Abstract: A satellite digital broadcast systems transmits signals from a geosynchronous satellite to a plurality of geographically dispersed receivers. Each receiver measures a receive signal level and transmits a value representing the level to a data center. The data center analyses data received from a plurality of receivers in order to determine a size, shape, and velocity of propagation of an obstruction. The data center then predicts which receivers will experience signal disruptions based on the obstruction and the velocity of propagation of the obstruction. The data center transmits instructions to receivers that will be affected by the obstruction.

Abstract: A projector includes an image projection section, an imager, a calibration processor that performs calibration, an information acquirer that acquires information on the state in which the projector is installed, and an image generator that generates a calibration image corresponding to the state in which the projector is installed, and the calibration processor causes the image projection section to project the calibration image generated by the image generator to perform the calibration.

Abstract: A projection device including a processor circuit is provided. A reverse-warped image is generated by the processor circuit according to an input image and a second mapping table. The projection device is adapted to project the reverse-warped image onto the projection screen. The second mapping table is converted from a first mapping table according to a plurality of warped feature points caused according to a first calibration pattern and a second calibration pattern. A projection system and an image calibration method are also provided. Therefore, an undistorted and a non-warped image may be formed on a curved projection screen and be viewed by a viewer.

Abstract: A projection method is provided, and includes the following steps: projecting a first image according to an original image; capturing the first image; correcting the first image based on the original image to generate a corrected image; comparing the corrected image with the original image to obtain a difference area; generating a second image according to the original image and the difference area, wherein the second image has a dark region associated with the difference area; and projecting according to the second image.

Abstract: Various embodiments of the systems and methods described herein are directed towards training an artificial neural network to identify color values of a sample by providing image data obtained through multiple image capture devices under a plurality of lighting conditions. The present invention also includes using a pre-trained neural network to identify the color values of a sample having an unknown color value by capturing an image of an unknown color sample and known color reference samples under any illumination or hardware configuration.

Abstract: The present disclosure provides a method of compensating in a display panel, comprising: determining a displaying state according to a displaying state parameter of the display panel; acquiring a reference compensation parameter and a correction coefficient for a target displaying state, in response to determining that the displaying state is the target displaying state; determining a corrected compensation parameter for the target displaying state, based on the reference compensation parameter and the correction coefficient for the target displaying state; and compensating display brightness of pixels on the display panel, by using the corrected compensation parameter.

Abstract: The disclosure relates to a method, an apparatus, a device for adjusting screen color, and a storage medium. The method includes obtaining target optical parameters for representing a color space of a screen; calculating a target set of R, G, B components of a target white point based on the target optical parameters; comparing the target set of R, G, B components with a current set of R, G, B components of a current white point of the screen; obtaining adjustment data for the current set of R, G, B components, respectively, based on the comparison; and when the screen is displaying, adjusting the current set of R, G, B components of the screen based on the adjustment data for the current set of R, G, B components.

Abstract: A demodulator circuit receives an envelope signal for comparison against a switched reference signal that is generated as a function of the envelope signal and as a function of an output signal of the demodulator circuit. The switched reference signal is filtered by an RC filter prior to comparison. The output signal is dependent on a difference between the filtered switched reference signal and the envelope signal.

Abstract: A projector includes an illumination system that outputs illumination light containing white light, which is visible light, and infrared light, an image formation section that forms image light from the illumination light, a projection system that projects the image light on a projection surface and radiates the infrared light onto the projection surface, and a detection section that detects a pointing element based on reflected light formed of the radiated infrared light. The image formation section includes a light-exiting-side polarizer that transmits the visible light in such a way that the light-exiting-side polarizer transmits light formed of one polarization component and blocks light formed of another polarization component, and the light-exiting-side polarizer transmits the infrared light in such a way that the light-exiting-side polarizer transmits the two polarization components of the infrared light.

Abstract: A display system includes: a video display apparatus; and a mobile terminal that communicate with each other. The video display apparatus includes: a measurement pattern generator that generates a plurality of measurement patterns; a projection unit that projects the measurement patterns; a first transceiver that communicates with the mobile terminal to receive information regarding distortion correction of video; and a distortion corrector that corrects the distortion. The mobile terminal includes: a camera unit that photographs the projected measurement patterns; a controller that generates the distortion correction information based on the photographed measurement patterns; and a second transceiver that communicates with the first transceiver to transmit the distortion correction information to the video display apparatus. The measurement pattern generator adds a common pattern to each measurement pattern, which indicates a reference position of each of the measurement patterns.

Abstract: A test method of a display panel and a test device are disclosed. The test method includes outputting a data signal of a preset test image to the display panel to cause plural light emitting elements to emit light according to the preset test image; outputting a starting signal to a scan circuit in the display panel to cause the scan circuit to output an active level of a switching circuit to the plural rows of first scan lines as connected, successively, according to a preset timing sequence; receiving a sensing signal from a sensor circuit, including voltage value information of a first terminal of every light emitting element; comparing the voltage value information of the first terminal of every light emitting element with the preset test image to obtain a test result. The test method solves the problem of missing detection of Mura.

Abstract: A service information processing unit acquires, from service information of content, current information that indicates luminance information of a video at a current time point and preannouncement information that indicates luminance information of the video after a given time from the current time point, a level control unit, when a luminance range indicated by the preannouncement information changes from a luminance range of the video at the current time point, changes a luminance range more gently compared to a change of the luminance range, and a display unit displays the video in the luminance range defined by the level control unit.

Abstract: A display apparatus includes a driver which receives an input image data (RGB), generates a compensation image data (RGBD) by compensating the input image data according to an equation 1, and generates a final image data by comparing the compensation image data to a maximum grayscale ? RGB D = RGB * D , wherein ? ? ? D = ( 100 decreasing ? ? ratio ? ? of ? ? luminance ) 1 ? , ? ? wherein ? ? ? ? ? is ? ? a ? ? gamma ? ? value , and ? ? decreasing ? ? ratio ? ? of ? ? luminance = real ? ? luminance target ? ? luminance * 100 ; ? equation ? ? 1 ? and a display panel which includes a plurality of unit pixels and displays an image based on the final image data.

Abstract: A target color is set on the basis of a first captured image obtained by capturing, with an imaging section, at least a part of a first image projected by a projection optical system of a projector. First correction data for correcting a color of a projected image of another projector to the target color is calculated on the basis of a second captured image obtained by capturing, with the imaging section, at least a part of a second image projected by the projection optical system of the other projector.

Abstract: A serial interface comprises a receiver including a first input compensation module with a first setting that selects a first value from among a plurality of first values for a first input characteristic of the receiver, a memory to store a first blacklist value from among the first values, and a control module to select each of the first values, except for the first blacklist value, to evaluate an indication of a performance level of the receiver for each of the selected first values, and to select a particular first value based upon the indications of the performance level of the receiver.

Abstract: A test system for audio-video device comprises an output control circuit, a sensing circuit, a storage medium and a processor. The sensing circuit detects the sensible conditions of the AVDUT (Audio-Video Device Under Test). The storage medium stores a test script and a verification data set related to the AVDUT, wherein the test script comprises a plurality of test instructions, and each of the test instructions comprises a plurality of test signals. The processor is configured to generate a test sequence related to the test instructions, and outputs a plurality of control signals to the AVDUT through the output control circuit according to the test sequence, and the processor determines whether an abnormal event occurs in the AVDUT according to said sensible conditions, when the abnormal event occurs, the processor determines whether to update the test script according to a comparison result.

Abstract: A compensation method of mura phenomenon of a curved liquid crystal panel is provided, including first, obtaining image mura compensation data of the curved liquid crystal panel according to a collected image of a camera, the image mura compensation data including: a mura compensation value and a compensation point location corresponded with the mura compensation value, the compensation point location being a location of a compensation point in the collected image of the camera; then implementing correction to the compensation point location in the obtained image mura compensation data to acquire a compensation point location after correction, which is employed to replace the compensation point location in the image mura compensation data to obtain plane mura compensation data of the curved liquid crystal panel; and finally, implementing mura compensation to the curved liquid crystal panel according to the plane mura compensation data.

Abstract: A projector includes: a projecting section that projects an image onto a projection surface; an imaging section that captures the image projected on the projection surface and a person located between the projecting section and the projection surface, and obtain a captured image; a specifying section that specifies a split position of the projection surface based on a position of the person in the captured image; and a display control section that splits the projection surface into a plurality of areas at the split position specified by the specifying section and controls the projecting section so as to project different images in the plurality of areas.

Abstract: An electronic interactive system and a setting method thereof. The electronic interactive system includes a wireless transmission unit respectively connected with an electronic terminal device and an electronic whiteboard, where the wireless transmission unit is configured to transmit data signals from the electronic terminal device to the electronic whiteboard in a wireless form and transmit touch signals from the electronic whiteboard to the electronic terminal device in the wireless form.

Abstract: To allow a better coordination between an image creation artist such as a movie director of photography and the final viewer, via a receiving-side display and its built-in image processing, a method of adding image defining information to an input image signal (I) comprises receiving descriptive data (D) that includes at least luminance value information on the one hand, and a regime descriptor (rd) on the other hand; and encoding into an output description data signal (DDO), relatable to an output image signal (O) based upon an input image signal (I), of the descriptive data (D) in a technical format standardized to be intended for use by a receiving-side display to control its image processing for changing the color properties of its rendered images.

Abstract: The present invention provides a compensation method of Mura phenomenon of a curved liquid crystal panel. First, obtaining image Mura compensation data of the curved liquid crystal panel according to a collected image of a camera, and the image Mura compensation data comprises: a Mura compensation value and a compensation point location corresponded with the Mura compensation value, and the compensation point location is a location of a compensation point in the collected image of the camera, and then implementing correction to the compensation point location in the obtained image Mura compensation data to acquire a compensation point location after correction, which is employed to replace the compensation point location in the image Mura compensation data to obtain plane Mura compensation data of the curved liquid crystal panel, and finally, implementing Mura compensation to the curved liquid crystal panel according to the plane Mura compensation data.

Abstract: Provided is a picture conversion method capable of, when displaying a picture obtained from identical video data on a display device at different display luminances, converting the picture so that appearances of the picture visually come close to each other. The method includes a step of converting the picture by setting gradation characteristics when displaying the picture at a second luminance so that an inter-close gradation JND corresponding value difference at the second display luminance comes close to an inter-close gradation JND corresponding value difference at a first display luminance in a target gradation range which is at least part of an entire gradation range.

Abstract: An integrated circuit (IC) is provided. The IC includes: an RF transmitter configured to generate an RF signal when the IC has entered a test mode; an RF receiver configured to receive the RF signal in the test mode; and a computation unit having a plurality of processing units that are parallelized to perform a test procedure of the IC according to the received RF signal to determine one or more test results.

Abstract: An example system for projector image alignment. The system for projector image alignment can include a processor to compare a first calibration-pattern image projected by a first projector and at least a portion of a second calibration-pattern image projected by a second projector and generate a geometric model of an aligned image for display by both the first projector and the second projector. The processor can also send a first projector portion of the aligned image to the first projector based on the geometric model of the aligned image.

Abstract: Embodiments for diagnosing failure locations in one or more electronic circuits. Embodiments may include generating a plurality of core instances of at least one core, for each electronic circuit, with one or more outputs and compressing the outputs of each instance into primary output pins based upon compression equations. Embodiments may include applying test patterns to the plurality of core instances and identifying failures based upon compressed test patterns received at the primary output pins. Embodiments may include performing fault selection on a single core instance for each failure associated with the plurality of core instances and performing fault simulations on the single core instance for each candidate faults associated with the plurality of core instances. Embodiments may include generating fault signatures for each detected fault based upon the instances associated with each detected fault and analyzing each fault signature to determine failure locations.

Abstract: Embodiments relate to a method for allocating resources and settings in order to optimize application satisfaction in view of hardware resources and adjustable software configurations. As applications are executed on a computing device, usage data is tracked, adjustable settings are identified, and power consumption of each application under different settings is measured. The usage data is then compiled, an optimal configuration setting is assessed for each application, and the setting is conveyed and applied to one or more applications.

Abstract: Embodiments relate to a computer system and computer program product for allocating resources and settings in order to optimize application satisfaction in view of hardware resources and adjustable software configurations. As applications are executed on a computing device, usage data is tracked, adjustable settings are identified, and power consumption of each application under different settings is measured. The usage data is then compiled, an optimal configuration setting is assessed for each application, and the setting is conveyed and applied to one or more applications.

Abstract: There are disclosed various methods, apparatuses and computer program products for testing a display. In some embodiments an image sensor captures a rendered image from the display to form a captured image, the image sensor having a second resolution greater than the first resolution. The captured image is analyzed to find difference of orientation of the rendered image with respect to an orientation of the image sensor. A rotated image is formed on the basis of the analyzed difference of orientation to obtain orientation for the rotated image to correspond with the orientation of the image sensor. The rotated image is resampled to form a resampled image having the first resolution.

Abstract: An apparatus for calibrating a camera comprises a camera; an input unit configured to receive a segmentation diagonal ratio of the environment quadrangle; a memory configured to store a program; and a processor configured to perform camera calibration based on the program, wherein the program is configured to: extract diagonal parameters of a centered quadrangle from the image; estimate length of a projection center line; estimate a projection angle; estimate an angle between diagonals of a projection quadrangle; estimate a projection center point; and estimate extrinsic and intrinsic parameters of the camera.

Abstract: A system and a method for luminance correction that can remove luminance spots of a display device. The system includes a display device, an image detection unit, and a luminance correction device. The display device includes a plurality of sub-pixels including first sub-pixels and corresponding second sub-pixels. The image detection unit is configured to measure respective luminance values of the first sub-pixels. The luminance correction device is configured to supply test data so that only the first sub-pixels emit light, and to calculate correction values corresponding to the plurality of sub-pixels based on difference values between the respective luminance values measured by the image detection unit and one or more target luminance values.

Abstract: Provided is a display device. The display device includes a display portion configured to display an image, a photo sensor electrically connected to the display portion and configured to facilitate correction of an afterimage of the display portion; and a shutter portion disposed on the display portion and comprising a shutter positioned and configured to selectively block light over an afterimage correction pattern generated by the correction of the afterimage facilitated by the photo sensor, so as to selectively prevent a user from viewing a portion of the display portion upon which the afterimage correction pattern occurs.

Abstract: A method, apparatus and a system multi-camera image processing method. The method includes performing geometric alignment to produce a geometric output, performing photometric alignment to produce a photometric output and blending output, using data from the geometric alignment and the photometric alignment for performing synthesis function for at least one of blending and stitching images from the multi-cameras, and displaying an image from the synthesis function.

Abstract: A visual management system for a medical device, the system comprises a projection device and a controller to generate control signals based upon parameters associated with use of the medical device. The projection device projects a message onto a surface, upon which the image is viewable, in response to the control signals.

Abstract: A projection system includes a projection apparatus that projects, onto an object, pattern light indicating pattern images obtained by conversion of projection coordinates defined in a projection coordinate system to codes, an imaging apparatus that captures images created on the object by projecting the pattern light onto the object and that generates first captured images, and an image correction apparatus that generates, based on the first captured images, first coordinate conversion information which associates the projection coordinates with imaging pixel coordinates defined in an imaging coordinate system of the imaging apparatus and that corrects a projection image, which is prepared in advance, by using the first coordinate conversion information.

Abstract: A method of measuring light emission of a display panel and a method of compensating light emission of a display panel are disclosed. In one aspect the method of measuring light emission includes setting a location of a camera such that a imaging range area of the camera includes a first divided region among a plurality of divided regions, wherein the display panel is larger than the imaging range area of the camera and includes the divided regions, and wherein each of the divided regions is smaller than the imaging range area; first displaying a recognition pattern image on the first divided region. The method also includes shooting the first divided region by the camera so as to generate a recognition pattern shot; second displaying a single-color image on the first divided region.

Abstract: A chassis may include a plurality of slots each configured to receive a module having one or more information handling resources, wherein each slot is configured to electrically and communicatively couple the module to other components of the chassis. The chassis may also include a controller communicatively coupled to the plurality of slots. The controller may be configured to receive an electrical signal indicative of a user action associated with the chassis. The controller may also be configured to, responsive to the electrical signal: cause a first visual indicator associated with a first module received in the chassis to indicate a selection; for a period of time following receipt of the electrical signal, cause at least one second visual indicator of modules received in the chassis to mute; and at the conclusion of the period of time, cause the at least one second visual indicator to unmute.

Abstract: Provided is an excellent robot device capable of preferably detecting difference between dirt and a scratch on a lens of a camera and difference between dirt and a scratch on a hand. A robot device 100 detects a site in which there is the dirt or the scratch using an image of the hand taken by a camera 305 as a reference image. Further, this determines whether the detected dirt or scratch is due to the lens of the camera 305 or the hand by moving the hand. The robot device 100 performs cleaning work assuming that the dirt is detected, and then this detects the difference between the dirt and the scratch depending on whether the dirt is removed.

Abstract: Luminance correction systems and methods capable of reducing or removing luminance mura of display devices are provided. One luminance correction system includes: a display device including a plurality of pixels, the pixels including a plurality of sub-pixels, each of the pixels comprising at least two of the sub-pixels; an image capturing unit including a plurality of charge-coupled device (CCD) image capturing elements, an n×n arrangement of the image capturing elements corresponding torn of the pixels, n and m being natural numbers greater than or equal to 2; and a luminance correction device configured to generate a representative luminance value with respect to the m of the pixels based on luminance values measured by the n×n arrangement of the image capturing elements, and calculate a correction value with respect to the m of the pixels according to a difference between the representative luminance value and a target luminance value.

Abstract: The present invention is directed to methods for adjusting or selecting driving waveforms in order to achieve a consistent optical performance of a display device. When a method of the present invention is applied, even if there are changes in the display medium due to temperature variation, photo-exposure or aging, the optical performance can be maintained at a desired level.

Abstract: Luminance correction systems and methods capable of reducing or removing luminance mura of display devices are provided. One luminance correction system includes: a display device including a plurality of pixels, the pixels including a plurality of sub-pixels, each of the pixels comprising at least two of the sub-pixels; an image capturing unit including a plurality of charge-coupled device (CCD) image capturing elements, an n×n arrangement of the image capturing elements corresponding torn of the pixels, n and m being natural numbers greater than or equal to 2; and a luminance correction device configured to generate a representative luminance value with respect to the m of the pixels based on luminance values measured by the n×n arrangement of the image capturing elements, and calculate a correction value with respect to the m of the pixels according to a difference between the representative luminance value and a target luminance value.

Abstract: An apparatus for securing a diagnostic tool proximate to and in front of a display device between the corners thereof. A harness is adapted to releasably hold the diagnostic tool, a restraining bracket extends from the harness, and there is at least one elastic cord having a first end, an intermediate portion and a second end. The cord is threaded through the restraining bracket and is sized so as to impart elastic tension to the corners of the display device while concomitantly protecting the front surface from pressure due to the position of the harness and diagnostic tool.

Abstract: The present invention provides a novel image output apparatus that includes an operation processing unit that processes an operation request from a user, a projecting unit that projects a display image from a video providing apparatus and UIs from the image projector, a determining unit that determines whether or not it is necessary to switch a source of a video signal by using a current input type and a source of a video signal with reference to a data table that associates an input type that indicates a type of a port from which an image to be projected is acquired with a source of a video signal that forms an image to be projected, and a controller that switches a source of a video signal and executes a process indicated by an operation request from a user if it is necessary to switch the source of a video signal.

Abstract: A display enclosure with a monitoring system includes a display enclosure having an interior, a sensor positioned within the interior of the display enclosure, and a monitoring device coupled to the sensor. The interior of the display enclosure is sized and configured to receive a display device. The monitoring device includes a memory including a plurality of stored values defining a range, a processor communicatively connected to the memory, and a communication interface configured to communicate with a remote device. The processor is configured to process a signal output from the sensor indicative of a property of the interior of the display enclosure. The processor is configured to transmit a status message to the remote device via the communication interface if the property indicated by the signal is outside of the range defined by the stored values.

Abstract: A method, system and reference target for estimating spectral data on a selected one of three spectral information types is disclosed. Spectral information types comprise illumination of a scene, spectral sensitivity of an imager imaging the scene and reflectance of a surface in the scene. The method comprises obtaining a ranking order for plural sensor responses produced by the imager, each sensor responses being produced from a reference target in the scene, obtaining, from an alternate source, data on the other two spectral information types, determining a set of constraints, the set including, for each sequential pair combination of sensor responses when taken in said ranking order, a constraint determined in dependence on the ranking and on the other two spectral information types for the respective sensor responses and, in dependence on the ranking order and on the set of constraints, determining said spectral data that optimally satisfies said constraints.

Abstract: Disclosed is a method and an apparatus for removing circling drifts on the display of the measured eddy current or other continuous waves. The circling dot which is supposed to be a static dot can obscure information required by the operator to judge if a small defect is present. Embodiments of presently disclosed harmonic rejection filters are tunable and employed to effectively abate or eliminate signals with frequencies that are multiples of operating frequencies, resulting in the removal of the circling effects on the display.

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: A projection system for projecting an image onto a projection body by a plurality of projection devices, includes an image preparation unit configured to prepare a plurality of imaging images for calibration, a grid point extraction unit configured to extract a set of grid points that indicates a distortion of a projection image for at least one projection device from each of the plurality of imaging images for calibration, a grid point transformation unit configured to execute a transformation between a plurality of images that are imaged in different imaging ranges on the plurality of imaging images for calibration in such a manner that each set of the grid points that are commonly extracted for a subject projection device is provided in a common coordinate system, a grid point synthesis unit configured to produce a set of the grid points that are synthesized for a subject projection device based on a plurality of sets of the grid points in the common coordinate system, and a correction coefficient calculat

Abstract: A test panel containing test elements, and a control element, and a replica control element, and a method of monitoring the accuracy of color, grayscale and other test image elements subject to degradation through age, exposure, shrinkage, or other causes.

Abstract: A lens testing system may have a test pattern source that generates a test pattern of light. A lens may have a lens surface that reflects the test pattern of light. A digital camera system may capture an image of the reflected test pattern of light. Computing equipment may perform image processing operations to evaluate the captured image of the reflected test pattern. The test pattern may contain a known pattern of test elements such as a rectangular array of spots or test elements of other configurations. During image processing operations, the computing equipment may analyze the reflected version of the spots or other test elements to measure characteristics of the lens such as radius of curvature, whether the lens contains flat regions, pits, or bumps, lens placement in a support structure, and other lens performance data. The computing equipment may compare the measured lens data to predetermined criteria.

Abstract: The present disclosure related to acquisition of color calibration charts. In at least some examples herein, an image of a calibration color chart is processed. A lighting condition of the color calibration chart may be automatically determined.