A High Throughput No-Stall Golomb-Rice Hardware Decoder

Provided by: University of California, Los Angeles (Anderson)
Topic: Hardware
Format: PDF
Integer compression techniques can generally be classified as bit-wise and byte-wise approaches. Though at the cost of a larger processing time, bit-wise techniques typically result in a better compression ratio. The Golomb-Rice (GR) method is a bit-wise lossless technique applied to the compression of images, audio files and lists of inverted indices. However, since GR is a serial algorithm, decompression is regarded as a very slow process; to the best of their knowledge, all existing software and hardware native (non-modified) GR decoding engines operate bit-serially on the encoded stream.

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