Abstract: A television band device has DTV pilot signal detection logic that generates DTV pilot signal detection decisions associated with a monitored television channel. A wireless microphone detection logic generates wireless microphone detection decisions associated with the monitored television channel. A sensing manager receives DTV pilot signal detection decisions and the wireless microphone detection decisions and analyzes at least one the respective decisions to determine whether the monitored television channel is available white space.

Abstract: A method of processing on screen display data with an image post processor includes receiving a data stream from a video processor at a post processing device having at least one port, the data stream including on screen display data overlaid on a white background and the on screen display data overlaid on a black background, finding a difference between the on screen display data overlaid on white and the on screen display data overlaid on black, using the difference to determine a complement of an alpha blend value, performing image processing on the image data with the post processor by applying the complement of an alpha blend value to the image data to produce processed image data, and transmitting the processed image data and the on screen display data through a display port.

Abstract: A system and method are disclosed for receiving a group of video channels at a client device, selecting a display set from the group of channels, and sending a communication to a display for displaying each channel in the display set in parallel wherein each one of the channels in the display set is displayed in one of a plurality of picture in picture (PIP) displays for a predetermined time.

Abstract: A parameter for determining a chrominance correction curve for use in correcting the chrominance component of each pixel is determined from one or more parameters for determining a luminance correction curve for use in correcting luminance applied to the entirety of one frame of motion picture data. The chrominance component of each pixel is corrected using the chrominance correction curve.

Abstract: Various disclosed embodiments included systems and methods which allow two persons in different locations to enjoy a synchronized and shared viewing experience of original content that has been edited differently for broadcast in each location. Closed captioning text data to identify synchronization points in the broadcasts and used to provide synchronization services between the two broadcasts.

Abstract: When a format of a video signal or an audio signal received by a receiver of a video/audio signal input/output device is switched by a channel selecting operation by a user, a format determiner determines an output format. An output format communicator transmits format information indicating the output format to a video/audio reproduction device through a communicator. After a converter switches the output format, the communicator transmits the video signal and the audio signal to the video/audio reproduction device. When a communicator of the video/audio reproduction device receives the format information, a format switcher switches reproduction setting of a display based on the format information. After that, when the communicator receives the video signal and the audio signal, the display reproduces video and audio.

Abstract: A display apparatus includes a display; a receiver which receives a broadcasting signal including a program with a data format; an image processing part which processes the received program according to an available data format; and a controller which controls the image processing part to display a message informing that both data formats are not matched on the display if the data format of the received program is not matched with the available data format to be processed by the image processing part.

Abstract: A noise reduction method for reducing noise in an input video signal to output an output video signal includes the steps of generating a motion-compensated reference video signal from the output video signal; delaying the output video signal to generate a non-motion-compensated reference video signal; mixing the motion-compensated reference video signal with the non-motion-compensated reference video signal to generate a reference video signal; subtracting the generated reference video signal from the input video signal to generate a differential signal; compensating the differential signal to generate a noise reduction signal; and subtracting the noise reduction signal from the input video signal.

Abstract: An image display device for displaying a main image and an auxiliary image that is combined with the main image in an auxiliary-image composite region of the main image, includes: a moving object detecting unit that detects a moving object which relatively moves in the main image; and a composite region determining unit that predicts a moving-object moving region, into which the moving object will move in the main image, based on a moving direction of the detected moving object, and determines the auxiliary-image composite region based on information relating to the moving-object moving region.

Abstract: Embodiments of the invention are directed to a system and method for controlling visual parameters of a capturing device to minimize clipping and saturation according to predefined parameters. The method may include processing pixel values of a current input frame of a received video signal captured by a capturing device; accumulating processing results of the current input frame to processing results of one or more previous input frames and calculating a desired dynamic range based on pre-determined user parameters. The processing may further include checking if the accumulated results are within the desired dynamic range and determining if adjustment is desired. If the accumulated results are not within the desired dynamic range, adjusting visual parameters for a subsequent input frame, by controlling the capturing device and if the accumulated results are within the desired dynamic range maintaining current visual parameters of the current input frame for the subsequent input frame.

Abstract: A system and method for determining a pixel characteristic of pixels in interpolated frames. Preceding and successive frames are evaluated to determine if there is a frame-wide change occurring to the pixels. To the extent there is a frame-wide change, the pixel characteristic in interpolated frames is accommodated by the frame-wide change. In one implementation, frame-wide changes in luminance, such as fade in and fade out, are detected and the pixel characteristic of pixels in the interpolated frame is determined based at least in part on fallback techniques rather than motion compensation interpolation.

Abstract: A method of raster-scan search for multi-region OSD and a system using the same are provided. The multi-region OSD is to be displayed on a screen after an alpha-blending of a mixer. The method includes at least following procedures. First, a global header search is executed in the first memory module for each or a portion of a plurality of search lines so as to determine a blending region and store header addresses of OSD regions in a second memory module. Next, whether there is a dummy region at the search line is determined. In addition, an alpha value for the dummy region, a dummy data of the dummy region and the OSD data of the OSD regions at the search line are transmitted to the mixer.

Abstract: An HDMI(R) source determines whether or not an HDMI(R) sink can receive a sub-signal based on VSDB of E-EDID. When the HDMI(R) sink can receive the sub-signal, the HDMI(R) source adds a sub-signal to pixel data of a main image composed of pixel data whose number of bits is smaller than that of transmission pixel data transmitted by a transmitter, thereby constructing transmission pixel data. This data is transmitted by the transmitter through TMDS channels #0 to #2. Furthermore, the HDMI(R) source transmits a general control packet containing sub-signal information indicating whether or not the sub-signal is contained in the transmission pixel data in the control period of a vertical blanking period. The present invention can be applied to, for example, HDMI(R).

Abstract: A projection system with one or more light sources reduced power consumption and optional scanning capability is disclosed. A controller processes image data to generate light source control signals and pixel screen control signals which are coordinated to generate an image. Reductions in power consumption occur by matching the light output from the light source to the brightest pixel(s) in the pixel screen for a particular frame. By setting the light output level to an intensity or duration matched to only the maximum level corresponding to a image frame, power consumption is reduced as compared to an embodiment which sets the light source output to its maximum level or maximum duration. The pixel screen, which may be an LCD screen, sets pixel areas corresponding to the brightest pixels as transparent and other, less bring pixels on the pixel screen are set to appropriate levels of reduced transparency.

Abstract: An electronic device is electrically connected to an external electronic device. The electronic device includes an assignment component, a memory component and a control component. The assignment component is configured to assign control codes that control operations of the external electronic device to a plurality of control keys of a remote control to generate assignment information indicating corresponding relationship between the control codes and the control keys of the remote control. The memory component is configured to store the assignment information generated by the assignment component. The control component is configured to control the external electronic device based on the assignment information stored in the memory component when the control component receives an operation signal indicating that one of the control keys of the remote control is operated.

Abstract: Disclosed is an automatic video gain control circuit, which includes an analog to digital converter, an envelope detector and an extreme value detector. The analog to digital converter converts an analog video signal to a digital video signal. The envelope detector detects a baseband amplitude signal according to the digital video signal. The extreme value detector generates an extreme value to control RF signal gain.

Abstract: In a closed caption production device, video recognition processing of an input video signal is performed by a video recognizer. This causes a working object in video to be recognized. In addition, a sound recognizer performs sound recognition processing of an input sound signal. This causes a position of a sound source to be estimated. A controller performs linking processing by comparing information of the working object recognized by the video recognition processing with positional information of the sound source estimated by the sound recognition processing. This causes a position of a closed caption produced based on the sound signal to be set in the vicinity of the working object in the video.

Abstract: A method includes receiving a digital video segment simulating motion at one speed, the frames in the segment spaced at a uniform time interval. The method further includes receiving a desired speed of motion, determining the appropriate uniform time interval corresponding to the desired speed, and generating a frame sequence simulating the motion at the desired speed, the frames in the generated sequence spaced at the determined appropriate uniform time interval. If the generated frame sequence includes a frame from the original segment, then only frames from the original segment are included in the generated frame sequence, and if the generated frame sequence includes an interpolated frame then only interpolated frames are included in the generated frame sequence.

Abstract: A system, method and computer program product are provided. After receipt of visual data, an aspect of the frequency response associated with the visual data is changed. Thereafter, subsequent processing is performed on the visual data, based on information extracted from and related to the aspect of the frequency response change.

Abstract: An apparatus for creating an interpolation frame includes a first computing unit that computes a first motion vector in relation to a first block in a first reference frame, a second extracting unit that extracts a second block in a second reference frame based on the first motion vector, a first calculating unit that calculates a correlation between the first block and the second block, a third extracting unit that extracts a third block that is shifted from the second block by a certain number of pixels, a second calculating unit that calculates a correlation between the first block and the third block, and a third computing unit that computes a motion vector for an interpolation block based on a most-highly correlated block-pair.