Abstract: An apparatus configured to match an input frame rate of a video stream with an output frame rate of an output stream, the apparatus comprising, at least one memory buffer, an output frame generator, and a threshold measurement unit, the threshold measurement unit configured to generate a control feedback, wherein the box is configured to analyze the control feedback to monitor a state of the at least one memory buffer, the threshold measurement unit further configured analyze the control feedback to regulate between two or more different settings, wherein the two or more different settings include slowing down or speeding up the output frame, wherein the two or more different settings further include slowing down or speeding up of the line rate of the output stream.

Abstract: A network device may be configured to receive video quality data that includes information corresponding to a delivery of video content from a content source to a user device via a network and information corresponding to video presentation conditions corresponding to the user device. The network device may also be configured to determine video quality metrics based on the video quality data. Each of the video quality metrics may correspond to a characteristic of the delivery of the video content from the content source to the user device or the video presentation conditions corresponding to the user device. The network device may also be configured to determine, based on the video quality metrics, a video quality score that corresponds to an estimated user viewing experience corresponding to the video content. The network device may also be configured to communicate the video quality score to an operator of the network.

Abstract: A system for displaying video is provided that includes a first computing system that has a first display and is operable to render video data from a multimedia source. A video measurement module is associated with the first computing device and operable to calculate from the video data at least one statistic representing at least one aspect of the video data and generating for display a visual depiction of at least one statistic to a user.

Abstract: A system, apparatus, or method is provided for imaging and for capturing visuals to provide image manipulation options for increasing resolution of subject images. A system, apparatus or method for increasing resolution of subject images using a camera to deliver unexposed photographic emulsion or a digital image and to generate images of greater resolution by modifying digital images or modifying digital and emulsion images.

Abstract: A method for calibrating a camera and a display monitor is provided. The method includes identifying a parameter for optimization, assigning to a test color a target color relevant to the parameter, repeatedly performing, two or more times, a set of steps, determining a direction and timing of color divergence for the target color from obtained images, and adjusting the parameter based on the direction and rate of color divergence for the target color. The set of steps includes instructing the display monitor to display the test color on a portion of the display monitor, obtaining an image captured by the camera while the display is executing the instruction, and reassigning, to the test color, a color obtained from a portion of the image in which the portion of the display monitor was captured. The obtained image includes the portion of the display monitor.

Abstract: An image-capturing device and a projection automatic calibration method of a projection device are provided. The image-capturing device includes an image sensing device, a lens, a processing unit and a storage unit. The lens is configured to image a calibration pattern on the image sensing device. The processing unit is configured to issue a projection calibration requirement and analyze the calibration pattern imaged on the image sensing device to obtain information relating to the calibration pattern, and the processing unit is further configured to convert imaging coordinates of the calibration pattern imaged on the image sensing device into projecting coordinates of the projection device by executing a calibration driving program to establish a coordinate conversion table. The storage unit is configured to store the calibration driving program and the coordinate conversion table.

Abstract: A display device to measure ambient light brightness may include a camera to provide an image, a controller to detect a face from the image and to measure brightness from a ratio of the iris diameter to the pupil diameter DI/DP, and an actuator to stepwise change the backlighting of the display device based upon the measured brightness.

Abstract: A testing apparatus for testing delay characteristics of a multimedia player in an enclosed environment includes a storage device, a controller, a recording device, and a processor. The controller controls the multimedia player to display a video having a number of different scenes with different brightness and sends a switching instruction to switch the scenes. The recording device records a number of ambient light intensities in a darkroom at predetermined time intervals. A testing system executed by the processor compares two adjacent ambient light intensities to determine the actual switching time between the scenes and evaluates the delay characteristic according to differences between the actual switching times and a transmitting time of the instructions to switch.

Abstract: A video processing system includes a switch apparatus connected between first and second computers. The first computer outputs a video signal including test information of the first computer to the switch apparatus. The switch apparatus obtains a resolution of the second computer, and encodes the video signal according to the resolution of the second computer. The second computer displays the test information.

Abstract: A test device is for testing display parameters of an electronic product with a page browsing function. The electronic product stores display times of a number of standard frames which selected from a standard video file. The standard video file includes frames record the play process of a testing file being played by a standard electronic product. The test device controls a video capturing unit to capture an original video file which includes frames to records the playing process of the electronic product. The electronic product searches matching frames of the number of standard frames in the original video file. Thus the parameters of the electronic product can be determined by display times of the matching frames in the video file.

Abstract: Method and system for validating video monitors, gauges, indicators and controls within their installed environment is disclosed. The methods do not require access to the electronic signals that control or stimulate those devices. Direct visual capture of the instruments under test is provided along with a novel sequence of operations to compare the present visual presentation to a known-good reference image and optionally, to known-bad reference images. When the method is applied to complex and interconnected systems, such as aircraft cockpits, tangible benefits are realized, including minimizing equipment removal and quicker fault isolation.

Abstract: A video processing system may include an input for receiving video data including video signal values for a corresponding plurality of image pixels and having an image pattern therein. The system may further include a processor coupled to the input for determining a series of video signal value differences for each pair of adjacent image pixels along at least one direction, detecting at least one image transition boundary based upon the series of video signal value differences, and detecting the image pattern based upon the at least one image transition boundary.

Abstract: An image processing apparatus including: a signal reception unit including a connector that is configured to connect to a plug of an external device and includes a first terminal and a second terminal, the signal reception unit being configured to receive a signal from the external device through the plug connected to the connector; a signal processor that processes the signal received by the signal reception unit according to a preset process; a storage that stores a test signal; and a controller that transmits the test signal stored in the storage to the first terminal when the first terminal and the second terminal are electrically connected to each other, and determines a signal transmission state of the connector to the signal processor based on a change in signal characteristics of the test signal fed back through the second terminal.

Abstract: A video apparatus such as a television signal receiver enables a video display that readily indicates the detected degree of a video attribute such as motion and/or other video attribute present in the video display. According to an exemplary embodiment, the video apparatus includes first circuitry operative to receive video data. Second circuitry is operative to enable a video display corresponding to the video data. The video display includes first and second video attributes. The first video attribute varies in proportion to a detected degree of the second video attribute.

Abstract: A testing method includes: providing a camera under test and a planar light source having a first mark, wherein the camera includes a voice coil motor (VCM) and a lens module is fixed on the VCM by glue, the VCM moves the lens module, the VCM includes an elastic tab for limiting and restoring the movement of the lens module; taking an image of a light source using the camera during the movement of the VCM; displaying the image having the first mark; determining if the first mark tilts using a detector; displaying a first message indicating that the tab is not stuck by glue when the detector determines the first mark does not tilt; and displaying a second message indicating that the tab is stuck by glue when the detector determines the first mark tilts.

Abstract: A monitoring apparatus includes a detection circuit, a filter circuit, an amplifying circuit, a regulation circuit, a delay and charging circuit, and a driving circuit. The detection circuit receives a video signal, and performs an operation to obtain an image signal from the video signal. The filter circuit obtains an average intensity of a luminance signal corresponding to the image signal. The delay and charging circuit charges an input capacitor when receiving a low level regulated signal from the amplifying circuit. The driving circuit activates an alarm when a charging voltage of the chargeable capacitor exceeds a predetermined value.

Abstract: A panel driving circuit that produces a panel test pattern and a method of testing a panel are provided. The driving circuit includes a pattern generation unit and a selection unit. The pattern generation unit responds to a system clock and produces pattern test data and pattern test signals. The selection unit responds to a test signal and selects and outputs either (a) the pattern test data and the pattern test signals that are outputted from the pattern generation unit, or (b) the pattern test data and pattern test signals that are directly applied from the outside. The driving circuit and the method of the panel test generates the panel test data, the horizontal synchronizing signal, the vertical synchronizing signal, and the data activating signal within the driving circuit using a system clock so that the testing of the panel can be carried out without using a separate test device.

Abstract: A method and a system for monitoring operation of an LED display screen are provided. The method comprises: A. transmitting a monitoring video image to the LED display screen, shooting a corresponding monitoring image by a video camera, and transmitting the monitoring image back to a computer apparatus; and B. analyzing and computing pixels in the monitoring image to determine a working status of modules in the LED display screen. Prior to the step A, the method further comprises a step of: transmitting a geometric video image to the LED display screen, shooting a geometric image by the video camera, transmitting the geometric image back to the computer apparatus, and acquiring and storing coordinate information by the computer apparatus. The system comprises a computer apparatus, a video controller, an LED display screen and at least one video camera.

Abstract: A display device according to the present invention includes: a display unit including a plurality of pixels coupled to a plurality of scan lines; a plurality of scan driving blocks coupled to the plurality of scan lines and adapted to apply a plurality of scan signals; an electrostatic discharge (ESD) unit adapted to protect the plurality of scan driving blocks from static charges; an AC power source unit for supplying a first power source voltage of which a level is changed between a logic high level and a logic low level, to the plurality of scan driving blocks through a first power source voltage wire during a pixel test of the plurality of pixels; and a DC power source unit for supplying a second power source voltage of the logic high level to the ESD unit through a second power source voltage wire.

Abstract: An outdoor surveillance and lighting apparatus. The apparatus includes a housing having at least one side portion, a front end and a back end. There is a substantially unidirectional main light and at least one surveillance camera disposed within the housing. The lens of the camera is aimed in a direction substantially normal to the main light direction. Also included is a video transmitting means connected to the surveillance camera for conveying video images to a remote viewing unit.

Abstract: A method and circuitry for processing a video signal corresponding to a source synchronous video broadcast which corresponds to a selected channel which is one of a plurality of channels of a broadcast spectrum. In one aspect, the method includes generating digitized data of the video signal, which corresponds to the source synchronous video broadcast, using a local clock signal having a frequency which is different from the frequency of the source clock of the video broadcast; generating video data using the digitized data of the video signal; generating formatted video data blocks by arranging the video data into one or more lines or frames of video data; generating temporal reference signals wherein each temporal reference signal is associated with at least one formatted video data block.

Abstract: A video timing display for multi-rate systems allows a user to quickly, easily and precisely measure the timing difference between video signals of different rates. A graphic display area within a raster display region provides a display of vertical and horizontal timing offsets of one video signal with respect to another video signal as a reference having a different frame rate. The graphic display area includes a reference indicator associated with the reference and timing indicators indicating the timing phases between the video signals, with one of the timing indicators being emphasized. A numeric display area may be provided adjacent the graphic display area to display the actual vertical and horizontal timing differences in appropriate units for the emphasized timing indicator relative to the reference indicator with a precision to one video clock cycle.

Abstract: A wall plate assembly having a television channel select switch, a channel display, and a signal strength display. A circuit board on the rear of the wall plate includes a television antenna connector, a television output connector, and control electronics. The control electronics displays the selected channel in the channel display, determines the signal strength for the selected channel in any signal on the television antenna connector and displays it in the signal strength display. The control electronics delivers the signal for the selected channel to the television output connector.

Abstract: A testing method includes: providing a camera under test and a planar light source having a first mark, wherein the camera includes a voice coil motor (VCM) and a lens module is fixed on the VCM by glue, the VCM moves the lens module, the VCM includes an elastic tab for limiting and restoring the movement of the lens module; taking an image of a light source using the camera during the movement of the VCM; displaying the image having the first mark; determining if the first mark tilts using a detector; displaying a first message indicating that the tab is not stuck by glue when the detector determines the first mark does not tilt; and displaying a second message indicating that the tab is stuck by glue when the detector determines the first mark tilts.

Abstract: A video window detector includes a region characteristic determiner to generate at least one characteristic value for at least one region of a display output; a characteristic map generator to generate an image map from the at least one characteristic value for at least one region of the display output; and a window detector to detect at least one video window dependent on the image map.

Abstract: A network device may be configured to receive video quality data that includes information corresponding to a delivery of video content from a content source to a user device via a network and information corresponding to video presentation conditions corresponding to the user device. The network device may also be configured to determine video quality metrics based on the video quality data. Each of the video quality metrics may correspond to a characteristic of the delivery of the video content from the content source to the user device or the video presentation conditions corresponding to the user device. The network device may also be configured to determine, based on the video quality metrics, a video quality score that corresponds to an estimated user viewing experience corresponding to the video content. The network device may also be configured to communicate the video quality score to an operator of the network.

Abstract: Some embodiments of the invention provide several novel methods for distributing image content (e.g., picture content, video content, etc.). In some embodiments, the method tags the content with data that specifies an initial target color-region for the content. Some embodiments tag the data when the content is being created, while other embodiments tag the data when the content is being edited. The method uses the tag data to reformat the content for one or more different targets for the content. For instance, during the reformatting, some embodiments use the tags to perform proper color region conversion on the content. In some embodiments, this conversion converts the colors of each pixel in the content from the initial target color region to a subsequent target color region.

Abstract: A method of diagnosing problems experienced with remote control operation of electronic devices includes monitoring background noise signals with a receiver of a signal processing electronic device, such as a set-top box, for use in receiving and rendering multimedia content via a separate display monitor. The electronic device has an internal remote control unit enabling remote control of the signal processing electronic device via wireless signals emitted from a separate remote controller. The background noise signals are analyzed with a signal processing unit residing in the electronic device. From the analysis, the electronic device generates a representation with respect to the background noise signals. The representation may be provided to the end user, technician or call center operator in a readily understandable form for purposes of readily verifying a noise interference problem and providing guidance with respect to mitigation. A device, such as a set-top box, is also disclosed.

Abstract: A method is disclosed for performing stereoscopic imaging. The method may involve obtaining a first image of a scene, at a first time, using a camera disposed on a platform, where the distance between the camera and the scene is changing. The camera may be used to obtain a second image of the scene, at a second time, with one of the first and second images being larger than the other. One of the images that is larger than the other may be resized so that the sizes of the two images are substantially similar. Both of the images may be rotated a predetermined degree so that the images form a stereo pair that may be viewed with a stereoscope viewing component or made into an anaglyph for viewing with an anaglyph viewing component.

Abstract: There is provided a display apparatus which includes a signal processing part which processes a video signal including at a peripheral area thereof a position determining pattern having a plurality of characteristics; a display part which displays a picture on the basis of the video signal processed by the signal processing part; a sensing part which senses the position determining pattern which is included in the video signal; and a control part which controls the signal processing part to adjust a position of the picture displayed on the display part, on the basis of a shift between a characteristic sensed by the sensing part among the plurality of characteristics of the position determining pattern and a predetermined reference characteristic. The position determining pattern has a face shape. Accordingly, the position of the picture can be quickly determined and adjusted.

Abstract: A method and a device utilizing an algorithm using measurement data derived from parameters related to a video-streaming player and/or parameters related to data transport is disclosed. The data are used as input data in a model designed to generate a value corresponding to the quality of the multimedia sequence, such as for example a MOS score.

Abstract: According to the invention, the test system uses a digital photography device (4) that can be remotely controlled from a computer system including a processor (20) coupled to a man/machine interface (21) and to the presentation device to be tested by a remote transmission means. A means is further provided for centering the photographic apparatus (4) opposite the presentation device (5) to be tested. The processor (20) is programmed so as to carry out a self-positioning phase of the photographic apparatus, an automatic focalization phase of the lens, and a test phase of the information presentation device.

Abstract: A signal converting apparatus includes the following elements. A converting section converts an input signal into output signals on the basis of the values of reference parameters, serving as references of a plurality of parameters for signal conversion, and the values of newly proposed parameters. An evaluation input receiving section receives an evaluation input indicating the selection of either the output signal based on the values of the reference parameters or the output signal based on the values of the newly proposed parameters. A parameter updating section linearly changes the values of the newly proposed parameters when the evaluation input indicates the selection of the output signal based on the values of the newly proposed parameters, and nonlinearly changes the values of the reference and newly proposed parameters when the evaluation input indicates the selection of the output signal based on the values of the reference parameters.

Abstract: Test patterns and associated techniques for testing the fidelity of intensity reproduction are disclosed. One set of embodiments provide test patterns that incorporate anti-aliased features such as anti-aliased edges or lines. In various embodiments, these anti-aliased features expose undesirable, nonlinear transformations of the test patterns by one or more devices in an image output system or chain. Using these test patterns, users may more easily evaluate the end-to-end gamma response of the system, and may more easily calibrate gamma controls accordingly. Additionally, users may more easily identify nonlinear image resampling performed in gamma, rather than linear, space.

Abstract: The status of a driver is monitored by facial images captured by a camera mounted on the steering wheel of a vehicle. The captured image is tilt corrected by a steering angle. The status of the driver can be monitored efficiently.

Abstract: A method, system and computer program for providing a cross table analysis display in a digital broadcast environment, are discussed. The method includes providing at least two metadata tables of a broadcast stream, performing a cross table analysis on the metadata tables to determine consistency between the metadata tables, and displaying the result of the cross table analysis of the metadata tables using a graphical user interface.

Abstract: Systems and methods of perceptual quality monitoring of video information, communications, and entertainment that can estimate the perceptual quality of video with high accuracy, and can be used to produce quality scores that better correlate with subjective quality scores of an end user. The systems and methods of perceptual quality monitoring of video can generate, from an encoded input video bitstream, estimates of one or more quality parameters relating to the video, such as the coding bit rate parameter, the video frame rate parameter, and the packet loss rate parameter, and provide these video quality parameter estimates to a predetermined video quality estimation model. Because the estimates of the video quality parameters are generated from the encoded input video bitstream as it is being received, the systems and methods are suitable for use as QoE monitoring tools.

Abstract: Systems and methods for analyzing the performance of a digital network include capturing a stream of digital data, e.g., interne protocol (IP) packets, that represent streaming video, identifying which of the IP packets include bit errors, determining to which of a plurality of pixels the IP packets including bit errors belong and identifying such pixels as corrupted pixels, and illuminating only the corrupted pixels on a display of a tool. Corrupted pixels in different time blocks can be displayed with different colors to gain a better appreciation of the bit error rate over time.

Abstract: A method of controlling a display characteristic in a television receiver enables automatic adjustment of the display characteristic according to ambient illuminance levels. The television receiver includes a display module for displaying a video signal; an illuminance sensor for detecting an ambient illuminance, the detected ambient illuminance corresponding to one of a plurality of primary display grades for controlling at least one display characteristic of the display module; a system controller for determining, based on the detected ambient illuminance, the primary display grade corresponding to the detected ambient illuminance and for determining a final display grade with respect to the determined primary display grade; and a display characteristic controller for generating at least one display characteristic control value corresponding to the final display grade and for controlling the display module using the generated at least one display characteristic control value.

Abstract: Video content information associated with video content is received, by at least a first computing device, wherein the first computing device is a mobile media device. End destination information associated with a reception instance of the video content is received, by at least the first computing device, wherein the end destination information includes experience information that, at least in part, includes information relating to a quality of the reception instance of the video content and one or more of the mobile media device and a location of an end destination associated with the reception instance of the video content. At least a portion of the video content information and the end destination information, which includes at least a portion of the information relating to the quality of the reception instance of the video content, is selectively aggregated, by at least a second computing device, to generate aggregated information.

Abstract: A wall plate assembly having a television channel select switch, a channel display, and a signal strength display. A circuit board on the rear of the wall plate includes a television antenna connector, a television output connector, and control electronics. The control electronics displays the selected channel in the channel display, determines the signal strength for the selected channel in any signal on the television antenna connector and displays it in the signal strength display. The control electronics delivers the signal for the selected channel to the television output connector.

Abstract: According to one embodiment, video data from a video transmitter (110) is received (420) at a network buffer (130). Information that pertains to a network buffer drain rate (14) of the network buffer (1q3) is monitored (430). The network buffer drain rate (140) is a rate that the video data is removed from the network buffer (130). The network buffer drain rate (140) is estimated (440) based on the monitored information. A transmission rate (120) that the video transmitter (110) transmits future video data is adjusted (450) to not exceed an allowed transmission rate (ATR) that is calculated based on the estimation of the network buffer drain rate (140).

Abstract: A waveform display apparatus that can display a waveform in a desired position even when an internal reference mode is switched to an external reference mode. The internal and external reference modes are switched with a reference select button 60. A user operates a phase adjustment knob 64 while watching a display 54 to adjust a phase relationship between an external reference video signal and a video signal under test. When the phase relationship becomes proper an offset save button 66 is pressed to store the phase offset at the situation in a memory 56. A CPU 30 reads out the phase offset according to needs such as the waveform display apparatus is turned on, etc. to control a phase adjustment circuit 44 for adjusting the phase relationship between the external reference video signal and the video signal under test.

Abstract: A picture is scrolled on a display 5 to be measured, and the scrolling moving picture is pursuit-captured by a color camera 3 so as to obtain a pursuit-captured moving picture image. A moving picture response curve using received light intensity data obtained based upon the pursuit-captured moving picture image is converted into a color moving picture response curve using emission intensity of display elements of the display 5 to be measured. The coloration of an edge part of the pursuit-captured moving picture image is decomposed into the respective color components, by which objective quantitative evaluations of color shifting can be made.

Abstract: An imaging apparatus includes an imaging unit configured to capture an image of an object to obtain an image signal, a detection unit configured to set a detection area in a captured image based on the image signal obtained by the imaging unit and calculate a detection value from an image signal in the detection area, an exposure adjustment unit configured to perform exposure adjustment, a control unit configured to control the exposure adjustment unit so that the detection value becomes equal to a predetermined value, and a presentation-image detecting unit configured to detect a presentation image presented by an image presentation device from the captured image on the basis of a difference in luminance in the captured image. When the presentation-image detecting unit detects the presentation image, the detection unit sets the detection area in a location different from a location of the detected presentation image.

Abstract: Disclosed is an apparatus and associated method an apparatus and method for assessing visual acuity of an image captured by a digital security camera. The user is able to select a desired level of visual acuity based on displayed sample images and receive data regarding the hardware, settings, and placement required to reproduce the desired level of acuity. The sample images may account for acuity variations based on the type of object being imaged.

Abstract: A sensor system detection device for detecting quality of a sensor system includes a first connector electrically connected to the sensor system, a second connector; a display unit, a controller and an encoder. A first terminal of the encoder is connected to the first connector to receive first image data from the sensor system. A second terminal of the encoder is connected to the display unit via the second connector. A third terminal of the encoder is connected to the controller. The controller controls the encoder to transform the first image into second image data matching with the display unit. The second image data is transferred to the display unit.

Abstract: Methods and apparatus to identify media content using temporal signal characteristics are disclosed. An example method to identify media content includes receiving a reference signal corresponding to known media content and generating a reference signature based on the reference signal. The method further includes generating a plurality of sums based on peaks in the media signal and identifying one or more signal peaks based on the generated sums. The method then generates a second signature based on a plurality of normalized curve features, wherein each normalized curve feature corresponds to a signal peak at the temporal location of the signal peak, and determines whether the media signal corresponds to the reference signal based a comparison of the reference signature and the second signature.

Abstract: The object is to enable the user to selectively set the notification of a gamut error and notification deactivation condition. For this, a detection unit 3 detecting a gamut error of an input image signal, and a plurality of notifying units 5, 8 and 6, 9 and 11 notifying that a gamut error has occurred in different methods from each other are provided. And, a setting unit 15 carrying out the operation of setting which of these notifying units is to be caused to carry out notification and the operation of setting the condition for deactivating notification of a gamut error is provided. The information indicating the setting result by the setting unit 15 is stored in a storage unit 14.

Abstract: Embodiments of the invention provide a method and system for determining wireless channel interference in a television (TV) band white space spectrum. Upon sensing a signal on a wireless channel from a wireless white space device that transmits a unique device identifier, interference by the wireless white space device on the wireless channel is determined. A report of the channel interference by the wireless white space device is generated and may be utilized to cease the interference.