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一种高效的抗误码能力强的图像编码方案

Keywords: 子波变换算术编码抗误码能力变系数定长编码

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Abstract:

提出了一种新的图像编码方案。对子波变换后的系数进行变系数定长编码,由符号概率表生成字典,并用类似算术编码的方法进行符号串和字典中码字的映射,同时采用一系列的纠错方法以进一步提高方案的抗误码能力。模拟结果表明,该方案与其他方案相比,具有压缩比高,抗误码能力强等优点。

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