Entropy coding system

阅读:589发布:2022-09-27

专利汇可以提供Entropy coding system专利检索,专利查询,专利分析的服务。并且PURPOSE:To reduce the number of total bits after coding and to improve coding efficiency, by run length-coding insignificant data and Huffman-coding significant data through the use of different coding tables in a case when it is in immediately after insignificant data and in a case when it is not. CONSTITUTION:A picture coding circuit 1 executes prediction coding, and generates coding data from an input picture signal so as to output it. A first Huffman coding circuit 4 variable-length codes significant data which is not immediately after insignificant data by using a first Huffman coding table 5. A run-length coding circuit 7 variable-length-codes zero run length data by using a zero run length coding table 8. A second Huffman coding circuit 9 variable-length-codes significant data immediately after insignificant data by using a second Huffman coding table 10. A code selector 11 selects the outputs of respective coding circuits 4, 7 and 9. Thus, the number of total bits after coding can be reduced.,下面是Entropy coding system专利的具体信息内容。

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