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Joel Walter Zdepski, Howard Geza Page: Method and apparatus for operating a transactional server in a proprietary database environment. Thomson Consumer Electronics, Jeffrey D Carter, Bruce J Bowman, October 20, 1998: US05825884 (307 worldwide citation)

A transactional server system for transferring subscriber information requests to information service providers, and methods of operating the same result in discouraging reconstruction of the subscriber information. The transactional server system comprises a subscriber platform which transfers an e ...


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Wilson Kwok, Joel Walter Zdepski, Huifang Sun: Method and apparatus for scaling a compressed video bitstream. RCA Thomson Licensing Corporation, Joseph S Tripoli, Eric P Herrmann, Ronald H Kurdyla, March 30, 1999: US05889561 (34 worldwide citation)

A method and apparatus for scaling the bitstream of a compressed video signal includes partial decoding hardware (38, 41) to permit excising of higher frequency AC DCT coefficients or re-quantizing quantized data with a coarser quantization factor. The scaling is performed on a block (macroblock) ba ...


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Tihao Chiang, Huifang Sun, Joel Walter Zdepski: System for processing data in variable segments and with variable data resolution. Thomson multimedia, Joseph S Tripoli, Ronald H Kurdyla, Alexander J Burke, October 27, 1998: US05828788 (34 worldwide citation)

A dynamically configurable video signal processing system partitions and encodes data using a variable number of data segments and variable data resolution. The system partitions data into a variable number of data segments by predicting, as a function of the data rate, first and second distortion f ...


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Tihao Chiang, Huifang Sun, Joel Walter Zdepski: System for encoding and decoding layered compressed video data. Thomson Licensing, Joseph S Tripoli, Ronald H Kurdyla, Guy H Eriksen, April 22, 2003: US06553072 (24 worldwide citation)

A dynamically configurable video signal processing system including an encoder and decoder processes data in the form of hierarchical layers. The system partitions data between hierarchical layers and allows variation in the number of layers employed. Data is automatically partitioned into one or mo ...


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Joel Walter Zdepski, Alain Michel Delpuch: Method and apparatus for successive refinement of broadcasted video frames. Sun Microsystems, Thomson Consumer Electronics, Daniel Peninsula Law Group Hopen, March 23, 1999: US05886733 (20 worldwide citation)

An apparatus for successive refinement of video frames, and methods of operating the same result in reduced latency for downloading the video frames. The apparatus for transmitting video frames comprises a plurality of video frames encoded to provide a plurality of program modules. A first program m ...


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Joel Walter Zdepski: Apparatus for synchronizing a signal receiving system. Rca Thomson Licensing Corporation, February 11, 1998: TW326611 (1 worldwide citation)

An apparatus for synchronizing at least a part of compressed video signal receiving system which processes compressed signal happening in transmission packet of compressed video signal, in which among the transmission packet identifiers include program clock parameter with count value periodically f ...


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Joel Walter Zdepski: Synchromization arrangement for a compressed video signal. Rca Thomson Licensing Corporation, WANG YUE ZHANG ZHIXING, March 29, 1995: CN94105749

Apparatus for developing synchronization of an intermediate layer of signal such as the transport or multiplex layer of a multi-layered compressed video signal, includes at the encoding end of the system apparatus for including a time stamp reference and provision for a differential time stamp which ...


9
Joel Walter Zdepski, Joshua Lawrence Koslov: Technique for actv side-panel noise reduction. General Electric Co, CAO JIHONG XU XINGEN, May 30, 1990: CN89106013

A video signal processing system employs an amplitude compander for reducing the effects of transmission noise. The compander includes a transmitter nonlinear amplitude compressor for amplifying small signals and compressing large signals. The transmitter duplicates certain receiver processing circu ...


10
Joel Walter Zdepski, Joshua Lawrence Koslov: Adaptive video signal noise reduction system. General Electric Co, GUO WEIGANG CAO JIHONG, April 17, 1991: CN90107012

A video signal transmission system includes adaptive compansion circuitry to improve the signal-to-noise ratio of transmitted signals. A compandor (510) at the transmitter, and corresponding inverse compandor (600) at the receiver, are arranged to have a plurality of selectable compansion transfer c ...



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