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A Lossless Color Image Compression Architecture Using a Parallel Golomb-Rice Hardware CODEC

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5 Author(s)
Hong-Sik Kim ; Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea ; Joohong Lee ; Hyunjin Kim ; Sungho Kang
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In this paper, a high performance lossless color image compression and decompression architecture to reduce both memory requirement and bandwidth is proposed. The proposed architecture consists of differential-differential pulse coded modulation (DDPCM) and Golomb-Rice coding. The original image frame is organized as m by n sub-window arrays, to which DDPCM is applied to produce one seed and m × n - 1 pieces of differential data. Then the differential data are encoded using the Golomb-Rice algorithm to produce losslessly compressed data. According to the experimental results on benchmark images, the proposed architecture can guarantee high enough compression rate and throughput to perform real-time lossless CODEC operations with a reasonable hardware area.

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Circuits and Systems for Video Technology, IEEE Transactions on  (Volume:21 ,  Issue: 11 )