Abstract: Systems, devices, and techniques related to selecting a key frame for burst image processing are discussed. Such techniques may include generating key frame scores for at least some frames of a multi-frame burst image capture such that the key frame scores include a combination of an image quality component, a shutter lag component, and a burst image processing latency component and selecting a frame having a maximum key frame score as the key frame.

Abstract: The present invention relates to a fault detection circuit for detecting one or more column faults in a pixel array of an image sensor. The present invention further relates to a readout circuit for reading out a column line of an image sensor, and to an image sensor comprising the same. The fault detection circuit according to the invention comprises a signal unit for applying an electrical signal to a given column line of the pixel array, a determining unit for measuring a response to the applied electrical signal and for determining whether a fault exists for said given column line in dependence of the measured response, and a controller for controlling the signal unit and the determining unit, and for outputting a fault status for said given column line.

Abstract: Systems and methods for automatic camera calibration without using a robotic actuator or similar hardware. An electronic display screen projects an image of a simulated three-dimensional calibration pattern, such as a checkerboard, oriented in a particular pose. The camera captures an image of the calibration pattern that is displayed on the screen, and this image together with the transform of the simulated three-dimensional calibration pattern are used to calibrate the camera. Multiple different pictures of different poses are employed to determine the optimal set of poses that produces the lowest reprojection error. To aid in selecting different poses, i.e., spatial positions and orientations of the simulated three-dimensional calibration pattern, poses may be selected from only that portion of the camera's field of view which is expected to be typically used in operation of the camera.

Abstract: Embodiments of the invention are directed to systems, methods, and devices for testing the security of a facial recognition system (FRS). A target image depicting a target person enrolled in the FRS and a tester image depicting a tester may be obtained. A plurality of transformed images may be generated from an image of the target person or the tester image. A processed tester image (e.g., one that is likely to cause the FRS to misclassify) may be identified using the plurality of transformed images, the tester image, and the target image. Data representing a light pattern can be generated using the processed tester image and the light pattern can be projected onto a second person. Another image may be captured of the second person with the light pattern as projected. This image may be provided to the FRS and a remedial action may be performed based on the corresponding output.

Abstract: A luminance calibration system and method of mobile device display for medical images is provided, and allows a mobile device display to display the medical images complying with grayscale standard display function (GSDF) defined by Digital Imaging and Communications in Medicine (DICOM) under any environmental light sources; for example, the medical images displayed by the mobile device display can meet a Just-Noticeable Difference (JND) defined by DICOM to facilitate medical diagnosis for medical staffs. In addition, the luminance calibration system and method of mobile device display for medical images only adjusts the medical images inside the operating window of the mobile device display, while any image outside the operating window of the mobile device display is reserved; as a result, the luminance calibration system and method of mobile device display for medical images makes the mobile device display to be a medical image screen as well as a regular screen.

Abstract: An imaging device having first and second pixels is described. The first pixel includes a first transfer transistor, a first reset transistor, a first amplifier transistor and a first select transistor. The second pixel includes a first photoelectric conversion element, a second transfer transistor, a second reset transistor, a second amplifier transistor and a second select transistor.

Abstract: A method for the estimation of trace amounts of Bisphenol A (BPA) in accordance with the present invention comprises reacting a sample containing BPA with a filter paper strip soaked in ferric agent(s), using an image processing software for measuring the mean Red, Green, and Blue (RGB) values, and calculating the amount of BPA using the algorithm in an open-source machine learning and data mining tool.

Abstract: A vehicle entertainment system is for use with wireless headphones, with each wireless headphone being operable via a respective paired wireless connection. The vehicle entertainment system may include video entertainment displays for a vehicle, and a controller for the vehicle. The controller may be configured to establish respective paired wireless connections with the wireless headphones, and provide selectable access to a plurality of different audio/video (A/V) entertainment content streams. Each of the A/V entertainment content streams may include a respective video entertainment stream and an associated audio entertainment stream. The controller may be further configured to send selected video entertainment content streams for viewing at the video entertainment displays, and send selected audio entertainment content streams over the respective paired wireless connections for hearing at the wireless headphones.

Abstract: In various embodiments, a data optimization application mitigates scoring inaccuracies in subjective quality experiments. In operation, the data optimization application generates a model that includes a first set of individual scores and a first set of parameters. The first set of parameters includes a first subjective score set and a first set of subjective factor sets. The data optimization application performs one or more optimization operations on the first set of parameters to generate a second set of parameters. The second set of parameters includes a second subjective score set and a second set of subjective factor sets, wherein the second subjective score set compensates for at least a first subjective factor set included in the second set of subjective factor sets. The data optimization application also computes a participant evaluation report based on at least a second subjective factor sets included in the second set of subjective factor sets.

Abstract: A projection positioning system and a projection positioning method thereof are provided. A projection device projects a first test image and a second test image on a projection screen based on a projection range at different time points. At least one photosensitive element is disposed on the projection screen. In response to projecting the first test image, a computing device divides a first image sub-zone of the first test image according to the first image sub-zone corresponding to one of first optical parameters sensed by the photosensitive element, to generate the second test image. In response to projecting the second test image, the computing device determines positioning information of the photosensitive element with respect to the projection range according to a second image sub-zone corresponding to one of second optical parameters sensed by the photosensitive element. The projection device performs a projection adjustment function according to the positioning information.

Abstract: A system, method, and non-transitory computer-readable medium are provided for creating a freeform field of view mask for a camera in a vehicle to increase the field of view of the camera during operation of the vehicle. The camera captures an image of a portion of the vehicle in front of a calibration screen. A processor includes logic that applies a blurring filter to the captured image to create a blurred image, determines a freeform boundary of a field of view of the camera in the blurred image, creates a field of view mask based on the freeform boundary; and applies the field of view mask to the camera for maximizing the field of view of the camera during operation of the vehicle.

Abstract: A processing system may obtain a downscaled version of a reference copy of a video, comprising a plurality of downscaled versions of a plurality of frames of the reference copy of the video, obtain a first recorded frame of a first variant of a plurality of variants associated with the reference copy of the video, where the plurality of variants comprises a plurality of copies of the video encoded at different bitrates, generate a first downscaled version of the first recorded frame, calculate a first plurality of image distances between the first downscaled version of the first recorded frame and the plurality of downscaled versions of the plurality of frames of the reference copy of the video, and determine a first frame index of the first recorded frame in accordance with a first least image distance from among the first plurality of image distances that is calculated.

Abstract: A display device includes a display panel having a first emission region and one or more second emission regions disposed adjacent to the first emission region. The display device includes a plurality of light emitters, arranged in the first emission region, corresponding to a first color gamut and a plurality of light emitters, arranged in the one or more second emission regions, corresponding to a second color gamut that is distinct from the first color gamut. A method for making a display device with a plurality of light emitters corresponding to a first color gamut in a first emission region and a plurality of light emitters corresponding to a second color gamut in a second emission region is also described.

Abstract: A method for determining the magnitude of leakage in a subscriber's premises CATV installation; a frequency multiplexer for coupling between an antenna and a receiver for the multiplexed frequencies; and, a method for a technician to certify a CATV subscriber's premises for the provision of CATV services are disclosed.

Abstract: A color-calibration system is provided, which includes a host, a reference display apparatus, and a display apparatus. The host calculates peak-intensity change rates relative to different gain values for blue, green, and red colors using a first spectrum and second spectrum of a first display panel of the reference display apparatus respectively in a first display mode and a second display mode. The host calculates peak-intensity ratios for blue, green, and red colors using the first spectrum and a third spectrum of the first display panel in a predetermined color-temperature display mode. The host calculates blue/green/red gains of a second display panel of the display apparatus using a fourth spectrum of the second display panel in the first display mode, the peak-intensity change rates, and peak-intensity ratios, so that the first display panel and the second display panel display a consistent color in the same predetermined color-temperature display mode.

Abstract: A display device includes a display panel having a first emission region and one or more second emission regions disposed adjacent to the first emission region. The display device includes a plurality of light emitters, arranged in the first emission region, corresponding to a first color gamut and a plurality of light emitters, arranged in the one or more second emission regions, corresponding to a second color gamut that is distinct from the first color gamut. A method for making a display device with a plurality of light emitters corresponding to a first color gamut in a first emission region and a plurality of light emitters corresponding to a second color gamut in a second emission region is also described.

Abstract: Disclosed are an image calibration method and an image calibration apparatus. The image calibration method is adapted to the image calibration apparatus. The image calibration method includes: step (A): capturing an input image having a calibration pattern, wherein the calibration pattern includes at least one frame and an analysis block, the analysis block is surrounded by the frame, and the analysis block includes a plurality of characteristic patterns separated from each other; step (B): determining whether at least one frame is within the input image; step (C): capturing the analysis block when the at least one frame is within the input image; and step (D): executing one of a displacement calibration, a scaling ratio, a rotation calibration, a keystone calibration or a combination thereof for the input image according to positions of the characteristic patterns within the analysis block to generate an output image.

Abstract: A method for determining the magnitude of leakage in a subscriber's premises CATV installation; a frequency multiplexer for coupling between an antenna and a receiver for the multiplexed frequencies; and, a method for a technician to certify a CATV subscriber's premises for the provision of CATV services are disclosed.

Abstract: In a generation system, while a mark image including a prescribed mark is displayed on the display screen of a display panel, a capturing device captures a plurality of partial images in which a portion of the display screen is seen and generates capture data of each of the plurality of partial images. A correction data generation device specifies, for each of the plurality of partial images captured by the capturing device, an object area in the partial image on the basis of the mark included in the partial image. The correction data generation device extracts, for each of the plurality of partial images, an object portion that corresponds to the object area from the capture data of the partial images, and synthesizes a plurality of extracted object portions, thereby generating screen image data that corresponds to the capture data of the entire display screen.

Abstract: A projection device having a signal input unit, an image signal generating unit, an image adjustment unit, a control unit and a projection unit is provided. The signal input unit receives an external signal. The image signal generating unit generates an image signal. The image adjustment unit generates image adjustment gridlines according to the signal source. The control unit detects the signal input unit, and when the signal input unit does not receive the external signal, the control unit controls the image signal generating unit to generate the image signal to serve as the signal source. The projection unit projects the signal source and the image adjustment gridlines onto a projection plane. The projection device and the method for generating adjustment gridlines of the invention are still capable of generating the image adjustment gridlines in case that an input signal source does not exist.

Abstract: Embodiments of the present application disclose a method and a device of detecting a low voltage differential signal output to a liquid crystal display panel. In the method, the low voltage differential signal is decoded into a pixel color data signal; and then blanking signals of the pixel color data signal are counted.

Abstract: In one or more embodiments, one or more systems, methods, and/or processes may receive, via a light sensor, multiple light transmissions from an information handling system, the multiple light transmissions including multiple light sequences, where at least one light sequence of the multiple light sequences includes at least two different colors; may determine respective multiple colors of the multiple light transmissions; may determine the multiple color sequences from the multiple colors; may determine information represented by the multiple color sequences based at least on content and ordering of the multiple color sequences; and may provide the information to a service entity via a network.

Abstract: Systems and methods are provided for logging tests of electronic devices, which are performed on the electronic devices by a measurement and/or testing device. While logging the test messaged and any other messages generated by the measurement and/or testing device during the test, a video is recorded of the respective electronic device and timely synchronized with the log of the test.

Abstract: A method for detecting printing nozzle errors in an inkjet printing machine provides a high degree of robustness in the detection of errors by printing a nozzle test pattern in the inkjet printing machine. The test pattern is then digitalized by using a camera and transmitted to a computer for evaluation. There, the recorded test pattern is investigated by using methods of digital image processing, such as a Fourier analysis, and evaluated in the frequency range with regard to specific anticipated printing nozzle errors. Specific printing nozzle errors can be detected especially on the basis of amplitude, phase and variance errors in the signal in the frequency range. Moreover, by using the phase error, it is possible to evaluate whether the two print heads are disposed in an incorrect adjustment position relative to one another by calculating displacements of the phase error in transition regions of two print heads.

Abstract: A projector, a projecting system and a transmission delay detection method thereof are provided. The projector includes an image processor and a delay calculator. The image processor, in a test mode, receives a first test image signal through an input end during a first time period, generates a first processed image signal through an output end, receives a second test image signal through the input end during a second time period, and generates a second processed image signal through the output end. The delay calculator detects a first time point at which the input end of the image processor receiving the first test image signal and a second time point at which a signal on the output end of the signal processor to translate from the first processed image signal to the second processed signal, and generates a first transmission delay according to the first and second time points.

Abstract: A method and apparatus that tests video quality includes a superimposing of at least one code to a video that is to be transmitted by a communication device to another communication device. The at least one code is transmitted such that the superimposed at least one code is extractable and readable from the decoded video by the device that receives the transmitted video. The extracted at least one code may then be read to determine the quality level of the transmitted video. The determination of quality for the received video may be based upon one or more tests performed using at least one code extracted from the received video.

Abstract: An adaptive display calibration system includes a display, a photodetector configured to capture light emitted by the display, and a set-top box connected to the display and the photodetector. The set-top box includes processing circuitry configured to transmit one or more test patterns to the display, and receive one or more measurements of the display from the photodetector in response to the test patterns. Additionally, the processing circuitry of the set-top box determines a capability of the display based on the measurements received from the photodetector and programs the set-top box based on the capability of the display.

Abstract: The present invention relates to an image output device having an image quality adjustment function. A method for controlling a mobile terminal so as to control the image quality of a plurality of image output devices according to an embodiment of the present invention comprises the steps of: generating a preview image on the basis of images corresponding to the plurality of image output devices, received through a camera, and extracting image quality information of the plurality of image output devices using the images corresponding to the plurality of image output devices, included in the preview image; and transmitting the extracted image quality information or image quality correction data corresponding to the image quality information to at least one image output device, the image quality of which is to be adjusted, among the plurality of image output devices.

Abstract: Image display system 10 comprises: a plurality of display devices 111; an image processing unit for receiving input of a plurality of input video signals and generating an output video signal for each display device in accordance with a layout for the display devices from the input video signals; a pattern signal generation unit for generating pattern signals indicating a plurality of different test pattern images; a selector for receiving input of the output video signals and the pattern signals and selecting and outputting either the output video signals or the pattern signals; imaging device 120 for capturing an image of the test pattern images displayed on the respective display devices; and a control device 140 for analyzing the captured image captured by the imaging device and generating control information for controlling the image processing unit, based on analysis results.

Abstract: Non-disruptive sweep measurements using low power coherent signals overcome the limitations of prior art frequency response systems for cable networks. Modulated or unmodulated, e.g. continuous wave (CW), test signals are transmitted into the network at a first or input point (input point is in the head end for forward sweep; input point is in the field for reverse sweep). The test signals are transmitted continuously at multiple frequencies, so as a composite they form a wideband, OFDM-like (orthogonal frequency-division multiplexing) waveform. A receiver at a second or output point generates power reading measurements, from which the frequency response of the network is produced.

Abstract: The disclosure relates to the field of electronic devices and particularly to a method and device for adjusting a projected image so as to adjust the problem of time-consuming and inaccurate manual adjustment of the image in the existing method for adjusting a projected image. The method according to an embodiment of the disclosure includes: transmitting, by a projection device, to each zone in a projection range, positional information corresponding to the zone; receiving, by the projection device, position identifiers, transmitted by recognition devices located in space round a projection screen, the position identifiers determined by the recognition devices according to the positional information transmitted by the projection device; and adjusting, by the projection device, the projection range according to the position identifiers transmitted by the recognition devices.

Abstract: The present invention provides a testing system for a video and audio reproduction system, the testing system comprising a data source, comprising video and audio data for reproduction by the video and audio reproduction system, the video and audio data comprising unique marks in every video frame and every audio frame, a recording unit, configured to record a video stream and an audio stream generated by the video and audio reproduction system based on the video and audio data, and a test processor, configured to extract the unique marks from the recorded video stream and the recorded audio stream, and to verify if respective unique marks of simultaneous video frames and audio frames have been recorded by the recording unit simultaneously. Furthermore, the present invention provides a testing method, a computer program product, and a non-transitory computer readable data carrier.

Abstract: An apparatus for processing a video, a method of driving the apparatus for processing the video, and a computer readable recording medium are provided. The apparatus includes a storage unit configured to store a plurality of set values corresponding to at least one factor used for a quality measurement of a communication signal line, and a controller configured to transmit a plurality of test signals respectively corresponding to the plurality of set values to a signal receiver connected to the communication signal line and receive a plurality of regression signals respectively corresponding to the plurality of transmitted test signals from the signal receiver. The controller determines a set value of the factor based on the plurality of received regression signals and transmits a signal to the signal receiver based on the determined set value of the factor.

Abstract: An image processing part includes an edge enhancing part, an artifact detecting part and a compensating part. The edge enhancing part emphasizes an edge portion of an object in input image data. The artifact detecting part detects a corner outlier artifact at an area adjacent to the edge portion of the object. The compensating part compensates the corner outlier artifact. Accordingly, the edge portion of the object may be enhanced and the corner outlier artifact is decreased so that the display quality may be improved.

Abstract: The systems and methods discussed herein are directed to presence detection of portable devices of audience measurement panel members, and include a first audience measurement device in proximity to a media device, and a second audience measurement device in the form of a remote control for controlling the media device. The second audience measurement device may receive broadcast identification codes from the portable device of a panel member, and may transmit indicators of received signal strength to the first audience measurement device. The first audience measurement device may similar measure received broadcast signal strength from the portable device, and compare the local measurement and remote measurement to thresholds to determine whether the panel member's portable device is likely in proximity, and thus that the panel member is likely consuming media from the media device.

Abstract: Embodiments of the invention are directed to a system for generating video test pattern signals from definitions contained in a text-based definition file. The definition file allows the user to create generic definitions for test signals that can be interpreted to create test signals in a variety of formats, raster sizes, color spaces, sample structures, frame modes, and bit depths. A parametric generator uses one or more engines to then generate the desired test pattern from the definition file.

Abstract: Test patterns and associated techniques for testing the fidelity of color processing are disclosed. One set of embodiments provide a test pattern that exhibits a large number of spatial interactions (e.g., edges) between colors corresponding to triples of constant value RGB primaries that incorporate a specific primary. Another set of embodiments provide an animated sequence of test patterns that exhibit temporal interactions between the colors identified above. Yet another set of embodiments provide a test pattern comprising a plurality of zones, where distinct subsets of the zones are configured to exhibit independent visual changes in response to adjustments of specific color processing controls. Using these test patterns, users may more easily test the fidelity of color processing (such as color dematrixing), and may more easily calibrate color processing controls accordingly.

Abstract: The present disclosure provides a multi-stage image mapping mechanism for mapping a distorted image to a rectified image. For example, the multi-stage image mapping mechanism can remove homography from a distorted image to reconstruct a rectified image in two-stages: (1) a first stage in which distortion is partially removed from a distorted image to generate an intermediate image, and (2) a second stage in which residual distortion is removed from the intermediate image to recover the rectified image.

Abstract: Methods of correcting gamma and a display device employing the same are disclosed. In one aspect, the method includes periodically measuring, at a plurality of predetermined times, a single color measurement luminance related to a single color component that is displayed on the display panel. The method further includes calculating a luminance difference between the single color measurement luminance and a single color target luminance. The single color target luminance is a target luminance of the single color component at each of the predetermined times. The method also includes changing a gamma setting for a plurality of data signals provided to the display panel based on the luminance difference.

Abstract: A method at a system having a virtual image generation device includes: receiving an image capture device; generating, using the virtual image generation device, a plurality of test images in accordance with a test sequence, where each test image corresponds to a respective focal distance with respect to the image capture device; obtaining test data corresponding to respective captures of the test images by the image capture device; and providing the test data.

Abstract: An image projection device includes: a drive controller that causes generation of light of a specified color tone by a combination of light to be transmitted by a liquid crystal panel to project image data onto a projection plane; an image capturing controller that receives a synchronization signal that specifies a period in which the liquid crystal panel does not transmit light from the drive controller and causes capturing of an image of the projection plane according to the period that is specified by the synchronization signal; an illuminated image detector that detects, from the captured image of the image data, an illuminated image that is illuminated by an illuminating device on the projection plane; and an illuminated image generator that generates projection image data obtained by combining given image data in a position in which the illuminated image is detected.

Abstract: The disclosure relates generally to improving readability of machine-readable information, despite signal capture distortion. One claim recites a method comprising: obtaining input data, the input data representing imagery or video, the input data comprising test data and a machine-readable signal; determining characteristics associated with the test data to determine information regarding signal capture distortion of the input data; based on at least the characteristics, determining an amount of correction or counteracting to be applied to the input data; using a programmed processor, applying a determined amount of correction or counteracting to the input data; and analyzing corrected or counteracted input data to obtain the machine-readable signal. Of course, other claims and combinations are provided as well.

Abstract: Embodiments of the present invention relate to a method of obtaining through a computing cloud, parameters of a digital video. The method further includes modifying by software generators of the computing cloud, one or more of the obtained parameters, such that the modification is based on information relating to segments of the users of the network. The method includes creating by rendering engines of the computing cloud a plurality of versions of the digital video. Each one of the plurality of versions comprises a digital video adapted to appeal to at least one of the segments of the users of the network. Further, the method includes determining a quality of at least one of the plurality of versions of the digital video, as well, as determining whether the at least one of the plurality of versions is viewable to the users of the network based on the determined quality.

Abstract: The present invention provides a display system capable of efficiently calibrating image content even when the image is displayed and thereby capable of reducing the time and cost required for calibration, and also provides a computer-readable recording medium. The control device thereof processes an image to be displayed on a display section beforehand so as to be usable for calibration. While the image is actually being displayed on the display section, the control device captures an image displayed on the display section using a capturing device at the timing at which a calibration image is displayed, compares the luminance or color in the calibration image with the luminance or color in the image obtained by capturing the calibration image, and creates correction information for correcting an image signal to be output to the display section on the basis of the result of the comparison.

Abstract: A mobility building product traceability system and a production line controlling method are used to set product information and to test quality of each product. The product traceability system includes a mobile electronics device used by an inspector and an ID (Identification) confirmation code inputted by the inspector. A storing unit is built in the mobile electronics device and has feature standards related to products built therein. At least one imaging apparatus is built in the mobile electronics device and applied to scan product serial number barcodes, product features, and two-dimensional barcodes associated with the products to receive, record or read production and test information of the products, and then store the production and test information in the storing unit.

Abstract: The color of a projected image is dynamically corrected by sensing the color of the surface onto which the image is projected before the image is projected, and/or sensing the color of the surface between frames of the projected image, and/or by sensing the projected image as it is displayed on the surface and comparing what is sensed to the original image. Corrections to the color of the projected image are then made based on the sensed information from the surface onto which the image is projected.

Abstract: A testing system and a method thereof are provided. The testing system includes an audio/video playback apparatus and a testing apparatus. The audio/video playback apparatus is configured to receive an audio/video signal, and analyze the audio/video signal to generate a signal analysis result and a processed audio/video signal. The processed audio/video signal is configured to be displayed on a screen of the audio/video playback apparatus. The testing apparatus includes a switching module and a determining unit. The switching module controls at least one audio/video transmission interface of the audio/video playback apparatus, so as to select and transmit the corresponding audio/video signal to the audio/video playback apparatus.

Abstract: A video signal waveform monitor is shown, which receives an input video signal composed of video lines. A video signal digitizer samples the input video signal at video sample points to generate a sequence of video pixel data, which is written into an acquisition framestore is organized into a video pixel array so as to represent a raster of the input video signal. A level analyzer reads the video pixel data row-by-row from segments of the video pixel array and increments video level data at addresses in cache memory in response to the serially-read video pixel data. This generates a sequence of video level data, which is written into an output framestore and which represents the level of the waveform of the input video signal. The segments of the video pixel array comprise at least one and less than all of the columns in the video pixel array.

Abstract: A method for controlling an image display apparatus includes determining a type of a video signal included in an input signal, determining whether three-dimensional (3D) format information is included in the input signal, if the video signal is a 3D video signal, requesting 3D format information about the video signal to a server that stores 3D format information, if the input signal does not include the 3D format information about the video signal, and processing, upon receipt of 3D format information from the server in response to the 3D format information request, the video signal according to the 3D format information and displaying a 3D image based on the processed video signal.

Abstract: Apparatus for evaluating optical components and systems that uses a precision compact mirror support structure to present to an optical system or electro-optical system (e.g., a camera) multiple images of at least one optical evaluation target over a wide field to allow assessment of the performance or alignment of the optical or electro-optical system over its intended field of use. The mirror support structure generates multiple images of an optical evaluation target by providing multiple folded optical paths between the target and the desired field locations of the test optic. The mirrors employed may either be parallel or at angles with respect to one another.