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Aggelos Katsaggelos
Taner Ozcelik, James C Brailean, Aggelos K Katsaggelos, Ozan Erdogan, Cheung Auyeung: Method and apparatus for spatially adaptive filtering for video encoding. Motorola, Northwestern University, Darleen J Stockley, June 9, 1998: US05764307 (29 worldwide citation)

The present invention provides a method (200) and an apparatus (100) for spatially adaptive filtering for video encoding. The apparatus filters a video sequence prior the encoding process. The apparatus comprises a noise variance determiner (102), a local variance determiner (104), a noise visibilit ...


2
Cem I Duruöz, Taner Ozcelik, Yoshinori Shimizu: Digital video decoding, buffering and frame-rate converting method and apparatus. Sony Corporation, Sony Electronics, Wood Herron & Evans, December 2, 2003: US06658056 (135 worldwide citation)

A digital video presentation system is provided with a decoder to decode full frame MPEG-2 video by a single method that applies regardless of buffer memory and frame rate conversion considerations. A display control module handles frame rate and field sequence in response to host configuration, par ...


3
Cem I Duruöz, Taner Ozcelik, Pattabiraman Subramanian, Yoshinori Shimizu, Takayuki Ishida: Trick playback of digital video data. Sony Corporation, Sony Electronics, Wood Herron & Evans, November 25, 2003: US06654539 (61 worldwide citation)

A single-chip application specific integrated circuit provides autonomous management of playback of digital video and audio. The chip includes a digital video decoder and output system, and a central processing unit controlling said digital video decoder and output system. The central processing uni ...


4
Cem I Duruöz, Taner Ozcelik, Yoshinori Shimizu: Digital video decoding, buffering and frame-rate converting method and apparatus. Sony Corporation, Sony Electronics, Wood Herron & Evans, February 19, 2008: US07333545 (42 worldwide citation)

A decoder decodes full frame MPEG-2 video by a single method that applies regardless of buffer memory and frame rate conversion considerations. A display control module handles frame rate and field sequence in response to host configuration, trick play command signals, and information in the receive ...


5
Taner Ozcelik, Shirish Gadre, Yew Koon Tan: Distributed extensible processing architecture for digital signal processing applications. Sony Corporation, Sony Electronics, Wood Herron&Evans L, March 21, 2000: US06041400 (42 worldwide citation)

A circuit arrangement and method utilize a distributed extensible processing architecture to allocate various DSP functions or operations between multiple processing cores disposed on an integrated circuit device. Each processing core includes one or more hardwired datapaths to provide one or more D ...


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James C Brailean, Taner Ozcelik, Aggelos K Katsaggelos: Method and system for estimating motion within a video sequence. Motorola, Darleen J Stockley, February 10, 1998: US05717463 (27 worldwide citation)

A method and system for estimating the motion within a video sequence provides very accurate estimates of both the displacement vector field, as well as, the boundaries of moving objects. The system comprises a preprocessor (102), a spatially adaptive pixel motion estimator (104), a motion boundary ...


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Subroto Bose, Shirish C Gadre, Taner Ozcelik, Edward J Paluch, Syed Reza: Motion compensated digital video decoding with buffered picture storage memory map. Sony Corporation, Sony Electronics, Wood Herron&Evans L, July 11, 2000: US06088047 (25 worldwide citation)

A digital video presentation system is provided with hardware and software logic for mapping the picture data into buffer memory in a way that permits both the reading of motion vector compensated macroblocks of data and the reading of horizontal picture wide scan lines with a low number of memory p ...


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Taner Ozcelik, Gong san Yu, Shirish C Gadre: Methods and apparatus for error concealment utilizing temporal domain motion vector estimation. Sony Corporation, Sony Electronics, Seong Kun Oh, Limbach & Limbach L, June 20, 2000: US06078616 (21 worldwide citation)

A method and apparatus for concealing errors during decoding of a video bit stream utilize estimates, if possible, motion vectors in the temporal domain. If estimation in the temporal domain is not possible, motion vectors are estimated in the spatial domain. A macroblock is then estimated based upo ...


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Cem Duruoz, Taner Ozcelik, Gong san Yu: Method and apparatus for a virtual system time clock for digital audio/video processor. Sony Corporation, Sony Electronics, Wood Herron & Evans L, March 26, 2002: US06363207 (19 worldwide citation)

A digital video processor and operating method for a receiving raw audio and video data representing images and sound to be played. The processor includes a demultiplexer for receiving the raw audio and video data and providing demultiplexed audio and video data to a memory. A first system time cloc ...


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Moshe Bublil, Subroto Bose, Shirish C Gadre, Taner Ozcelik: Special purpose processor for digital audio/video decoding. Sony Corporation, Sony Electronics Jointy, Wood Herron & Evans L, January 4, 2000: US06012137 (15 worldwide citation)

A special purpose reduced instruction set central processing unit (RISC CPU) for controlling digital audio/video decoding. The instruction set includes flow control instructions which incorporate immediate values, used to jump over a small number of instructions, and other instructions used for larg ...