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- W2023054518 abstract "A video codec based on several parallel digital signal processors is described. The digital signal processors (DSPs) can be easily programmed to implement the H.261 algorithm and are organized as a single instruction multiple data (SIMD) computing architecture. Both the encoder and the decoder divide a picture in regions of horizontal strips and use one local processor per region. These local processors code (decode) one horizontal strip of data which, using the terminology of the H.261 standard, corresponds to two group of blocks (GOBs). They also communicate to a central processor which multiplexes (demultiplexes) the coded data from (for) the processors in the encoder (decoder). In the case of the encoder the central processor also controls a data buffer for bit-rate adaptation. Lateral communication between adjacent processors is implemented to allow comparisons between blocks situated in neighbouring regions, as required by most motion estimation algorithms." @default.
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- W2023054518 date "1990-09-01" @default.
- W2023054518 modified "2023-10-17" @default.
- W2023054518 title "<title>Parallel architecture for real-time video communications</title>" @default.
- W2023054518 doi "https://doi.org/10.1117/12.35126" @default.
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