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Document Title |
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7528844 |
Interpolation of plotted points between sample values
A video display for digitized video data interpolates values between time samples, such as luminance over a horizontal line or over an average of all the horizontal lines in a video signal, so as...
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6920180 |
Image processing inspection apparatus
In the present invention, the same image data, captured by a TV camera, is processed by the use of an image-processing board connected to an extension bus constituted by a personal computer and a...
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6753932 |
Method and apparatus for controlling convergence of color signals
An image processing apparatus is disclosed by which correction of convergence and correction of distortion of an image can be performed with a high degree of accuracy. Correction data to be used...
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6525773 |
Image processing device and method with data block flow control
An image processing device of the present invention includes a plurality of processing sections for successively receiving and decoding a plurality of data blocks, which have been obtained by...
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6515715 |
Method and system for code packing in a digital video system
New and improved methods and apparatus for code packing in a digital video system. Among others, a method of transferring a data block to a storage device is disclosed. The storage device can...
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6205181 |
Interleaved strip data storage system for video processing
A method and apparatus for storing a macroblock from a video data stream is disclosed. A macroblock is received, the macroblock having a plurality of blocks corresponding to a plurality of color...
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6104416 |
Tiling in picture memory mapping to minimize memory bandwidth in compression and decompression of data sequences
A method of storing a picture in a memory such that the latency of the memory can be reduced when retrieving a picture from the memory to be displayed while still reducing the bandwidth when...
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6052149 |
Method and apparatus for interleaving chrominance signals in a video signal processor
A video signal memory holds blocks of data representing luminance and first and second chrominance signals, the first and second chrominance signals being held in interleaved rows within the...
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5982425 |
Method and apparatus for draining video data from a planarized video buffer
A method and apparatus for draining video data from a planarized video buffer in a video camera. The method includes the steps of reading a first sequence of video data from a first plane of the...
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5920352 |
Image memory storage system and method for a block oriented image processing system
A multi-channel memory system for holding video image data employs a particular form of interleaving in each channel to achieve optimum performance. Data representing luminance and chrominance...
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5917478 |
Memory allocation method and apparatus for compression and decoding picture data
An information processing method used for compressing or decoding picture data wherein, in securing an area in which to store restored picture data, pre-set processing can be performed speedily...
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5838394 |
Picture storage device separates luminance signal into even number and odd number data and separates two channel color signal into former half pixels and latter half pixels
A picture storage device conveniently employed in conjunction with an electronic still camera or a video camera has an input data converting unit for separating luminance signals of input color...
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5710604 |
Video memory device for color-sequential-type displays
A field emission device (10) includes a video memory device (12) that receives video data in parallel for each of three colors red, green, and blue. The video memory device (12) provides the video...
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5706059 |
Motion estimation using a hierarchical search
A hierarchial search for moving image encoding determines a motion vector by comparing a target block to sets of blocks selected according to the results of previous comparisons. Typically, each...
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5680181 |
Method and apparatus for efficient motion vector detection
A method and apparatus for efficient motion vector detection is disclosed that provides an expanded search window with a plurality of motion processors. The internal search window of each motion...
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5623311 |
MPEG video decoder having a high bandwidth memory
A decoder for a video signal encoded according to the MPEG-2 standard includes a single high-bandwidth memory and a digital phase-locked loop. This memory has a single memory port. The memory is...
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5557332 |
Apparatus and method for reproducing a prediction-encoded video signal
A digital video signal that has been encoded using motion-compensated prediction, transform encoding, and variable-length coding, is decoded using parallel processing. Frames of the video signal...
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5557426 |
Image information signal processing apparatus
An image information signal processing apparatus for processing a first image information signal having at least a first image signal and a second image signal which is different from the first...
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5541658 |
Image coding-decoding apparatus with efficient memory access
An image coding and decoding apparatus which can produce an improved amount of the effective data per time unit especially in a case where the image data are processed in the field unit. The...
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5528380 |
Apparatus and method for synchronizing picture signals
An apparatus for synchronizing a plurality of signals forming a picture signal is provided. The plurality of signals include at least two types of signals, each having a predetermined time unit....
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5526057 |
Video storage
A video storage arrangement produces a continuous video signal representing a test pattern. One luminance frame store is provided and two chrominance frame stores. A selection can be made between...
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5488432 |
Video signal processing method for changing a video signal display format
The present invention concerns a processing method for a video signal coded in the form of blocks of K words, this signal being written to or read from two frame memories (FM1, FM2) each including...
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5450130 |
Method and system for cell based image data compression
A method and system for compressing color video or other image data for transmission over a low cost, low bandwidth bus (or other transmission link). Preferred embodiments implement lossless...
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5416510 |
Camera controller for stereoscopic video system
A method and apparatus for time multiplexing and demultiplexing two channels of picture information within a standard video channel. The method is specifically designed for field sequential...
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5379071 |
Method of encoding a location of changes in a sequence of video images
The present invention divides a video frame into a series of smaller and smaller quadrants until reaching a single pixel size. By issuing a series of commands, a logical cursor moves within the...
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5311303 |
Image processing apparatus having a memory for storing information relating to color
At the time of registration, an image processing apparatus registers color information (R, G, B) from a host computer as permanently registered information in a buffer and as temporarily registered...
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5068650 |
Memory system for high definition television display
A system for combining a plurality of video signals and various forms of still imagery such as text or graphics into a single high resolution display is disclosed. The inventive system utilizes a...
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5059955 |
Apparatus for producing video signals
In an apparatus for producing video signals in which a memory storing color data is addressed with an address signal determined by video data to produce color data, an analog RGB signal producing...
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5053863 |
Circuit for processing digital video signals
A P/S converter converts parallel digital video signals such as a luminance signal Y and color difference signals R-Y and B-Y to serial digital video signals which are written into a semiconductor...
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5053864 |
Video capture, compression and display system, including averaging of chrominance information
The system is controlled by a control receiver receiving commands from the external computer across a primary control bus. A captured unit captures digital samples from a composite video signal and...
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5021873 |
Image signal processor
An image signal processor includes a memory device for storing an image signal representative of a picture during one field period, an operating unit for generating a READ-OUT command necessary to...
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5005073 |
Demultiplexer for providing a color television signal having an increased image frequency
In order to achieve a qualitative improvement of television images through increased image frequency with simultaneously increased resolution, a high storage capacity is needed. In order to process...
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4907070 |
Time base corrector with memory mapped system control
A time base corrector is comprised of a plurality of system function modules implementing the functions for time base correcting an analog composite color video signal with a stable reference video...
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4870479 |
Video graphics memory storage reduction technique
A video graphics memory storage reduction technique combines a frame buffer memory system with a run length encoded memory system by providing a luminance/chrominance decoder/multiplexer to convert...
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4777481 |
Display processor for image data with non-constant pixel size for chromatic values
The invention is embodied in a system comprising image memory and a display processor that automatically processes video data which alternate between having chrominance pixels of greater area than...
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4772938 |
Color video signal frame store
Color video signal apparatus includes a digital memory for storing a frame of color video signal in a fast and efficient manner. A composite color video signal is separated into a luminance and two...
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4758881 |
Still video frame store memory
A still video frame store memory includes four banks of random access memory storing two-byte words, the luminance data being stored in the high bytes of all banks and two chrominance difference...
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4745462 |
Image storage using separately scanned color component variables
Computer main memory is used for storing relatively densely sampled green and detail information concerning a television display and for storing relatively sparsely sampled red information and blue...
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4743970 |
Picture transformation memory
A picture transformation memory has three field stores which rotatively store a next field of video data, output a prior field of video data and output a current field of video data to provide a...
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4740832 |
Image storage using separately scanned luminance and chrominance variables
Computer main memory is used for storing relatively densely sampled luminance information concerning a television display and for storing relatively sparsely sampled chrominance information...
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4736239 |
Image storage using separately scanned wideband and narrowband variables
Computer main memory is used for storing relatively densely sampled wideband video information concerning a television display and for storing relatively sparsely sampled narrowband video...
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4719503 |
Display processor with color matrixing circuitry and two map memories storing chrominance-only data
A display processor using first and second chrominance map memories for storing values of first and second color-difference signals, each normalized respective to luminance signal. An image memory...
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4689660 |
Video signal storage apparatus for NTSC system
A television video signal storage apparatus for storing an NTSC digital chrominance signal so as to facilitate further processing thereof. The signal is sampled at a sampling frequency 2n times the...
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4675833 |
Processor controlled photocomposition system
A photocomposition system operating under microprocessor control to load, and alternatively display, character data from two respective bit maps. The data is assembled in the bit maps as a series...
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4549201 |
Circuit arrangement for digitizing and storing color video signal
An input composite color video signal is processed to derive a luminance signal and three primary color signals first, and then only a high frequency component of the luminance signal is A/D...
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4356507 |
Method and apparatus for digital television error correction without overhead bits
Method and apparatus for detecting and significantly correcting bit errors in a pulse code modulated television signal which recognizes the unique spectral characteristics of isolated bit errors in...
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4127865 |
System and method for decoding time-division-multiplexed color T.V. signals
A color T.V. signal includes first and second color-information signals time-division-multiplexed in alternate horizontal line intervals. The first and second signals are written-in in alternation...
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