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高性能的字级顺序和并行的位平面编码方法及其结构 被引量:4

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摘要 提出一种新的实现字级顺序和并行编码的高性能位平面编码方法及其VLSI结构.新的位平面编码方法采用编码通道预测技术和并行流水线技术来有效减少对存储器的访问和增加系统的并行处理能力,经由一次扫描可实现对一个子块内全部系数所有位样本的编码.提出了一种新的实现字级顺序编码的并行位平面编码结构和一种多字并行的高速结构.比较最新的设计,新的字级并行结构在实现单时钟周期完成1个系数编码的情形下,能够更加有效地减少硬件成本.新的多字并行高速结构通过采用高度的并行处理技术,能够在单时钟周期完成对一个条带列4个系数的编码,完成一个N×N子块系数的编码只需约N2/4个时钟周期.理论分析和实验结果表明,新的实现具有高速的数据处理能力和良好的性价比,可有效地应用于低功耗系统的设计.
出处 《中国科学(E辑)》 CSCD 北大核心 2008年第4期519-532,共14页 Science in China(Series E)
基金 国家自然科学基金(批准号:60572048) 国家高技术研究发展计划基金(批准号:2004AA119010-6) 国防科技工业民用专项研究项目(批准号:C1120061304) 湖北省自然科学基金(批准号:2006ABA370)资助项目
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共引文献16

同被引文献25

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