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- W2071366504 abstract "The architecture for block-based video applications (e.g. MPEG/JPEG coding, graphics rendering) is usually based on a processor engine, connected to an external background SDRAM memory where reference images and data are stored. In this paper, we reduce the required memory bandwidth for MPEG coding up to 67% by identifying the optimal block configuration and applying embedded data compression up to a factor four. It is shown that independent compression of fixed-sized data blocks with a fixed compression ratio can decrease the memory bandwidth for a limited set of compression factors only. To achieve this result, we exploit the statistical properties of the burst-oriented data exchange to memory. It has been found that embedded compression is particularly attractive for bandwidth reduction when a compression ratio 2 or 4 is chosen. This moderate compression factor can be obtained with a low-cost compression scheme such as DPCM with a small acceptable loss of quality." @default.
- W2071366504 created "2016-06-24" @default.
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- W2071366504 date "2001-12-20" @default.
- W2071366504 modified "2023-09-23" @default.
- W2071366504 title "Compression for reduction of off-chip video bandwidth" @default.
- W2071366504 doi "https://doi.org/10.1117/12.451065" @default.
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