The deflation algorithm used by gzip (also zip and zlib) is an open-source, patent-free variation of the LZ77 (Lempel-Ziv 1977) algorithm.
gzip(也称zip或zlib)所使用的算法是开源、无专利的LZ77 (Lempel - Ziv 1977)算法的变体。
The gzip compressor is based on the DEFLATE lossless data compression algorithm, which USES a combination of the LZ77 algorithm and Huffman coding.
gzip压缩器基于deflate无损数据压缩算法,它使用LZ77算法和Huffman编码的组合。
To compress data, the LZ77 algorithm replaces portions of the data with references to matching data that has already passed through both the encoder and the decoder.
为了压缩数据,LZ 77算法使用对匹配数据的引用来取代数据部分。匹配数据已经通过编码器和解码器传递。
Then through experiments of comparing the improved algorithm with LZ77 and LZ78 in compression ratio and compression time, we conclude that the improved algorithm performs much better overall.
进而通过实验,将改进后的算法在压缩率和压缩时间上与LZ77和LZ78算法相比较,得出改进后算法在整体上的性能优于LZ77和LZ78。
Based on analysis of LZ77 compression algorithm, this paper discusses the effect of input error codes to the decoding wordbook and decompression data, and researches error code transmission issue.
分析了主流的LZ 77算法编译码原理,讨论了输入误码对译码字典和解压数据的影响,研究了误码传播问题。
Based on analysis of LZ77 compression algorithm, this paper discusses the effect of input error codes to the decoding wordbook and decompression data, and researches error code transmission issue.
分析了主流的LZ 77算法编译码原理,讨论了输入误码对译码字典和解压数据的影响,研究了误码传播问题。
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