Methods of calibrating color measurement devices

An embodiment of the invention provides a method of calibrating a color measurement device using a light source having a known color value. The color measurement device includes a light detector. The method includes: aligning the color measurement device and the light source so that the light source images on a center area of the light detector; deriving a detected color value for the light source based on the light detected by the center area when the light source images thereon; deriving a color calibration coefficient based on the detected color value and the known color value of the light source; and deriving a color and flat-field calibration array for the color measurement device by multiplying each entry of a flat-field calibration array of the color measurement device by the color calibration coefficient.

Light detection device and electronic apparatus

A light detection device includes a semiconductor substrate, a signal detection light receiving portion that is formed in the semiconductor substrate, an infrared light receiving portion that is formed in the semiconductor substrate, a first color filter that covers the signal detection light receiving portion and that has a first spectral characteristic such that the first color filter passes therethrough light in a first wavelength range within the wavelength range of visible light and in the wavelength range of infrared light, a second color filter that covers the infrared light receiving portion and that has a second spectral characteristic such that the second color filter passes therethrough light in a second wavelength range within the wavelength range of visible light and in the wavelength range of infrared light, a third color filter that covers the infrared light receiving portion and that has a third spectral characteristic such that the third color filter passes therethrough light in a third wavelength range different from the second wavelength range within the wavelength range of visible light and in the wavelength range of infrared light, and an infrared cut filter that covers the signal detection light receiving portion and that has an opening in a region opposite to the infrared light receiving portion.

Control of light-emitting diodes and sensors

A densitometer includes a plurality of light-emitting diodes (LEDs) and at least one sensor. The LEDs are activated one at a time in a sequential, repeatable order. Photonic energy from each LED is reflected off an entity and is incident upon the sensor(s). Circuitry samples or acquires signaling from the sensor(s) in accordance with the respective LED activations. Signaling from the densitometer can be used in controlling ink-jetting printers or other apparatus.

POLARIZATION PROPERTY IMAGE MEASUREMENT DEVICE, AND POLARIZATION PROPERTY IMAGE MEASUREMENT METHOD

A polarization property image measurement device includes: a first radiation unit that radiates light beams in different polarization conditions onto a target object after subjecting the light beams to intensity modulation at frequencies different from one another; a light receiving unit including first photoelectric conversion units that photoelectrically convert the light beams having been radiated from the first radiation unit and scattered at the target object in correspondence to each of the different polarization conditions, and second photoelectric conversion units that photoelectrically convert visible light from the target object; and a processor that detects signals individually output from the first photoelectric conversion units at the different frequencies and differentiates each signal from other signals so as to determine an origin of the signal as one of the light beams; and creates an image of the target object based upon signals individually output from the second photoelectric conversion units. 1. An image sensor , comprising:a light receiver that is disposed in a first substrate and receives light from a target object onto which a plurality of light beams having different conditions are radiated, the light receiver comprising a plurality of first photoelectric converters photoelectrically converting respective polarized light beams having different polarizations from one another; anda discriminating unit that is disposed in a second substrate deposited on the first substrate and differentiate, among signals output from the plurality of the first photoelectrically converters, each signal from other signals so as to determine an origin of the signal as one of the plurality of light beams.2. The image sensor according to claim 1 , further comprising:a first radiator that radiates the plurality of light beams onto the target object after subjecting the plurality of light beams to intensity modulation at frequencies different from one another, wherein ...

OPTICAL WAVELENGTH IDENTIFYING SYSTEM

An optical wavelength identifying system comprises an optical wavelength detecting device, a memory, a modulator, a comparison module, and an instruction module. The optical wavelength detecting device comprises a polarizer, a detecting element, a measuring device and a data processor. The polarizer is configured to transform an incident light into a polarized light. The detecting element is configured to form a temperature difference or a potential difference, wherein the detecting element comprises a carbon nanotube structure comprising a plurality of carbon nanotubes oriented along the same direction. The measuring device is electrically connected to the detecting element and configured to measure the temperature difference or the potential difference. The data processor is electrically connected to the measuring device and configured to obtain the optical wavelength by calculating and analyzing the temperature difference or the potential difference. 1. An optical wavelength identifying system , the system comprising: a polarizer configured to transform the incident light into a polarized light;', 'a detecting element configured to form a temperature difference or a potential difference between two points of the detecting element when exposed to the polarized light, wherein the detecting element comprises a carbon nanotube structure that comprises a plurality of carbon nanotubes oriented along a first direction, and angles between a polarizing direction of the polarized light and the first direction of the plurality of carbon nanotubes is adjustable;', 'a measuring device electrically connected to the detecting element and configured to measure the temperature difference or the potential difference;', 'a data processor electrically connected to the measuring device and configured to obtain the optical wavelength by calculating and analyzing the temperature difference or the potential difference;, 'an optical wavelength detecting device configured to detect an ...

PHOTODETECTOR AND ELECTRONIC APPARATUS

A photodetector includes a semiconductor substrate; a light receiving part for signal detection and an infrared light receiving part which are formed in the semiconductor substrate and are covered at least by first color filters having a common color; and second color filters which overlap with the first color filters on the infrared light receiving part and are configured to block light in a wavelength range transmitting through the first color filters. 1. A photodetector comprising:a semiconductor substrate;a first light receiving part located on the semiconductor substrate and covered by a first filter for a first color;a second light receiving part located on the semiconductor substrate adjacent to the first light receiving part and covered by the first filter for the first color;a third light receiving part located on the semiconductor substrate adjacent to the first light receiving part and covered by a second filter for a second color; anda fourth light receiving part located on the semiconductor substrate adjacent to the first light receiving part and covered by a third filter for the second color.2. The photodetector of claim 1 , further comprising a fifth light receiving part located on the semiconductor substrate adjacent to the first light receiving part and covered by a fourth filter for a third color.3. The photodetector of claim 2 , further comprising a sixth light receiving part located on the semiconductor substrate adjacent to the fifth light receiving part and covered by the fourth filter for the third color.4. The photodetector of claim 1 , further comprising a seventh light receiving part located on the semiconductor substrate adjacent to the fourth light receiving part and covered by the second filter for the second color.5. The photodetector of claim 1 , further comprising two additional light receiving parts located on the semiconductor substrate and being symmetrical with the first light receiving part and the second light receiving part ...

Polarization property image measurement device, and polarization property image measurement method

A polarization property image measurement device includes: a first radiation unit that radiates light beams in different polarization conditions onto a target object after subjecting the light beams to intensity modulation at frequencies different from one another; a light receiving unit including first photoelectric conversion units that photoelectrically convert the light beams having been radiated from the first radiation unit and scattered at the target object in correspondence to each of the different polarization conditions, and second photoelectric conversion units that photoelectrically convert visible light from the target object; and a processor that detects signals individually output from the first photoelectric conversion units at the different frequencies and differentiates each signal from other signals so as to determine an origin of the signal as one of the light beams; and creates an image of the target object based upon signals individually output from the second photoelectric conversion units.

Calibration procedure for a light-emitting diode light source

A lighting device, such a controllable light-emitting diode (LED) light source, may execute a self calibration procedure to compensate for changes to an optical system of the lighting device that may have occurred after an initial factory calibration procedure. The lighting device may include an emitter, a detector that generates a detector signal in response to detected light, a memory that stores a curve defining an optical compensation value with respect to a measured forward voltage of the detector, and a control circuit configured to receive a measured value of a luminous flux of the light emitted by the emitter that may be determined in response to the detector signal and based the optical compensation value. The control circuit may adjust the curve defining the optical compensation value in response to a difference between the measured value and an expected value of the luminous flux.

Method for detecting optical wavelength

An optical wavelength detecting device, the device including: a polarizer configured to transform an incident light into a polarized light; a detecting element configured to receive the polarized light and form a temperature difference or a potential difference between two points of the detecting element, wherein the detecting element includes a carbon nanotube structure including a plurality of carbon nanotubes oriented along the same direction, and angles between a polarizing direction of the polarized light and an oriented direction of the plurality of carbon nanotubes is adjustable; a measuring device electrically connected to the detecting element and configured to measure the temperature difference or the potential difference; a data processor electrically connected to the measuring device and configured to obtain the optical wavelength by calculating and analyzing the temperature difference or the potential difference.

Color image sensor and color signal processing circuit

Method for evaluating reproductivity of toning sample by CCM

Resolving apparatus

Spectrometer, and image evaluating unit and image forming device incorporating the same

一种光谱仪，包括将光束投射至目标物的光源；包括多个孔径的光学元件，其中被目标物反射的光束传输通过该孔径；用于从传输通过该光学元件的多个光束中形成衍射图像的衍射元件；和光接收元件，用于接收由衍射元件形成的衍射图像，且包括以遮蔽除了特定级数衍射图像以外的衍射图像的光学屏蔽。

Method for non-invasive monitoring of a fluorescent indicator agent with a labeled atom with diffusion reflection corrections

FIELD: medicine.SUBSTANCE: invention relates to medical equipment. A method of monitoring a time-varying fluorescent signal emitted from a fluorescent agent from within a medium with time-varying optical properties includes providing a set of measurement data, which includes a plurality of measurement records, which include at least two measurements received from the patient before and after the introduction of the fluorescent agent. Measurements may include one or more of the following:signal detected by unfiltered radiation detector during illumination by means of radiation with excitation wavelength from first area adjacent to diffusion reflecting medium;signal detected by filtered radiation detector during illumination by radiation with excitation wavelength; andsignal detected by unfiltered radiation detector during illumination by radiation with emission wavelength.EFFECT: disclosed is a method of monitoring a fluorescent signal varying in time.10 cl, 26 dwg, 4 tbl. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 721 652 C1 (51) МПК A61B 5/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК A61B 5/00 (2020.02) (21)(22) Заявка: 2019127176, 30.01.2018 (24) Дата начала отсчета срока действия патента: Дата регистрации: 21.05.2020 (73) Патентообладатель(и): МЕДИБИКОН ИНК. (US) (56) Список документов, цитированных в отчете о поиске: US 2013066116 A1, 03.01.2013. WO 2011089258 A2, 28.07.2011. RU 2475537 C2, 20.02.2013. 30.01.2017 US 62/452,025 (45) Опубликовано: 21.05.2020 Бюл. № 15 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 30.08.2019 (86) Заявка PCT: 2 7 2 1 6 5 2 (87) Публикация заявки PCT: WO 2018/140978 (02.08.2018) Адрес для переписки: 129090, Москва, ул. Б.Спасская, 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" (54) СПОСОБ НЕИНВАЗИВНОГО МОНИТОРИНГА ФЛУОРЕСЦЕНТНОГО ИНДИКАТОРНОГО АГЕНТА С МЕЧЕНЫМ АТОМОМ С КОРРЕКЦИЯМИ ДИФФУЗИОННОГО ОТРАЖЕНИЯ (57) Реферат: Изобретение ...

Spectrometer, and image evaluating unit and image forming device incorporating the same

A spectrometer includes a light source to project a light beam to a target object, an optical element including a plurality of apertures through which the light beam reflected by the target object transmits, a diffraction element to form diffracted images from a plurality of light beams having transmitted through the optical element, and a light receiving element to receive the diffracted images formed by the diffraction element and including an optical shield to block a diffracted image other than a certain-order diffracted image.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

시변 광 특성을 갖는 확산 반사 매질 내로부터 형광제로부터 방출된 시변 형광 신호를 모니터링하는 방법이 제공되고, 이는 형광제의 투여 전후에 환자로부터의 하나의 데이터 획득 시간에 획득된 적어도 두 개의 측정을 포함하는 복수의 측정 엔트리를 포함하는 측정 데이터 세트를 제공하는 단계를 포함한다. 상기 측정은 상기 확산 반사 매질에 인접한 제1 영역으로부터의 여기-파장 광에 의한 조명 동안, 필터링 되지 않은 광 검출기에 의해 검출된 DR ex 신호; 여기-파장 광에 의해 조명 동안, 필터링 된 광 검출기에 검출된 Flr 신호; 및 여기-파장 광에 의해 조명 동안, 필터링 되지 않은 광 검출기에 의해 검출된 DR em 신호; 중 적어도 하나를 포함할 수 있다. 이 방법은 측정 데이터 세트의 사후-제제 투여 부분을 식별하는 단계; 및 각 Flr 신호를 형광제에 의해서만 방출된 검출된 형광 강도를 나타내는 IF 신호로 변환하는 단계를 더 포함한다. A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a diffusely reflective medium having time-varying optical properties is provided, comprising at least two measurements obtained at one data acquisition time from a patient before and after administration of the fluorescent agent. and providing a measurement data set comprising a plurality of measurement entries. The measurements include: a DR ex signal detected by an unfiltered photodetector during illumination with excitation-wavelength light from a first region adjacent to the diffusely reflective medium; Flr signal detected by a filtered photodetector during illumination by excitation-wavelength light; and the DR em signal detected by the unfiltered photodetector during illumination by excitation-wavelength light; may include at least one of The method includes identifying a post-drug administration portion of a measurement data set; and converting each Flr signal into an IF signal representing the detected fluorescence intensity emitted only by the fluorescent agent.

Illumination apparatus and method for optimal vision

本發明揭露一種最佳視覺照明裝置，其包括一照明模組、一感測器模組及一計算模組。該照明模組用於產生複數個不同色溫之照明光，以依序照射一被照物。該感測器模組用於感測該被照物所反射之光。該計算模組用於算出每一色溫之照明光照射下之被照物的飽和度、彩度及亮度，以得到對應該些色溫之照明光的複數個喜好值，並控制該照明模組使其以具有該些喜好值中之最大值的對應色溫之照明光來進行照明。本發明進一步揭露一種最佳視覺照明方法。

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties is provided that includes providing a measurement data set that includes a plurality of measurement entries that include at least two measurements obtained from a patient before and after administration of the fluorescent agent. The measurements may include one or more of: aDRsignal detected by an unfiltered light detector during illumination by excitatory-wavelength light from first region adjacent to the diffuse reflecting medium; asignal detected by a filtered light detector during illumination by excitatory-wavelength light; and a Flr signal detected by the unfiltered light detector during illumination by emission-wavelength light. The method further includes identifying a post-agent administration portion of the measurement data set; and transforming each DRsignal to an signal representing a detected fluorescence intensity emitted solely by the fluorescent agent.

Radiation detector

A radiation detector is disclosed with a detector arrangement, which has a plurality of detector elements, by means of which a detector signal is obtained during operation of the radiation detector, and with a control device, wherein the detector elements each have a spectral sensitivity distribution, and are suited for generating signals, at least one detector element comprises a compound semiconductor material, and this detector element is designed for detecting radiation in the visible spectral region, the radiation detector is designed such that the sensitivity distributions of the detector elements are used to form different spectral sensitivity channels of the radiation detector, a channel signal assigned to the respective sensitivity channel can be generated in these sensitivity channels using the detector elements, and the control device is designed such that the contributions of different channel signals to the detector signal of the radiation detector are differently controlled.

Polarization property image measurement device, and polarization property image measurement method

A polarization property image measurement device includes: a first radiation unit that radiates light beams in different polarization conditions onto a target object after subjecting the light beams to intensity modulation at frequencies different from one another; a light receiving unit including first photoelectric conversion units that photoelectrically convert the light beams having been radiated from the first radiation unit and scattered at the target object in correspondence to each of the different polarization conditions, and second photoelectric conversion units that photoelectrically convert visible light from the target object; and a processor that detects signals individually output from the first photoelectric conversion units at the different frequencies and differentiates each signal from other signals so as to determine an origin of the signal as one of the light beams; and creates an image of the target object based upon signals individually output from the second photoelectric conversion units.

Colour-measuring arrangement

The invention relates to a colour-measuring arrangement having a plurality of optoelectronic transducers and upstream colour filters for obtaining electrical signals corresponding to colour contents in a light to be investigated. In order to be able to construct such a colour-measuring arrangement relatively simply, each optoelectronic transducer consists of a fluorescence plate (1, 2, 3) having a wide spectral sensitivity, and of a photodetector (6, 7, 8) mounted laterally on the fluorescence plate (1, 2, 3). The fluorescence plates (1, 2, 3) are combined with the interposition of colour filters (4, 5) to form a stack-like structure. <IMAGE>

Color matching filter for color measurement apparatus

A color matching filter for a color measuring apparatus is provided to be manufactured below a predetermined thickness by using a small number of commercialized color filters in comparison with a conventional color matching filter. A color matching filter for a color measuring apparatus includes a first color filter, a second color filter, a third color filter, a fourth color filter, and a fifth color filter. The first color filter is 2.67mm thick, the second color filter is 1.7mm thick, the third color filter is 4.7mm thick, the fourth color filter is 0.56mm thick, and the fifth color filter is 2.9mm thick. And, the color matching filter has a spectroscopic mismatching value below 3%.

Photocell array with multi-spectral filter

An optical thin film filter for the spatial and spectral separation of two or more transmitting bands of radiant energy. For a two band filter the filter has a substrate substantially transparent to radiant energy in the transmitted bands. On one surface of said substrate is a multilayer interference coating that transmits both wavelength bands of interest. On the other surface of said substrate (or on the same surface) are two sets of non-overlapping butted, parallel stripes with one set being alternately interspersed with the other. The widths of said stripes are varied to provide for precisely defined regions of spatial and spectral delineation. One set of stripes is capable of transmitting one of the bands of interest and reflecting all others, while the second set of stripes is capable of transmitting at least one band different from the one band transmitted by said first set of stripes and reflecting all others. Each of the stripes in itself is a multilayer interference coating formed of a plurality of high and low index of refraction materials.

Polarization sensitive image sensor

A device includes a first multi-element image sensor; a second multi-element image sensor; and a polarizing layer positioned between the first and second multi-element image sensors. A portion of light having a first polarization state incident on the device along a first direction is transmitted through the first image sensor, is transmitted through the polarizing layer, and is detected by the second image sensor, and light having a second polarization state orthogonal to the first polarization state incident on the device along the first direction is transmitted through the first image sensor, is blocked by the polarizing layer.

METHOD FOR NON-INVASIVE FLUORESCENT TRACER AGENT MONITORING WITH DIFFUSED REFLECTION CORRECTIONS

a presente invenção refere-se a um método para monitorar um sinal de fluorescência variável no tempo emitido de um agente fluorescente de dentro de um meio com propriedades ópticas variáveis no tempo que inclui fornecer um conjunto de dados de medida que inclui uma pluralidade de entradas de medida que inclui pelo menos duas medidas obtidas de um paciente antes e após a administração do agente fluorescente. as medidas podem incluir um ou mais dentre: um sinal drex detectado por um detector de luz não filtrada durante a iluminação pela luz de comprimento de onda excitória da primeira região adjacente ao meio refletor difuso; um sinal flr detectado por um detector de luz filtrada durante a iluminação pela luz de comprimento de onda excitória; e um sinal drem detectado pelo detector de luz não filtrada durante a iluminação pela luz de comprimento de onda por emissão. o método ainda inclui identificar uma porção de administração pós-agente do conjunto de dados de medida; e transformar cada sinal flr a um sinal if representando uma intensidade de fluorescência detectada emitida apenas pelo agente fluorescente. the present invention relates to a method for monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties that includes providing a measurement data set that includes a plurality of inputs measure that includes at least two measurements obtained from a patient before and after administration of the fluorescent agent. the measurements may include one or more of: a drex signal detected by an unfiltered light detector during illumination by the excitation wavelength light from the first region adjacent to the diffuse reflecting medium; a flr signal detected by a filtered light detector during illumination by the excitation wavelength light; and a drem signal detected by the unfiltered light detector during illumination by emission wavelength light. the method further includes identifying a ...

Utilize the non-intrusive monitoring method of the fluorescent tracer of diffusing reflection correction

提供了一种监测从来自具有时变光学性质的介质内的荧光剂发射的时变荧光信号的方法，该方法包括提供测量数据集，该测量数据集包括多个测量条目，该测量条目包括在施用荧光剂之前和之后从患者获得的至少两个测量值。测量值可以包括以下一个或多个：在由来自邻近漫反射介质的第一区域的激发波长光的照射期间由未滤波光检测器检测的DR ex 信号；在激发波长光的照射期间由滤波光检测器检测的Flr信号；以及在发射波长光的照射期间由未滤波光检测器检测的DR em 信号。该方法还包括识别测量数据集的后试剂施用部分；以及将每个Flr信号转换成表示仅由荧光剂发射的检测到的荧光强度的IF信号。

Luminance priority color sensor

(57)【要約】 輝度優先多層カラーフィルムにおいて、層の１つが人の眼の輝度感度にほぼ一致する。この輝度層は青感知層と、緑感知層と、赤感知層とを持つ先行技術のカラーフィルムとは異なる。この層は、他の層によって拡散および減衰させられる前に光を感知するために優先フロント位置を持ち、先行技術の青優先カラーフィルムと比較して感度と明瞭度とが高くされた輝度記録を与える。他の実施例では、層状ＣＣＤセンサが全ての色に感度を持つ１番上のシリコン層（１０１２）を持ち、それの後に黄色フィルタ（１０１０）が続き、その後に、黄色フィルタのためだけに緑色光と赤色光に応答する第２のシリコン層（１００８）と、シアンフィルタ（１０６）と、緑色光のみを受ける１番下のシリコン層（１００４）とを有する。輝度優先カラーセンサからの像が色空間変換に入力されて全部の色を回復する。好適な実施例では、１番上の輝度層が輝度「Ｔ」値にマップし、下側の色感知層が輝度とともに用いられてＹＵＶ色空間の「Ｕ」および「Ｖ」クロミナンスベクトルを得る。

Radiation detector with an adjustable spectral sensitivity

The invention specifies a radiation detector (1) having a detector arrangement (2), which has a plurality of detector elements (4, 5, 6) which are used to obtain a detector signal (DS) during operation of the radiation detector, and having a control apparatus (3), wherein the detector elements each have a spectral sensitivity distribution (400, 500, 600) and are suitable for generating signals (S4, S5, S6), at least one detector element contains a compound semiconductor material and this detector element is designed to detect radiation in the visible spectral range, the radiation detector is designed in such a manner that the sensitivity distributions of the detector elements are used to form different spectral sensitivity channels (420, 520, 620) of the radiation detector, a channel signal (K4, K5, K6) which is assigned to the respective sensitivity channel can be generated in the sensitivity channels using the detector elements, and the control apparatus is designed in such a manner that the contributions of different channel signals to the detector signal of the radiation detector are controlled differently.

Portable agtron number analyzer and method of analyzing agtron number

Provided are a portable Agtron number analyzer and a method of analyzing an Agtron number. According to an embodiment of the present invention, the method of analyzing an Agtron number comprises: a step (a) of obtaining training data for an R (Red) value by class based on captured images of coffee beans of which the Agtron numbers are known; a step (b) of determining class boundary values dividing each class based on the training data; a step (c) of obtaining R values of the coffee beans which are objects to be measured; and a step (d) of determining the Agtron numbers of the coffee beans by comparing the obtained R values of the coffee beans with the class boundary values. Therefore, the method of analyzing an Agtron number can accurately measure the Agtron numbers of the coffee beans without grinding coffee beans and have high accessibility by having a simple configuration and being conveniently used by everyone, thereby providing a better automated system and providing accurate expert-grade Agtron numbers of coffee beans for home baristas.

Optical sensing circuit and method for determining light color by using the same

一種光學感測電路，包括一電容、以及與電容電性連接之光感單元、補償單元、及開關元件。光感單元包括第一光感電晶體，用以感測第一顏色。補償單元包括第二光感電晶體，用以感測第二顏色。第二顏色與第一顏色之頻譜係不重疊。當光線照射時，光感單元產生第一電流，補償單元產生第二電流。第二電流係用以減少第一電流對電容進行充電或放電時之充電電流或放電電流的大小。於開關元件導通時，電容之電壓係被讀取，以判斷光線之顏色。第一光感電晶體之閘極或第二光感電晶體之閘極之電壓位準係為可調。

Color sensing method and device therefor

A method for sensing the color of incident light with a color sensing device, the color sensing device being a photoelectric device comprising an n-type or p-type amorphous silicon layer, being characterized in the following steps; measuring a first photocurrent of the photoelectric device generated by incident light when an electrical voltage having a predetermined parity is applied thereto; measuring a second photocurrent of the photoelectric device generated by the same incident light when another electrical voltage having a parity opposite to the predetermined parity is applied thereto, calculating the ratio of the first photocurrent to the second photocurrent; and identifying the color of incident light according to the ratio obtained. A color sensing device, comprising: two elements including an n-type or p-type amorphous silicon layer; an electric power source for applying a positive voltage and a negative voltage to the two elements at the same time, respectively; and a divider means for calculating a ratio of the two photocurrents which flows in each elements.

Image forming apparatus, image forming system, and image formation control program

An image forming apparatus includes: an image former that forms an image on a transfer paper sheet; a colorimeter that reads the image; a conveyor that conveys the transfer paper sheet in the image formation and the reading of the image; and a controller that controls the formation of the image, and the reading and the conveyance of the image, wherein when a first conveyance velocity is a velocity at which the transfer paper sheet is conveyed when the image is formed by the image former, a second conveyance velocity is a velocity that is lower than the first conveyance velocity, and a long paper sheet having a longer transfer sheet length than a predetermined threshold value is used as the transfer paper sheet in an adjustment mode, the controller controls the image former and the conveyor, and controls the colorimeter and the conveyor.

Pixel unit, imaging sensor and its manufacturing method and imaging device

本公开涉及一种图像传感器，包括像素阵列，其特征在于，所述像素阵列包括交替分布的第一像素单元和第二像素单元，第一像素单元包括：第一辐射感测元件，用于感测第一波长范围的辐射；和第二辐射感测元件，用于感测与第一波长范围不同的第二波长范围的辐射，其中，第一辐射感测元件与第二辐射感测元件分隔开。第二像素单元包括：第三辐射感测元件，用于感测第三波长范围的辐射，第三波长范围不同于第一波长范围和第二波长范围；和第四辐射感测元件，用于感测第二波长范围的辐射，其中，第三辐射感测元件与第四辐射感测元件分隔开。

Luminance-priority color sensor

In luminance-priority multilayer color film, one of the layers substantially matches the luminance sensitivity of the human eye. This luminance layer distinguishes from prior art color films that have a blue, a green, and a red sensitive layer. This luminance layer has the priority front position to sense light before being diffused and attenuated by other layers, giving the luminance record enhanced speed and clarity compared to prior art blue-priority color film. In another embodiment, a layered CCD sensor has a top silicon layer (1012) that is sensitive to all colors, followed by a yellow filter (1010), a second silicon layer (1008) responsive to green and red light only because of the yellow filter, a cyan filter (106), and a bottom silicon layer (1004) receiving only green light. An image from a luminance-priority color sensor inputs to a color space conversion to recover full color. In the preferred embodiment, a luminance layer on top maps to a luminance 'Y' value, and underlying color sensitive layers are used in conjunction with the luminance to derive the 'U' and 'V' chrominance vectors of YUV color space.

Polarization sensitive image sensor

A device includes a first multi-element image sensor; a second multi-element image sensor; and a polarizing layer positioned between the first and second multi-element image sensors. A portion of light having a first polarization state incident on the device along a first direction is transmitted through the first image sensor, is transmitted through the polarizing layer, and is detected by the second image sensor, and light having a second polarization state orthogonal to the first polarization state incident on the device along the first direction is transmitted through the first image sensor, is blocked by the polarizing layer.

Optical sensing circuit and method for determining light color by using the same

一種光學感測電路，包括一電容、以及與電容電性連接之光感單元、補償單元、及開關元件。光感單元包括第一光感電晶體，用以感測第一顏色。補償單元包括第二光感電晶體，用以感測第二顏色。第二顏色與第一顏色之頻譜係不重疊。當光線照射時，光感單元產生第一電流，補償單元產生第二電流。第二電流係用以減少第一電流對電容進行充電或放電時之充電電流或放電電流的大小。於開關元件導通時，電容之電壓係被讀取，以判斷光線之顏色。第一光感電晶體之閘極或第二光感電晶體之閘極之電壓位準係為可調。

Method for evaluating reproducibility of toning sample by ccm

Under the conditions that there are 2 or more samples produced in a CCM toning or visual toning process by which colors are adapted to the target color and respective components such as a coloring agent defining the sample color are registered in a CCM system, the reproducibility of the samples is evaluated based on the difference ΔR−n (n denotes a sample number) between spectral reflectance RST−n obtained by actually measuring the respective samples and spectral reflectance RPR−n obtained by the CCM simulation corresponding to the coloring agent recipe for the sample color at the same n, and determination whether toning work should be continued or not is rapidly and simply performed. On the other hand, when an abnormal sample is perceived, the difference ΔR′−b of the sample obtained from the specified equations is determined and, by comparison of the difference between the target color and a color of a toning sample in the color matching process, components such as a coloring agent mixed into the abnormal sample is presumed and its mixed amount is presumed.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflecting medium with time-varying optical properties

A method of assessment of renal function by monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a diffuse reflecting medium with time-varying optical properties is provided that includes using a renal monitoring system comprising at least one light source, at least one light detector, at least one optical filter, and at least one controller to provide a measurement data set comprising a plurality of measurement entries, each measurement data entry comprising at least two measurements obtained at one data acquisition time from a patient before and after administration of the fluorescent agent.

Luminance-priority color sensor

在亮度优先多层彩色胶片中,其中有一层是和人眼的亮度灵敏度基本上匹配的。这个亮度层和现有技术的具有蓝、绿、红感光层的那种彩色胶片不同。此亮度层有在其他层对光进行散射和衰减之前最优先感光的位置,和现有技术的蓝光优先的彩色胶片相比能得到更高的亮度记录速度和明晰度。在另一个实施例中,一种分层的CCD检测器有一个对所有颜色都灵敏的顶部的硅层(1012),下面接着是一个黄色滤光层(1010)、一个由于黄色滤光层而只对绿光和红光有响应的第二个硅层(1008)、一个青色滤光层(1006)、和一个只接收绿光的底部硅层(1004)。图像从亮度优先的彩色检测器输入到彩色空间转换装置以恢复完全彩色。在较好的实施例中,顶部的亮度层转换出亮度“Y”值,而下面的彩色感光层则和亮度一起被用于得出YUV彩色空间的色度矢量“U”和“V”。

Color discrimination method

Filter array, spectral detector including the filter array and spectrometer employing the spectral detector

필터 어레이와 이를 포함하는 분광 측정 소자 및 분광 측정 소자를 채용한 분광기에 관해 개시되어 있다. 개시된 필터 어레이는 복수의 필터 어레이를 포함하는 다중 배열 구조를 가질 수 있다. 상기 필터 어레이는 서로 다른 투과 스펙트럼을 나타내는 복수의 제1 필터가 어레이된 제1 필터 어레이 및 상기 제1 필터 어레이에 대향하는 것으로 서로 다른 투과 스펙트럼을 나타내는 복수의 제2 필터가 어레이된 제2 필터 어레이를 포함할 수 있다. 상기 복수의 제1 필터와 복수의 제2 필터 사이의 매치(match) 조합이 변경 가능할 수 있다. 개시된 분광 측정 소자는 상기 다중 배열 구조를 갖는 필터 어레이 및 이를 투과한 광을 감지하기 위한 센서부를 포함할 수 있다. Disclosed are a filter array, a spectroscopic measuring element including the same, and a spectrometer employing the spectroscopic measuring element. The disclosed filter array may have a multi-array structure comprising a plurality of filter arrays. The filter array includes a first filter array in which a plurality of first filters exhibiting different transmission spectra are arrayed, and a second filter array in which a plurality of second filters opposite the first filter array are arrayed and exhibiting different transmission spectra. may include A match combination between the plurality of first filters and the plurality of second filters may be changeable. The disclosed spectroscopic measurement device may include a filter array having the multi-array structure and a sensor unit for detecting light transmitted therethrough.

Photodetector and electronic apparatus

A photodetector includes a semiconductor substrate; a light receiving part for signal detection and an infrared light receiving part which are formed in the semiconductor substrate and are covered at least by first color filters having a common color; and second color filters which overlap with the first color filters on the infrared light receiving part and are configured to block light in a wavelength range transmitting through the first color filters.

radiation detector

Es wird ein Strahlungsdetektor (1) mit einer Detektoranordnung (2), die eine Mehrzahl von Detektorelementen (4, 5, 6) aufweist, mittels derer im Betrieb des Strahlungsdetektors ein Detektorsignal (DS) erhalten wird, und mit einer Regelungsvorrichtung (3) angegeben, wobei die Detektorelemente jeweils eine spektrale Empfindlichkeitsverteilung (400, 500, 600) aufweisen und zur Signalerzeugung (S<SUB>4</SUB>, S<SUB>5</SUB>, S<SUB>6</SUB>) geeignet sind, zumindest ein Detektorelement ein Verbindungshalbleitermaterial enthält und dieses Detektorelement zur Detektion von Strahlung im sichtbaren Spektralbereich ausgebildet ist, der Strahlungsdetektor derart ausgebildet ist, dass mittels der Empfindlichkeitsverteilungen der Detektorelemente verschiedene spektrale Empfindlichkeitskanäle (420, 520, 620) des Strahlungsdetektors gebildet sind, in den Empfindlichkeitskanälen mittels der Detektorelemente ein dem jeweiligen Empfindlichkeitskanal zugeordnetes Kanalsignal (K<SUB>4</SUB>, K<SUB>5</SUB>, K<SUB>6</SUB>) erzeugt werden kann, und die Regelungsvorrichtung derart ausgebildet ist, dass die Beiträge verschiedener Kanalsignale zum Detektorsignal des Strahlungsdetektors unterschiedlich geregelt sind. A radiation detector (1) is provided with a detector arrangement (2) which has a plurality of detector elements (4, 5, 6), by means of which a detector signal (DS) is obtained during operation of the radiation detector, and with a control device (3) in which the detector elements each have a spectral sensitivity distribution (400, 500, 600) and for signal generation (S <SUB> 4 </ SUB>, S <SUB> 5 </ SUB>, S <SUB> 6 </ SUB>) are suitable, at least one detector element contains a compound semiconductor material and this detector element is designed for the detection of radiation in the visible spectral range, the radiation detector is designed such that by means of the ...

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

A method of monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a medium with time-varying optical properties is provided that includes providing a measurement data set that includes a plurality of measurement entries that include at least two measurements obtained from a patient before and after administration of the fluorescent agent. The measurements may include one or more of: a DR ex signal detected by an unfiltered light detector during illumination by excitatory-wavelength light from first region adjacent to the diffuse reflecting medium; a Flr signal detected by a filtered light detector during illumination by excitatory-wavelength light; and a DR en, signal detected by the unfiltered light detector during illumination by emission-wavelength light. The method further includes identifying a post-agent administration portion of the measurement data set; and transforming each Flr signal to an IF signal representing a detected fluorescence intensity emitted solely by the fluorescent agent. (see Fig.13)

Filter array, spectral detector including the filter array and spectrometer employing the spectral detector

Provided are a filter array, a spectral detector including the filter array, and a spectrometer employing the spectral detector. The filter array may have a multi-array structure including a plurality of filter arrays. The filter array may include a first filter array having a first structure in which a plurality of first filters with different transmittance spectrums are arranged, and a second filter array having a second structure in which a plurality of second filters with different transmittance spectrums are arranged, the second filter array being arranged to at least partially overlap the first filter array at a first position relative to the first filter array so that the multi-arrangement type filter array has a first set of absorbance characteristics. The second filter array may be configurable to be arranged to at least partially overlap the first filter array at a second position relative to the first filter array so that the multi-arrangement type filter array has a second set of absorbance characteristics different from the first set of absorbance characteristics.

박막 디바이스를 이용하는 광 파장 스펙트럼의 재구축

분광계 디바이스는: 다수의 광 검출기 요소들을 포함하는 기판; 기판 상의 제1 필터 층 - 여기서 제1 필터 층은 필터 스택들의 다수의 그룹들을 포함하고, 제1 필터 층에서의 각각의 필터 스택은 교번 굴절률의 다수의 유전체 막들을 포함함 -; 및 제1 필터 층 상의 제2 필터 층 - 여기서 제2 필터 층은 필터 스택들의 다수의 그룹들을 포함하고, 제2 필터 층에서의 각각의 필터 스택은 교번 굴절률의 다수의 유전체 막들을 포함함 - 을 포함하고, 여기서 제2 필터 층에서의 각각의 필터 스택은 제1 필터 층에서의 대응하는 필터 스택과 대응하는 광 검출기 요소 양측 모두와 정렬되어 개개의 광검출기 채널을 규정하고, 여기서 각각의 광검출기 채널은 상이한 광학 투과 스펙트럼을 포함한다.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

Verfahren zur prüfung des farbübertragungsverhaltens von formzylindern

Die Erfindung betrifft ein Verfahren zur Prüfung des Farbübertragungsverhaltens von Formzylindern, bei dem für einen unbedruckten Abschnitt des Substrat mit einem ortsaufgelösten spektralen Messsystem an einer Vielzahl von Messpunkten eine spektral aufgelöste Referenzreflektanz gemessen wird, bei dem für einen vollbedruckten Abschnitt des Substrates eine spektral aufgelöste Volltonreflektanz gemessen wird, bei dem für die Messpunkte aus dem vollbedruckten Abschnitt aus der spektralen Verteilung der gemessenen Volltonreflektanz, der gemessenen Referenzreflektanz und einer die Druckfarbe repräsentierenden spektralen Gewichtsfunktion eine Volltonfarbdichte für die Druckfarbe berechnet wird, bei dem für zumindest einen Abschnitt des gedruckten Farbauszugs die spektral aufgelöste Reflektanz mit dem ortsaufgelösten spektralen Messsystem an einer Vielzahl von Messpunkten gemessen wird, bei dem für jeden Messpunkt aus der spektralen Verteilung der gemessenen Reflektanz, der gemessenen Referenzreflektanz und einer die Druckfarbe repräsentierenden spektralen Gewichtsfunktion eine Farbdichte für die Druckfarbe berechnet wird, bei dem aus den digitalen Zylinderdaten mindestens ein Farbdichteabschnitt des zu druckenden Farbauszugs mit innerhalb eines prozentualen Bereiches gleicher Farbdichte ermittelt wird, bei dem die gemessenen Farbdichten zu allen Messpunkten innerhalb des mindestens einen ermittelten Farbdichteabschnitts des Farbauszugs zusammengefasst werden und eine mittlere Farbdichte berechnet wird, bei dem die mittlere Farbdichte für die Farbdichteabschnitte des gedruckten Farbauszugs mit der Volltonfarbdichte verglichen und die Farbtonstufe als prozentualer Wert berechnet wird.

Image processing apparatus and image pickup apparatus

Provided is an image pickup apparatus including a multi-band pass filter that selectively transmits band light in a specific band, a color filter that transmits the band light in the specific band per pixel of an image pickup device, the image pickup device that receives light transmitted by the multi-band pass filter and the color filter, and a signal processing section to which a pixel value of the image pickup device is input and which executes a signal process on the pixel value. The multi-band pass filter is configured to selectively transmit band light corresponding to a plurality of color filter elements, and the signal processing section generates a pixel value corresponding to a band, of a pixel to be processed using a raw image base pixel value signal per pixel and a spectral characteristic parameter of the image pickup apparatus.

受光素子、検知システム

Calibration procedure for a light-emitting diode light source

A lighting device, such as a controllable light-emitting diode (LED) light source, may execute a self-calibration procedure to compensate for changes in an optical system of the lighting device that may have occurred after an initial factory calibration procedure. The lighting device may include an emitter, a detector that generates a detector signal in response to detected light, a memory that stores a curve defining an optical compensation value with respect to a measured forward voltage of the detector, and a control circuit configured to receive a measured value of a luminous flux of the light emitted by the emitter that may be determined in response to the detector signal and based on the optical compensation value. The control circuit may adjust the curve defining the optical compensation value in response to a difference between the measured value and an expected value of the luminous flux.

画像処理装置、撮像装置、および画像処理方法、並びにプログラム

Light-receiving element and detection system

A light-receiving element, comprising a plurality of photodiodes formed by stacking in this sequence, a lower reflection mirror, a resonator including a photoelectric conversion layer, and an upper reflection mirror on a semiconductor substrate, wherein the plurality of photodiodes share the semiconductor substrate and the lower reflection mirror, the plurality of photodiodes includes a first photodiode having a resonance wavelength λ1 and a second photodiode having a resonance wavelength λ2 that is larger than the resonance wavelength λ1, and a reflectance of the lower reflection mirror has a first peak corresponding to the resonance wavelength λ1 and a second peak corresponding to the resonance wavelength λ2.

Reconstructing light wavelength spectrum with thin-film device

A spectrometer device includes: a substrate including multiple light detector elements; a first filter layer on the substrate, in which the first filter layer includes multiple groups of filter stacks, each filter stack in the first filter layer including multiple dielectric films of alternating refractive index; and a second filter layer on the first filter layer, in which the second filter layer includes multiple groups of filter stacks, each filter stack in the second filter layer including multiple dielectric films of alternating refractive index, in which each filter stack in the second filter layer is aligned with both a corresponding filter stack in the first filter layer and a corresponding light detector element to define a respective photodetector channel, and in which each photodetector channel includes a different optical transmission spectrum.

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflection corrections

Method for non-invasive monitoring of fluorescent tracer agent with diffuse reflecting medium with time-varying optical properties

A method of assessment of renal function by monitoring a time-varying fluorescence signal emitted from a fluorescent agent from within a diffuse reflecting medium with time-varying optical properties is provided that includes using a renal monitoring system comprising at least one light source, at least one light detector, at least one optical filter, and at least one controller to provide a measurement data set comprising a plurality of measurement entries, each measurement data entry comprising at least two measurements obtained at one data acquisition time from a patient before and after administration of the fluorescent agent.

Metodo para monitoreo no invasivo de agente trazador fluorescente con correcciones de reflejo difuso.

Un método para monitorear una señal de fluorescencia de tiempo variable emitida de un agente fluorescente desde dentro de un medio con propiedades ópticas de tiempo variable se proporciona e incluye proporcionar un conjunto de datos de medición que incluye una pluralidad de entradas de medición que incluyen al menos dos mediciones obtenidas de un paciente antes y después de administración del agente fluorescente. Las mediciones pueden incluir uno o más de: una señal DRex detectada por un detector de luz no filtrado durante iluminación por luz de longitud de onda de excitación de la primera región adyacente al medio de reflejo difuso; una señal de Flr detectada por un detector de luz filtrado durante iluminación por luz de longitud de onda de excitación; y una señal DRem detectada por el detector de luz no filtrado durante iluminación por luz de longitud de onda de emisión. El método además incluye identificar una porción de administración de pos-agente del conjunto de datos de medición; y transformar cada señal de Flr a una señal IF que representa una intensidad de fluorescencia detectada emitida únicamente por el agente fluorescente.

画像形成装置、画像形成システム及びキャリブレーション方法

【課題】多種多様な記録媒体に対して印刷が行われる場合であっても、適切なキャリブレーションを実行可能とする。【解決手段】記録媒体に形成された濃度補正パターンから第１の色情報を生成するインラインセンサ４３０と、第１の色情報を第２の色情報に変換する色変換部４４０と、濃度補正パターンが形成された記録媒体の種別の濃度変換情報が記憶されていない場合、外部測色装置２００による濃度補正パターンの分光情報を取得する取得部３２５と、分光情報を濃度情報に変換する第１の濃度変換部３２６と、第２の色情報と濃度情報とを対応付けて、濃度補正パターンが形成された記録媒体の種別の濃度変換情報を生成する濃度変換情報生成部３２７と、濃度変換情報を用いて、第２の色情報を濃度情報に変換する第２の濃度変換部３２４と、濃度情報に基づいて、補正カーブ情報を生成する補正カーブ生成部３１３と、を備える。【選択図】図１

Farberfassungsanordnung und Korrekturverfahren unter Verwendung der Farberfassungsanordnung

Die vorliegende Erfindung stellt eine Farberfassungsanordnung (1) zum Bestimmen zumindest einer Farbe eines Objekts (O) und ein Korrekturverfahren zur Korrektur einer erfassten Helligkeit eines Objekts (1) unter Verwendung der erfindungsgemäßen Farberfassungsanordnung (1) bereit. Die Anordnung (1) weist eine gerichtete Lichtquelle (4), die auf das zu erkennende Objekt (O) gerichtet ist, eine Auswerteelektronik (5), und eine Farberfassungseinrichtung (10) mit zumindest drei Farberkennungssensoren (3) zur Aufnahme von Strahlung, die von dem Objekt (O) reflektiert wird, auf. Erfindungsgemäß ist jedem Farberkennungssensor (3) ein Trichter (2) als lichtleitendes Element vorgeordnet und zumindest einer der Farberkennungssensoren (3) ist als Abstandssensor (3', 3") verwendbar.

圖像感測器

本發明涉及一種圖像感測器，其包括：複數感光單元，所述複數感光單元呈陣列式獨立分佈，每個感光單元用於接受和轉換光線信號；一測量元件，用於測量每個感光單元的信號變化值；該感光單元包括一探測元件，一偏振片；所述探測元件包括一奈米碳管結構，該奈米碳管結構包括複數奈米碳管沿同一方向延伸，所述測量元件用於測量由於偏振光的照射在所述奈米碳管結構中產生的溫度差或電勢差；所述圖像感測器進一步包括一信號處理模組，該信號處理模組用於對該測量元件的測量值進行分析計算，得到光線的波長值。

Filter array, spectral detector including the filter array and spectrometer employing the spectral detector

Provided are a filter array, a spectral detector including the filter array, and a spectrometer employing the spectral detector. The filter array may have a multi-array structure including a plurality of filter arrays. The filter array may include a first filter array having a first structure in which a plurality of first filters with different transmittance spectrums are arranged, and a second filter array having a second structure in which a plurality of second filters with different transmittance spectrums are arranged, the second filter array being arranged to at least partially overlap the first filter array at a first position relative to the first filter array so that the multi-arrangement type filter array has a first set of absorbance characteristics. The second filter array may be configurable to be arranged to at least partially overlap the first filter array at a second position relative to the first filter array so that the multi-arrangement type filter array has a second set of absorbance characteristics different from the first set of absorbance characteristics.

Umgebungslichtdetektoren mit herkömmlichem CMOS-Bildsensorprozess

Lichtdetektor zum Detektieren spezifischer Wellenlängen des Lichtes, umfassend: einen ersten Sensor, der Komplementär-Metalloxid-Halbleiter-(CMOS-)-Fotozellen aufweist, die mit einer farbigen Filterschicht einer ersten Farbe bedeckt sind, welche eine erste Durchlässigkeit hat, die das Hindurchtreten sowohl von Licht der spezifischen Wellenlängen als auch von auch Licht anderer Wellenlängen zulässt, einen zweiten Sensor, der weitere CMOS-Fotozellen aufweist, von denen wenigstens einige sowohl mit einer farbigen Filterschicht der ersten Farbe als auch mit einer farbigen Filterschicht einer zweiten Farbe bedeckt sind, die in beliebiger Reihenfolge übereinander gestapelt sind, wobei die farbige Filterschicht der zweiten Farbe eine zweite Durchlässigkeit hat, die das Hindurchtreten von Licht der anderen Wellenlängen zulässt, wobei der erste Sensor einen ersten Fotostrom erzeugt und der zweite Sensor einen zweiten Fotostrom erzeugt, wenn Licht, das sowohl die spezifischen als auch andere Wellenlängen aufweist, auf den Detektor fällt; und wobei ein Differenz-Fotostrom, der durch Bestimmung einer Differenz zwischen den ersten...

光学フィルタ

【課題】光学フィルタ層の剥離を抑制できる光学フィルタを提供すること。 【解決手段】本発明の光学フィルタ２は、配列した複数のセンサ画素１２ａを含むイメージセンサ１２上にあり、長尺の透光性基板４、これに積層される第１光学フィルタ層６、及びこれに積層される第２光学フィルタ層８を含む。透光性基板４は、センサ画素１２ａの配列方向Ｘに長尺でイメージセンサ１２上にある受光部４ａと、これを囲む枠部４ｂを含む。受光部４ａは、その長手方向の一方側の透光領域４１ａ、その長手方向において透光領域４１ａに隣接する第１フィルタ領域４２ａ、及びその長手方向において第１フィルタ領域４１ａに隣接し且つ第１フィルタ領域４２ａを挟み透光領域４１ａと逆側の第２フィルタ領域４３ａを含む。第１光学フィルタ層６は、第１、２フィルタ領域４２ａ、４３ａ及び枠部４ｂを覆い、第２光学フィルタ層８は、第２フィルタ領域４３ａ及び枠部４ｂを覆う。 【選択図】図１

Dispositivo fotosensore integrato su semiconduttore e relativo processo di fabbricazione

Infrared pixel sensor and infrared signal correction.

반도체 측정 장치 및 반도체 측정 방법

반도체 측정 장치 및 반도체 측정 방법을 제공한다. 측정 대상의 광 발광 유도를 위한 제 1 광원부를 제공하고, 측정 대상의 두께 측정을 위한 제 2 광원부를 제공하고, 제 1 광원부의 유도에 의하여 측정 대상에서 방출되는 광 발광 및 제 2 광원부로부터 측정 대상으로 입사된 빛의 반사광을 측정하는 스펙트로미터를 제공하고, 제 2 광원부는 상기 제 1 광원부의 유도에 의해 상기 대상에서 발광되는 빛의 파장 보다 긴 파장의 연속 스펙트럼을 갖는 빛을 방사한다. 발광 소자, 광 발광, 두께, 스펙트로미터

Image processing apparatus, image pickup apparatus, and program

Provided is an image pickup apparatus including a multi-band pass filter that selectively transmits band light in a specific band, a color filter that transmits the band light in the specific band per pixel of an image pickup device, the image pickup device that receives light transmitted by the multi-band pass filter and the color filter, and a signal processing section to which a pixel value of the image pickup device is input and which executes a signal process on the pixel value. The multi-band pass filter is configured to selectively transmit band light corresponding to a plurality of color filter elements, and the signal processing section generates a pixel value corresponding to a band, of a pixel to be processed using a raw image base pixel value signal per pixel and a spectral characteristic parameter of the image pickup apparatus.

Light-receiving element and detection system

A light-receiving element, comprising a plurality of photodiodes formed by stacking in this sequence, a lower reflection mirror, a resonator including a photoelectric conversion layer, and an upper reflection mirror on a semiconductor substrate, wherein the plurality of photodiodes share the semiconductor substrate and the lower reflection mirror, the plurality of photodiodes includes a first photodiode having a resonance wavelength λ1 and a second photodiode having a resonance wavelength λ2 that is larger than the resonance wavelength λ1, and a reflectance of the lower reflection mirror has a first peak corresponding to the resonance wavelength λ1 and a second peak corresponding to the resonance wavelength λ2.

受光素子、検知システム

【課題】同一基板上に形成された複数のフォトダイオードを有し、波長が大きく異なる２波長の光に感度ピークを有する受光素子を提供する。【解決手段】受光素子１は、半導体基板１０００に対して、下部反射鏡１００１、光電変換層１００３を含んだ共振器部１０１０および１０２０、上部反射鏡１００２がこの順に積層されることによって形成された複数のフォトダイオード１０１及び１０２を有し、複数のフォトダイオードにおける、半導体基板および下部反射鏡は共通化されており、複数のフォトダイオードは、共振波長λ１を有する第１のフォトダイオード１０１と、共振波長λ１よりも大きい共振波長λ２を有する第２のフォトダイオード１０２とを含み、下部反射鏡の反射率は、共振波長λ１に対応した第１のピークと、共振波長λ２に対応した第２のピークを有している。【選択図】図２

光センサおよび電子機器

디스플레이 패널의 열화 평가 장치 및 방법

본 발명은 디스플레이 패널의 무라와 같은 열화 상태를 평가하기 위한 디스플레이 패널의 열화 평가 장치 및 방법을 개시한다. 상기한 디스플레이 패널의 열화 평가 방법은 목표 계조 레벨을 갖는 기준 프레임에 대한 제1 히스토그램 분포 벡터와 목표 계조 레벨에 대응하여 디스플레이 패널에 표시되는 평가 프레임에 대한 제2 히스토그램 분포 벡터를 이용하여 상호 정보량(Mutual Information)을 생성하고, 상호 정보량에 대한 정규화된 상호 정보량(Normalized Mutual Information)을 생성하며, 평가 프레임의 픽셀들의 계조 분포에 대한 인지적 특성을 반영하는 가중치를 제공하고, 정규화된 상호 정보량과 가중치를 곱셈한 평가값을 출력함에 의해 구현될 수 있다.

Optical sensor and electronic device

An optical sensor includes a light receiving unit and a calculating unit. The light receiving unit includes a plurality of light receiving elements and a plurality of color filters. The plurality of light receiving elements include a first light receiving element and a second light receiving element through which a photocurrent flows when receiving light. The plurality of color filters include a yellow filter that covers a light receiving surface of the first light receiving element and a red filter that covers a light receiving surface of the second light receiving element. The calculating unit calculates an intensity of a yellow wavelength band based on a difference between a first output signal obtained from the photocurrent of the first light receiving element and a second output signal obtained from the photocurrent of the second light receiving element.

图像处理装置、图像拾取装置、方法以及程序

提供了一种图像拾取装置，其包括：选择性地透射特定波带中的波带光的多带通滤波器；按图像拾取器件的像素透射特定波带中的波带光的滤色器；接收由多带通滤波器和滤色器透射的光的所述图像拾取器件；以及信号处理部件，向信号处理部件输入图像拾取器件的像素值，并且信号处理部件对像素值执行信号处理。多带通滤波器被配置成选择性地透射与多个滤色器元件相对应的波带光，以及信号处理部件利用每像素的原始图像基本像素值信号和图像拾取装置的谱特性参数，生成要处理的像素的与波带相对应的像素值。

分光フィルタ、ならびにそれを含むイメージセンサ、及び電子装置

【課題】分光フィルタ、ならびにそれを含むイメージセンサ、及び電子装置を提供する。【解決手段】分光フィルタ、及びそれを含むイメージセンサ、並びにその電子装置に係り、該分光フィルタは、第１金属反射層と、第１金属反射層の上部に設けられる第２金属反射層と、第１金属反射層と前記第２金属反射層との間に設けられるものであり、互いに異なる中心波長に対応する第１パターンを含む複数のキャビティと、第１金属反射層の下部に設けられるものであり、中心波長に対応する第２パターンを含む複数の下部パターン膜と、を含む。【選択図】図２

光谱滤光器、包括光谱滤光器的图像传感器和电子设备

提供了一种光谱滤光器以及包括该光谱滤光器的图像传感器和电子设备。光谱滤光器包括：第一金属反射层；第二金属反射层，设置在第一金属反射层的上方；多个空腔，设置在第一金属反射层与第二金属反射层之间，该多个空腔包括与不同中心波长相对应的第一图案；以及多个下图案膜，设置在第一金属反射层的下方，该多个下图案膜包括与不同中心波长相对应的第二图案。

インクタンク、インク測定システムおよびインク測定方法

【課題】インクの色または成分を正確に測定できるインクタンク、インク測定システムおよびインク測定方法を提供する。【解決手段】インクカートリッジ７は、インクを収容するタンク本体７１と、タンク本体７１の少なくとも一部を構成して光を透過させる透明部材７２と、タンク本体７１の内部で透明部材７２に対向する位置に設置され、透明部材７２との間にインクの流入空間７５を形成する基準板７３と、を備える。【選択図】図２

光センサ、光センサの出力回路、受光素子のバイアス電圧の調整方法

【課題】検出精度の高い光センサ、光センサの出力回路、受光素子のバイアス電圧の調整方法を提供する。【解決手段】光センサは、第１入力端子３１ａ、第２入力端子３１ｂ、及び出力端子３１ｃを有する増幅器３１と、第１入力端子３１ａに対して接続されるものであって、フォトダイオードＰＤ１を有する第１受光素子１１Ｙと、第２入力端子３１ｂに対して基準電圧を印加する基準電圧印加部３２と、第１受光素子１１Ｙに対して、基準電圧とは異なるバイアス電圧ＶＢＹを印加するバイアス電圧印加部と、を備える。【選択図】図６

Optical Sensor and Electronic Apparatus

The subject of the present disclosure is to enhance spectral characteristics.The present disclosure relates to an optical sensor and an electronic apparatus. The optical sensor includes: multiple optical receivers, multiple color filters covering light receiving surfaces of the multiple optical receivers, and a multi-layer filter layered on the multiple color filters. The multiple color filters include a red color filter, a green color filter and a blue color filter. The multi-layer filter includes a first transmission wavelength region allowing transmission of a portion of the transmission wavelength regions of the green color filter and the blue color filter, and a second transmission wavelength region allowing transmission of a portion of the transmission wavelength region of the red color filter.

다중 회전식 분광기

회전식 분광기는 복수의 입력 포트를 포함한다. 각각의 입력 포트는 전자기 방사를 운반하는 광학 도파관을 수납하도록 배열될 수 있다. 분광기는 각각의 광학 대역 통과 필터가 각각의 입력 포트와 정렬될 수 있도록 모터의 제어 하에서 회전하는 제1 본체 상에 수용된 복수의 광학 대역 통과 필터를 또한 포함한다. 더욱이, 분광기는 제1 본체와 함께 회전하는 제2 본체 상에 배치된 복수의 검출기 회로를 포함한다. 각각의 검출기 회로는 복수의 광학 대역 통과 필터들 중 하나에 광전 결합되고, 이에 의해 각각의 검출기 회로가 그가 광전 결합된 대역 통과 필터에 의해 결정된 파장의 범위에 전적으로 응답하게 한다. 분광기, 전자기 방사, 대역 통과 필터, 검출기 회로, 입력 포트

Dispositivo fotosensore integrato su semiconduttore e relativo process o di fabbricazione

Monitoring procedure for quality monitoring of measurement spectra

A monitoring procedure for monitoring the quality of measurement spectra of a liquid medium continuously determined with a spectrometric sensor, which spectra in each case reproduce spectral values in a specified measurement wavelength range, is described with which: for each measurement spectrum, a quality parameter of the respective measurement spectrum is determined in each case based upon at least one characteristic value calculated in each case based upon the spectral values of the respective measurement spectrum, wherein each characteristic value for each measurement spectrum is determined in each case based upon the spectral values of the respective measurement spectrum in a range, specified for the respective characteristic value, of the measurement wavelength range, and, based upon the quality parameters, those measurement spectra which have spectral values that are impaired by a disturbance are identified as outliers.

Camera using photosensitive device

An camera, the camera including: an photosensitive device and an image processor, wherein the photosensitive device includes a plurality of photosensitive units, a measuring device and a data processor; the plurality of photosensitive units are distributed in an array, wherein each photosensitive unit is configured to receive and convert light signal to form a temperature difference or a potential difference; the measuring device is configured to measure the temperature difference or the potential difference; a data processor is configured to analyze and calculate the potential difference or the temperature difference.

光学滤波器

本发明涉及一种光学滤波器(2)，其位于包含排列的多个传感器像素(12a)的图像传感器(12)上，并包含长板状的透光性基板(4)、层叠在透光性基板上的第1光学滤波层(6)、以及层叠在第1光学滤波层上的第2光学滤波层(8)。透光性基板(4)包含，在传感器像素(12a)的排列方向(X)上较长且位于图像传感器(12)上的受光部(4a)，和包围它的框部(4b)。受光部(4a)具有：位于受光部的长度方向上的一侧的透光区域(41a)、在受光部的长度方向上与透光区域(41a)邻接的第1滤波区域(42a)、和在受光部的长度方向上与第1滤波区域(42a)邻接且夹着第1滤波区域(42a)而位于与透光区域(41a)相反的一侧的第2滤波区域(43a)。第1光学滤波层(6)覆盖第1、2滤波区域(42a、43a)以及框部(4b)，第2光学滤波层(8)覆盖第2滤波区域(43a)和框部(4b)。

Optical filter

An optical filter 2 is disposed on an image sensor 12 including a plurality of sensor pixels 12 a which are aligned, and includes a elongated translucent substrate 4; a first optical filter layer 6 laminated on the translucent substrate 4, and a second optical filter layer 8 laminated on the first optical filter layer 6. The translucent substrate 4 includes a photodetecting part 4 a which is long in the alignment direction X of the sensor pixels 12 a and disposed on the image sensor 12; and a frame part 4 b surrounding the photodetecting part 4 a. The photodetecting part 4 a includes a light transmitting region 41 a on one side in the longitudinal direction of the photodetecting part 4 a; a first filter region 42 a adjacent to the light transmitting region 41 a in the longitudinal direction of the photodetecting part 4 a, and a second filter region 43 a which is adjacent to the first filter region 42 a in the longitudinal direction of the photodetecting part 4 a and disposed on the side opposite to the light transmitting region 41 a across the first filter region 42 a. The first optical filter layer 6 covers the first and second filter regions 42 a and 43 a and the frame part 4 b, and the second optical filter layer 8 covers the second filter region 43 a and the frame part 4 b.

光学フィルタ

光学フィルタ２は、配列した複数のセンサ画素１２ａを含むイメージセンサ１２上にあり、長尺の透光性基板４、これに積層される第１光学フィルタ層６、及びこれに積層される第２光学フィルタ層８を含む。透光性基板４は、センサ画素１２ａの配列方向Ｘに長尺でイメージセンサ１２上にある受光部４ａと、これを囲む枠部４ｂを含む。受光部４ａは、その長手方向の一方側の透光領域４１ａ、その長手方向において透光領域４１ａに隣接する第１フィルタ領域４２ａ、及びその長手方向において第１フィルタ領域４２ａに隣接し且つ第１フィルタ領域４２ａを挟み透光領域４１ａと逆側の第２フィルタ領域４３ａを含む。第１光学フィルタ層６は、第１、２フィルタ領域４２ａ、４３ａ及び枠部４ｂを覆い、第２光学フィルタ層８は、第２フィルタ領域４３ａ及び枠部４ｂを覆う。

ビーム検出器

【課題】所要面積が小さく、また簡単且つ廉価に製造することができる、可視スペクトル領域にあるビームを検出するための効率的で小型のビーム検出器を提供する。 【解決手段】第１の検出素子において形成される信号が第２の検出素子において形成される信号とは別個に取り出され、第１の検出素子は可視ビームに対して部分的に透過性であり、第１の検出素子を通過した可視ビームは第２の検出素子において信号を形成する。 【選択図】図１

Infrared pixel sensor and infrared signal correction

An infrared pixel sensor comprising a pixel and a composite infrared pass filter (item marked: IR (R+B)) comprising a plurality of filters, wherein each filter belonging to the plurality of filters is substantially transparent to infrared radiation and has a visible pass spectrum so that the composite infrared pass filter is substantially opaque to visible light. Signals from infrared pixel sensors are subtracted from color pixel sensors (items marked: R, G, B) to correct for infrared radiation in the image signal without the need for an infrared blocking filter.

光传感器及电子设备

本发明的课题在于提高分光特性。本发明涉及一种光传感器及电子设备。光传感器具备：多个受光元件(42)；多个彩色滤波器(60)，覆盖多个受光元件(42)的受光面；及多层膜滤波器(16)，积层在多个彩色滤波器(60)上。多个彩色滤波器(60)具有红色滤波器(61R)、绿色滤波器(61G)及蓝色滤波器。多层膜滤波器(16)包含：第1透过波段，能够使绿色滤波器(61G)及蓝色滤波器的透过波段的一部分透过；及第2透过波段，能够使红色滤波器(61R)的透过波段的一部分透过。

Ambient light detectors using conventional CMOS image sensor process

Apparatus and method for evaluating degradation of display panel and display driver using degradation evaluation value

Disclosed are an apparatus and method for evaluating the degradation of a display panel, for evaluating a degradation state of a display panel, such as mura. The method of evaluating the degradation of a display panel may be implemented by generating mutual information by using a first histogram distribution vector of a reference frame having a target grayscale level and a second histogram distribution vector of an evaluation frame displayed on a display panel in response to the target grayscale level, generating normalized mutual information of the mutual information, providing a weight into which a cognitive characteristic of a distribution of grayscales of pixels of the evaluation frame is incorporated, and outputting an evaluation value obtained by multiplying the normalized mutual information and the weight.

評估顯示面板劣化的裝置和方法及使用其的顯示驅動器

本申請公開了用於評估顯示面板的劣化、用於評估顯示面板的諸如不均勻的劣化狀態的裝置和方法。評估顯示面板的劣化的方法可以通過以下步驟來實施：通過使用具有目標灰階的參考幀的第一柱狀圖分佈向量和響應於目標灰階而顯示在顯示面板上的評估幀的第二柱狀圖分佈向量來生成互訊息；生成互訊息的正歸化互訊息；提供併入有評估幀的像素的灰階分佈的認知性特徵的權重；以及輸出通過將正歸化互訊息與權重相乘而獲得的評估值。

墨水盒、墨水測定系統及墨水測定方法

本發明之課題在於提供一種可正確地測定墨水之顏色或成分之墨水盒、墨水測定系統及墨水測定方法。 本發明之墨水匣7具備：盒本體71，其收容墨水；透明構件72，其構成盒本體71之至少一部分並使光透過；及基準板73，其設置於盒本體71之內部且與上述透明構件72對向之位置，且於與透明構件72之間形成墨水之流入空間75。

잉크 탱크, 잉크 측정 시스템 및 잉크 측정 방법

잉크의 색 또는 성분을 정확히 측정할 수 있는 잉크 탱크, 잉크 측정 시스템 및 잉크 측정 방법을 제공한다. 잉크 카트리지(7)는, 잉크를 수용하는 탱크 본체(71)와, 탱크 본체(71)의 적어도 일부를 구성하고 광을 투과시키는 투명 부재(72)와, 탱크 본체(71)의 내부에서 투명 부재(72)에 대향하는 위치에 설치되어, 투명 부재(72)와의 사이에 잉크의 유입 공간(75)을 형성하는 기준판(73)을 구비한다.

Farberfassungsanordnung und korrekturverfahren unter verwendung der farberfassungsanordnung

Die vorliegende Erfindung stellt eine Farberfassungsanordnung (1) zum Bestimmen zumindest einer Farbe eines Objekts (O) und ein Korrekturverfahren zur Korrektur einer erfassten Helligkeit eines Objekts (1) unter Verwendung der erfindungsgemäßen Farberfassungsanordnung (1) bereit. Die Anordnung (1) weist eine gerichtete Lichtquelle (4), die auf das zu erkennende Objekt (O) gerichtet ist, eine Auswerteelektronik (5), und eine Farberfassungseinrichtung (10) mit zumindest drei Farberkennungssensoren (3) zur Aufnahme von Strahlung, die von dem Objekt (O) reflektiert wird, auf. Erfindungsgemäß ist jedem Farberkennungssensor (3) ein Trichter (2) als lichtleitendes Element vorgeordnet und zumindest einer der Farberkennungssensoren (3) ist als Abstandssensor (3', 3") verwendbar.

Color Capture Arrangement and Correction Method Using the Color Capture Arrangement

A color capture arrangement and a method for correcting a captured brightness of an object are disclosed. In an embodiment the color capture arrangement includes a directed light source configured to direct light towards the object to be identified, evaluation electronics and a color capture device including at least three color identification sensors configured to receiving radiation reflected by the object and funnels as light-guiding elements, wherein each funnel is disposed upstream of a color identification sensor, and wherein at least one of the color identification sensors is a distance sensor.

Color measurement device and color measurement method

To press a medium using an appropriate pressing force and perform colorimetric measurement, a color measurement device for performing colorimetric measurement of a print pattern printed on a medium, the color measurement device comprising a pressing member for pressing the medium; a power source for outputting power for the pressing member to press the medium; a detecting part for detecting a pressing force on the medium; a color measurement section for performing colorimetric measurement of the print pattern; and a control part for controlling the power source so that the pressing force detected by the detecting part is equal to a predetermined pressing force, and for causing the color measurement section to perform colorimetric measurement of the print pattern printed on the medium pressed by the pressing member.

Strahlungsdetektor

Es wird ein Strahlungsdetektor mit einer Mehrzahl von Detektorelementen (1,2,3) angegeben, die jeweils einen zum Strahlungsempfang und zur Signalerzeugung vorgesehenen aktiven Bereich (14,24,34) aufweisen, wobei die Detektorelemente monolithisch in einen Halbleiterkörper (5) des Strahlungsdetektors integriert sind, ein in einem ersten Detektorelement zu erzeugendes Signal getrennt von einem in einem zweiten Detektorelement zu erzeugenden Signal abgreifbar ist und mindestens einer der aktiven Bereiche zum Strahlungsempfang im sichtbaren Spektralbereich ausgebildet ist.

用于激光投影机的三基色光源控制与颜色测量系统

本发明公开一种激光投影机的三基色光源控制与颜色测量系统，具有投影机主控器，所述投影机主控器通过PWMs脉冲或SPI总线控制激光光源驱动器，激光光源驱动器控制连接红绿蓝激光器，颜色采集器连接MCU控制模块，MCU控制模块输出连接投影机主控器；通过硬件结构及采用特定的单片机控制程序流程、单次颜色采集程序流程以及颜色采集系统需要多次测量求取平均值来进行白平衡校对，根据图像显示需要的颜色，驱动红绿蓝激光器工作，实现红绿蓝激光器的交替或同时工作，使颜色、光源的合理匹配，投影效果达到最佳。

測色装置、及び、測色方法

【課題】適切な押圧力で媒体を押圧し測色を行うこと。 【解決手段】媒体に印刷された印刷パターンを測色する測色装置であって、前記媒体を押圧する押圧部材と、前記押圧部材が前記媒体を押圧する動力を出力する動力源と、前記媒体の押圧力を検出する検出部と、前記印刷パターンを測色する測色部と、前記検出部が検出した押圧力が所定の押圧力となるように前記動力源を制御し、前記押圧部材に押圧された前記媒体に印刷された前記印刷パターンを前記測色部に測色させる制御部と、を備える測色装置。 【選択図】図１０