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.

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.

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 ...

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.

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。

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.

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。

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.

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.

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.

Color discrimination method

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 ...

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.

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。

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.

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

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.

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.

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

评估显示面板劣化的装置和方法及使用劣化评估值的显示驱动器

本申请公开了用于评估显示面板的劣化、用于评估显示面板的诸如不均匀的劣化状态的装置和方法。评估显示面板的劣化的方法可以通过以下步骤来实施：通过使用具有目标灰度级的参考帧的第一柱状图分布矢量和响应于目标灰度级而显示在显示面板上的评估帧的第二柱状图分布矢量来生成互信息；生成互信息的归一化互信息；提供并入有评估帧的像素的灰度级分布的认知性特征的权重；以及输出通过将归一化互信息与权重相乘而获得的评估值。

염료배합비율 검출 장치 및 방법

본 발명은 염료배합비율 검출 장치 및 방법에 관한 것으로, 염료배합비율 검출 장치는 염료별 농도별 CCM(Computer Color Matching) 측색 데이터를 저장하는 저장부; 및 인공지능 모델을 기반으로 저장부에 저장된 염료별 농도별 CCM 측색 데이터를 흡광도 데이터로 변환하고 바이어 오더의 흡광도 그래프와 일치하는 염료배합비율을 검출하는 프로세서를 포함하는 것을 특징으로 한다.

光学感测电路与应用其的判断光线颜色的方法

一种光学感测电路，包括一电容、一与电容电性连接的光敏单元、一补偿单元、及一开关元件。光敏单元包括第一光敏晶体管，用以感测第一颜色。补偿单元包括第二光敏晶体管，用以感测第二颜色。第二颜色与第一颜色的频谱不重叠。当光线照射时，光敏单元产生第一电流，补偿单元产生第二电流。第二电流用以降低第一电流对电容进行充电或放电时的充电电流或放电电流的大小。于开关元件导通时，电容的电压被读取，以判断光线的颜色。第一光敏晶体管的栅极或第二光敏晶体管的栅极的电压电位为可调。

識別特定波長的感測器

本發明涉及一種用於識別特定波長的感測器，包括：一光波長分析器，用於接收入射的光線信號；一記憶體；以及一調製器；其中，該光波長分析器包括一光波長檢測器和一信號處理模組，該光波長檢測器包括一探測元件，一測量裝置；該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，該光線信號入射至該奈米碳管結構的部份表面，該測量裝置用於測量所述奈米碳管結構的電勢差或溫度差；該信號處理模組用於對測量值進行分析計算，並將計算得到的信號資料與記憶體中初始信號資料作對比，並根據對比結果發送工作指令。

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.

油墨容器、油墨测量系统及油墨测量方法

提供能够正确测量油墨的颜色或成分的油墨容器、油墨测量系统及油墨测量方法。油墨盒(7)具备：容器主体(71)，容纳油墨；透明构件(72)，构成容器主体(71)的至少一部分并透射光；以及基准板(73)，设置在容器主体(71)的内部与透明构件(72)相对的位置上，并且在基准板(73)与透明构件(72)之间形成油墨的流入空间(75)。

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.