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Huffman编码的优化 被引量:2

The Optimization of Huffman Coding
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摘要 对图像压缩中常用的Huffman编码进行讨论,给出了在多种Huffman编码中寻找平均偏离方差最小的一种编码方法,以提高数据传输的准确率,同时在数据接收中减小数据缓冲器容量. The method of Huffman coding that is frequently used in image compression is discussed. A method of finding the Huffman code with the lowest average deviate variance among various Huffman codes is provided, so the accuracy of data transfer is improved and the size of the data buffers during the process of data receiving is reduced.
出处 《河北师范大学学报(自然科学版)》 CAS 北大核心 2006年第1期29-32,共4页 Journal of Hebei Normal University:Natural Science
关键词 HUFFMAN编码 图像熵 平均码字长度 平均偏离方差 图像灰度级 Huffman coding image entropy average code length average deviate variance image gray level
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参考文献1

  • 1SIEMINSKI A. Fast Decoding of the Huffman Codes[M]. Amsterdam: Information Processing Lettres, 1988.

同被引文献14

  • 1李伟生,李域,王涛.一种不用建造Huffman树的高效Huffman编码算法[J].中国图象图形学报(A辑),2005,10(3):382-387. 被引量:15
  • 2张全伙,于洪斌,林榆.优化哈夫曼编码数据压缩技术及程序实现[J].华侨大学学报(自然科学版),1995,16(3):344-348. 被引量:4
  • 3朱怀宏 吴楠 夏黎春.利用优化Huffman编码进行数据压缩的探索.微机发展,2004,(6):1-6.
  • 4Manoj Aggurwul, Ajui Nuruyun. Efficient Huffman Decoding. Applied Physics Letters,2000.
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  • 9Agrawal R,Gehrke J,Gunopulos D,et al.Automatic subspace clustering of high dimensional data[J].Data Mining and Knowledge Discovery,2005,11(1):5-33.
  • 10包尔固德,李伟生.一种基于浓缩Huffman表的Huffman算法的研究与实现[J].微电子学与计算机,2007,24(11):31-33. 被引量:2

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