Method for correcting image sensor

The invention discloses a method for correcting an image sensor, which comprises the following steps: correcting a brightness amplification factor used by the image sensor when the image sensor is started; and truncating at least one picture frame (but not all) from a plurality of picture frames predetermined for image processing in unit time whenever a fixed cycle is finished after the start of the image sensor, and correcting the brightness amplification factor according to the truncated picture frame. The method precludes the possibility that the screen of an optical touch panel is obscured by an object in advance to keep parameter values used by the image sensor accurate by running correction programs in the starting process, and continuously keeps the accuracy of the brightness amplification factor on the premise of not affecting the display quality of the screen.

Single machine scanning apparatus and single machine scanning method

The invention discloses a single computer scanning device and a scanning method; the device consists of a shell which consists of an inlet and an outlet, a paper advance mechanism, a scanning component, a memory module; and a processing module; when enters the shell from the inlet and a start command is received by the single computer scanning device, the object begins to be transported by the paper advance mechanism through the inlet, and begins to be scanned by the scanning component to generate scanning image data; when the object is transported to the outlet, the scanning component stops scanning; wherein, the scanning image data are analyzed by the processing module, and are processed by the processing module based on the analysis result to generate image adjustment data which are stored in the memory module. The single computer scanning device and the scanning method have the advantages of capacity of being executed by a single computer, a small volume, simple operation; the processed ...

Copy method of outputting images by using multiple sources

The method comprises: using the built-in memory to save the data and the information about the juncture portion; in the process of making multi copies for one file after the first copy, the pre-saved data is combined with other image data being scanned so as to reduce the repeated scan time; outputting the combined data; for the image data already saved in the memory and the image data being scanned, the information about the juncture portion pre-saved in the memory is confirmed in order to get the output of overall image.

Image processing device and method for controlling motor system thereof

The present invention provides method for image processing device and its control motor system. The image processing device comprises a first module; a motor system drives the first module to move; motor system comprises: a motor; a drive circuit to drive control motor; multiple groups of load circuits; and a group power source for motor and its drive circuit; a selector is used to select a group load circuit from multiple groups as load of motor system; and a controller to control the velocity of first module drove by motor. The method to control motor is to select a group load circuit as motor's load to control power supplied to motor system.

Single machine scanning apparatus and single machine scanning method

A single machine scanner and a single machine scanning method; wherein, the single machine scanner includes a shell composed of an intake and an exit; a paper feeding structure arrranged in the shell, which is used for sending a object to the place between the intake and the exit; and a scanning component for scanning the object; wherein, when the object enters the shell and the single machine scanner receives a startup command, the paper feeding structure sends the object with the first speed to the exit of the first position and the scanning component scans the object, when the object arrives at the second position, the paper feeding structure starts to send the object to the intake, so that the scanning component can scan the object with the second speed. The invention also provides the single machine scanning method which can be used for direct processing of scanned images and can be used for storing to a storage device, featuring convenient carrying and operation, supporting multiple ...

Method for calibrating sensing brightness of image sensor

The invention provides a method for calibrating the sensing brightness of an image sensor. In the method, after the image sensor in an optical touch panel is subject to a whitening program to calibrate the sensing brightness, the brightness distribution after whitening is multiplied by a brightness multiplying factor, and the brightness distribution after whitening is calibrated to be approximateor equal to a datum brightness to ensure that the brightness distribution after whitening can not be disturbed by external factors and have an error. By adopting the method, the phenomenon of non-uniform brightness caused by larger brightness distribution gap generated in the detection range of the image sensor can be solved.

Apparatus and method for performing plasma polishing continuously to and reducing surface roughness of bundled stain steel wires

The invention discloses an apparatus and a method for performing plasma polishing continuously to and reducing a surface roughness of bundled stain steel wires. The apparatus comprises: a liquid tank, a to-be-polished metal wire and a wire reeling and releasing apparatus. The wire reeling and releasing apparatus comprises a releasing end and a reeling end, which are respectively arranged on two outer ends of the liquid tank. A front end of the to-be-polished metal wire is jointed to an insulating front conductive wire and is connected to the reeling end and a back end of the to-be-polished metal wire is jointed to an insulating back conductive wire. By means of the insulating front conductive wire arranged in the liquid tank under an electrified situation, a bare stain steel wire, when passes through both a plasma polishing solution at a negative electrode and through a conductive wheel at a positive electrode, can maintain an insulating and loop-free status until the bare stain steel wire ...

Ink-ribbon positioning system for color series printing machine

The color-belt locating system includes light source, sensor and discriminating device; the discriminating device discriminates dye region and the position of color frame of dye region according to the sensitized voltage produced by the sensor, and produce corrosponding location signal, said color sequence printer also includes a hot printing head and control circuit, the light ray of predetermined color emitted from light source possesses different penetration rate to different color frame of the dye region, so that the sensor produces different sensing voltage, the discriminating device based on the different sensitized voltage of different color frame to discriminate the positions of the dye regions of color belt and the different color frames of said dye region.

Communication device dialing by using nonnumeric numbers

The invention discloses a communication device dialing by using nonnumeric numbers, comprising a dialing region which also has an input function of nonnumeric characters except ordinarily used for dialing as numeric numbers. When a user end inputs a telephone number group of nonnumeric characters in the dialing region of an input module of the communication device, a transferring module of the communication device can transfer the telephone number group of nonnumeric characters to a CO end, the CO end establishes communication connection or other treatments for both sides according to the received telephone number group of the nonnumeric characters, and a display module and the receiving module of the communication device can execute or display a treatment result returned by the CO end. Communication of a user and the CO end is not limited in numbers any longer, the CO end can provide more diversified services therefrom, and the user only needs to input commands of request, inquire, order ...

Method for calibrating sensing brightness of image sensor

The invention provides a method for calibrating the sensing brightness of an image sensor. In the method, after the image sensor in an optical touch panel is subject to a whitening program to calibrate the sensing brightness, the brightness distribution after whitening is multiplied by a brightness multiplying factor, and the brightness distribution after whitening is calibrated to be approximate or equal to a datum brightness to ensure that the brightness distribution after whitening can not be disturbed by external factors and have an error. By adopting the method, the phenomenon of non-uniform brightness caused by larger brightness distribution gap generated in the detection range of the image sensor can be solved.

Single machine scanning apparatus and single machine scanning method

A single machine scanner and a single machine scanning method; wherein, the single machine scanner includes a shell composed of an intake and an exit; a paper feeding structure arrranged in the shell, which is used for sending a object to the place between the intake and the exit; and a scanning component for scanning the object; wherein, when the object enters the shell and the single machine scanner receives a startup command, the paper feeding structure sends the object with the first speed to the exit of the first position and the scanning component scans the object, when the object arrives at the second position, the paper feeding structure starts to send the object to the intake, so that the scanning component can scan the object with the second speed. The invention also provides the single machine scanning method which can be used for direct processing of scanned images and can be used for storing to a storage device, featuring convenient carrying and operation, supporting multiple ...

Correcting device and method and ink jet printer with correcter

The present invention relates to correcting device and method and ink jet printer with the correcting device. Based on the coder characteristics, such as nonuniformity in period, phase offset, assembling error and other imperfectness, different correcting circuit is selected based on the first and the second phase signals the coder outputs to control the speed and position of motor in ink jet printer. The correcting device includes the first circuit coupled with the first and the second phase signals to generate the first processing signal comprising the first and the second pulse signals; the second circuit coupled with one of the first and the second phase signals to generate the second processing signal; the third circuit coupled with one of the first and the second phase signals to generate the third processing signal; and one selector to select the first, the second or the third processing signal based on the first processing signal to control the motor speed or detect the printing ...

Method for judging touch position of optic touch screen

The invention relates to a method for judging a touch position of an optic touch screen. The method comprises the steps of: generating a first real point image to an indicating area acquired image by using a first pickup unit, generating a second real point image to the indicating area acquired image by using a second pickup unit, wherein the first and second real points generate a plurality of candidate areas corresponding to the indicating area, choosing a frame to-be-detected area from the candidate areas, generating a characteristic of the acquired image from an acquired touch input pointin the to-be-detected area, and judging if the to-be-detected area is one of the plurality of touch input points according to the characteristic of the acquired image. The invention is applied to judging the touch position of the optic touch screen.

Method and system for detection of representative area of automatic quasi object type image

The invention discloses a method and a system for detection of a representative area of an automatic quasi object type image. The method comprises the following steps: obtaining feature points through analyzing features of signals in an image, automatically estimating a quasi object through grouping according to the relationship of plane coordinates of the feature points, and automatically detecting the most representative area in the whole image through further exploring information on the quasi object. The invention can be applied in image retrieval and search, image compression, image minimization, image tagging and the like for a large amount of image information on the international network.

Generalized code communication system

The invention provides a generalized code communication system. The generalized code communication system uses a generalized code communication number formed by characters, figures, signs or mixture thereof as multimedia public communication service of caller identification (Caller ID). A caller can directly dial mutual generalized code communication numbers by utilizing generalized code client end communication equipment to carry out voice, characters, short messages, images, music, multimedia or other communication applications, a generalized code can be transmitted to the generalized code communication system by the voice, characters, short messages, images, two-dimensional bar codes, QR (Quick Response) code or other data ways by using a common mobile phone or telephone, and the generalized code communication system establishes communication connection for two parties. The generalized code communication system of the invention can identify other codes besides the figures, the dialing ...

3D printer

The invention provides a 3D printer. The 3D printer comprises a containing groove, a forming platform, a light source, an image capturing module group and a processing unit, wherein the containing groove is used for containing a light-cured liquid; the forming platform is arranged in a manner of moving relative to the containing groove; the light source is arranged relative to the forming platform, and is used for emitting light to irradiate the light-cured liquid in the process that the forming platform moves relative to the containing groove so as to form a light-cured article on the forming platform; the image capturing module group is arranged at the periphery of the containing groove and used for capturing a liquid level containing the light-cured liquid and an image of the side edge of the containing groove; the processing unit is electrically connected with the forming platform, the light source and the image capturing module group; the processing unit is used for analyzing the image ...

Strip-like light source used in optical touch system

The invention relates to a strip-like light source used in an optical touch system. The optical touch system is provided with indication space, wherein the indication space is provided with a first plane direction. The strip-like light source comprises a strip-like circuit board, a plurality of light emitting components and a light guide component, wherein the strip-like circuit board provides circuits, is provided with a second plane direction and is arranged on the edge of the indication space; the second plane direction is parallel to the first plane direction; the plurality of light emitting components are arranged along the extension direction of the strip-like circuit board and are jointed on the circuits of the strip-like circuit board; the light guide component is arranged on or above the plurality of light emitting components; each light emitting component is driven by the strip-like circuit board to emit light toward the light guide component; and the light is guided by the light ...

Ink-ribbon positioning system for color series printing machine

Object sensing system and control method thereof

The invention discloses an object sensing system and a control method thereof. The object sensing system comprises an indication plane, a first image sensing unit and a plurality of light-emitting units and processing units. The indication plane is used for the object to indicate a position. The first image sensing unit is arranged at a first corner of the indication plane. The plurality of light-emitting units are arranged around the indication plane. Each light-emitting unit corresponds to at least one of the plurality of working hours, each working hour is respectively provided with at least one exposure time, and each exposure time respectively corresponds to at least one of the light-emitting units. The processing units are electrically connected with the first image sensing unit and the light-emitting units. The processing units control the light-emitting units to emit light according to each exposure time and control the first image sensing unit to sense the first image concerning ...