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7313184 |
Video data compression apparatus and method of same
When repeatedly performing compression and encoding of video data, automatically detecting a previous picture type at an encoder side and performing the compression and encoding by matching GOP...
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EP1806067A1 |
DESK
A top plate is supported while being greatly projected forward of leg bodies, which forms a large lower leg space under the top plate. Upper ends of left and right leg bodies (2) having, at their...
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7218680 |
Retransmission techniques for enhanced performance in fading wireless communication channels
A desired bit sequence (x) can be communicated over a wireless communication link ( 15 ) by including the desired bit sequence in each of a plurality of transmissions over the wireless...
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7035215 |
Method for synchronization adaptation of asynchronous digital data streams
The present invention proposes a method for synchronization adaptation of asynchronous digital data streams comprising the steps of providing a first digital data stream (PCM_IN) at a first sample...
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6990147 |
Generating a non-progressive dummy bidirectional predictive picture
The invention concerns a method ( 200 ) and system ( 100 ) for generating a dummy bidirectional predictive picture which can be repeated during display with substantially no vibration in which the...
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RE38871 |
Data receiving apparatus and method
The present invention is to provide a decoder which detects a start code in a layered coded data stream on a layer basis for improving an error detecting function to reduce possible damaging...
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6894973 |
Fair bandwidth sharing for video traffic sources using distributed feedback control
An apparatus and a smethod providing fair bandwidth sharing by adjusting video image quality in a data packet network comprises a network load detection means for detecting a network load and a...
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6687407 |
Quantization table adjustment
The application discloses a media processing method that includes accessing a compressed image data set representing a time series of different compressed video images. These video images have been...
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6636565 |
Method for concealing error
A moving picture compression/decompression system utilizes a method for concealing errors in a received picture. A macro block, lost due to an error, is compensated using either a temporal or...
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6611561 |
Video coding
A methodic and apparatus for video decoding including receiving encoded video data; decoding the video data to form decoded video data and determining if the decoded the video data contains an...
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6594790 |
Decoding apparatus, coding apparatus, and transmission system employing two intra-frame error concealment methods
In a system that divides data frames into blocks and codes at least some of the blocks by intra-frame coding, errors in decoding these blocks are concealed by two methods: replacement of the...
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6553142 |
Quantization table adjustment
The method for adjusting quality during image capture includes computing a discrete cosine transform of a digital image to create DCT coefficients. A quantization table is generated that specifies...
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6535525 |
Method of transmitting streams of video data, in multi-length frames, at a single average bit rate
Multiple streams of digital video data are partitioned into frames of at least two different lengths, where each frame length is an integer multiple times a minimum frame length. Each frame is...
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6507584 |
ATM switch
An ATM switch that can be expanded to form a large scale ATM switch with minimal hardware additions. The ATM switch includes a plurality of ATM switch units arranged in parallel, a plurality of...
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6445717 |
System for recovering lost information in a data stream
Data which is transmitted over the internet or other transmission networks is first divided up into individual information packets, transmitted and then reassembled into useful data after...
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6426974 |
Image conversion apparatus for transforming compressed image data of different resolutions wherein side information is scaled
An image conversion apparatus for converting and outputting the spatial resolution, temporal resolution, or image quality of compressed image data input thereto is provided. A compression-coded...
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EP0782346B1 |
Demultiplexing device for a digital television system
Abstract of EP0782346 The demultiplexer includes a memory (4) which stores a flow of multiplexed data and a programmable memory device (8) which filters the data. These components are associated...
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6163573 |
Equipment and method for compressing picture data
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6125141 |
Device and method for detecting motion vectors
A motion vector detecting device re-arranges the pixel values which make up an initial block for color-difference signals, allowing for their superimposition, to produce a new color-difference...
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6124995 |
Fixed bit-rate encoding method and apparatus therefor, and tracking method for high-speed search using the same
In a fixed bit-rate encoding method, a unit block composed of a predetermined number of transform blocks is constructed by dividing input image data into transform blocks and a unit for fixing the...
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6118444 |
Media composition system with enhanced user interface features
Media composer for editing source material. The media composer includes apparatus for receiving digitizing, storing and editing video and audio source material. Computing apparatus manipulates the...
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6075768 |
Fair bandwidth sharing for video traffic sources using distributed feedback control
An apparatus and method providing fair bandwidth sharing by adjusting video image quality in a data packet network includes a network load detector for detecting a network load and a video encoding...
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6072836 |
Adaptive video compression and decompression
Apparatus that compresses video data using a compression coder having control registers loaded with compression parameters, the apparatus being controlled to sense the size of compressed video data...
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6067654 |
ATM switch and control method thereof
An ATM switch including ECC encoder circuits each for generating, for an ATM cell as an information symbol, an ECC check symbol and for adding the ECC check symbol thereto, cell partitioning...
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EP0651584B1 |
Data receiving apparatus and method
Abstract of EP0651584 The present invention is to provide a decoder which detects a start code in a layered coded data stream on a layer basis for improving an error detecting function to reduce...
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6026200 |
Motion image communicating system and image restoring method and apparatus therefor
An image restoring apparatus is provided that can restore an image disturbed by transmission error to a natural image in real time even if the transmission error occurs frequently. The image...
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6023531 |
Quantization table adjustment
The method for adjusting quality during image capture includes computing a discrete cosine transform of a digital image to create DCT coefficients. A quantization table is generated that specifies...
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RE36507 |
Apparatus and method for processing groups of fields in a video data compression system to encode a single frame as an I-field and a P-field
A video compression system which is based on the image data compression system developed by the Motion Picture Experts Group (MPEG) uses various group-of-fields configurations to reduce the number...
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6005623 |
Image conversion apparatus for transforming compressed image data of different resolutions wherein side information is scaled
An image conversion apparatus for converting and outputting the spatial resolution, temporal resolution, or image quality of compressed image data input thereto is provided. A compression-coded...
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5983386 |
ATM switch and control method thereof
An ATM switch including ECC encoder circuits each for generating, for an ATM cell as an information symbol, an ECC check symbol and for adding the ECC check symbol thereto, cell partitioning...
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5940130 |
Video transcoder with by-pass transfer of extracted motion compensation data
A transcoder for the conversion of video signals between a first and a second coding scheme employing motion compensation comprises a decoder (28) for decoding a received data stream encoded...
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5926223 |
Adaptive video decompression
A method of decoding data packets of an encoded video program using a decoder that is controlled by decoding parameters loaded into control registers, the method including sequentially acquiring...
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5912697 |
Video mail system capable of transferring large quantities of data without hampering other data transmissions
In a data transfer system, a transmission terminal is provided with a transmission unit and a divisional transmission unit. A server station is provided with mailboxes, a transmission/reception...
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RE36015 |
Apparatus and method for processing groups of fields in a video data compression system
A video compression system which is based on the image data compression system developed by the Motion Picture Experts Group (MPEG) uses various group-of-fields configurations to reduce the number...
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5835591 |
Demultiplexing device
The object of the invention is a demultiplexing device. This device is characterized in that it comprises means for storing data of a multiplexed data stream (4), programmable means for storing...
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5831688 |
Image coded data re-encoding apparatus
A image coded data re-encoding apparatus for regenerated image coded data for transmission or storing by re-encoding decoded image data according to the present invention comprises an image decoder...
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5825765 |
Communication network based on ATM for general purpose computers
The present inventions pertains to a communication network. The communication network comprises an ATM network. The communication network also comprises at least two general purpose computers. Each...
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5818853 |
ATM switch and control method thereof
An ATM switch including ECC encoder circuits each for generating, for an ATM cell as an information symbol, an ECC check symbol and for adding the ECC check symbol thereto, cell partitioning...
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5777812 |
Fixed bit-rate encoding method and apparatus therefor, and tracking method for high-speed search using the same
In a fixed bit-rate encoding method, a unit block composed of a predetermined number of transform blocks is constructed by dividing input image data into transform blocks and a unit for fixing the...
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5764658 |
Data receiving apparatus and method
The present invention is to provide a decoder which detects a start code in a layered coded data stream on a layer basis for improving an error detecting function to reduce possible damaging...
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5745169 |
Detecting errors in video images
An error is identified in a video image by calculating frequency-related coefficients for blocks of the image and considering the statistical distribution of said coefficients. The variance of the...
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5657399 |
Encoding/decoding apparatus using quantizing steps information
In an encoder/decoder, a quantizer quantizes input image information, and a coefficient generator generates coefficient information for determining quantization steps of the quantizer. An encoder...
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EP0782346A1 |
Demultiplexing device for a digital television system
The demultiplexer includes a memory (4) which stores a flow of multiplexed data and a programmable memory device (8) which filters the data. These components are associated with a comparator (19)...
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5627836 |
VPI/VCI administration
In a network utilizing asynchronous transport mode (ATM) transport and/or switching, the VPI/VCI values have meaning beyond the boundaries of each individual ATM processing element. At the very...
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5598215 |
Moving image encoder and decoder using contour extraction
A moving image transmission method encodes and decodes information to obtain a high transmission efficiency. The coding method calculates motion parameters of each segment of an image and segment...
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5583863 |
Full service network using asynchronous transfer mode multiplexing
An arrangement for transporting digital broadband data output in Asynchronous Transfer Mode (ATM) cell streams from a plurality of video information service providers (VIPs) to a plurality of...
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5577190 |
Media editing system with adjustable source material compression
A media editing system for editing source material comprising digitizing apparatus for receiving and digitizing video and audio source material, the video source material including a sequence of...
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5576766 |
Moving picture encoder
A moving picture encoder which is able to improve the encoding efficiency wherein a controller controls an inter/intra mode switch for generating intra and inter signals Y2 and Y4, these signals...
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5557621 |
ATM switch and control method thereof
An ATM switch including ECC encoder circuits each for generating, for an ATM cell as an information symbol, an ECC check symbol and for adding the ECC check symbol thereto, cell partitioning...
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5541659 |
Picture signal coding/decoding method and device using thereof
In a picture signal coding/decoding method and a picture signal coding/decoding device, the compressibility and visual picture quality of the picture pattern whose inter field correlation of high...
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