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中文摘要：
针对JPEG2000中Tier1编解码算法的复杂度高和硬件实现困难，提出一种Tier1编解码复用的VLSI体系结构。该结构改进了传统的位平面扫描方法和Tier1串行解码模式，充分利用了硬件资源，在通道并行处理的基础上实现编解码复用，具有很高的编解码效率和资源利用率。
英文摘要：
Aiming at the complexity and difficulty for hardware implementation of the Tier1-coding in JPEG2000 system, a common architecture uniting encoder and decoder is presented. It improved the traditional bit-plane scanning technique and the Tier1＇s serial decoding mode for high-usage of circuit elements. Based on pass-parallel processing, this architecture has shared many hardware resources by multiplexing coding/decoding units, so as to reach high-speed and high elements-availablility ratio.
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