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Multi-mode Embedded Compression Algorithm and Architecture for Code-block Memory Size and Bandwidth Reduction in JPEG2000 System  

Son, Chang-Hoon (Department of Electronics and Computer Engineering, Chonnam National University)
Park, Seong-Mo (Department of Electronics and Computer Engineering, Chonnam National University)
Kim, Young-Min (Department of Electronics and Computer Engineering, Chonnam National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.46, no.8, 2009 , pp. 41-52 More about this Journal
Abstract
In Motion JPEG2000 encoding, huge bandwidth requirement of data memory access is the bottleneck in required system performance. For the alleviation of this bandwidth requirement, a new embedded compression(EC) algorithm with a little bit of image quality drop is devised. For both random accessibility and low latency, very simple and efficient entropy coding algorithm is proposed. We achieved significant memory bandwidth reductions (about 53${\sim}$81%) and reduced code-block memory to about half size through proposed multi-mode algorithms, without requiring any modification in JPEG2000 standard algorithm.
Keywords
Memory Size and Memory Bandwidth Reduction; Embedded Compression Algorithm; Multi-mode; JPEG2000; Discrete Wavelet transform;
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