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- W2358137477 abstract "In the analyzing process of EZW algorithm,it is found that the current probability of zerotree root is gradually increased with the accumulation of continuous ordered scanning for the wavelet coefficients of image.In this paper,an improved EZW algorithm for the phenomenon of successive zerotree root is proposed.The improved algorithm uses six symbols instead of four symbols in EZW,and the newly-added symbols are used to avoid the successive appearance of zerotree roots.The symbol stream,produced by scanning,is coded with Huffman code and then Run-length code is used to recode the binary symbol stream and implement the amplitude quantization.Experimental results show that the improved algorithm could greatly reduce the number of zerotree roots through re-classifying the significant symbols,save the scanning time,and promote the compression ratio and coding efficiency while having no influence on other symbols." @default.
- W2358137477 created "2016-06-24" @default.
- W2358137477 creator A5080166516 @default.
- W2358137477 date "2013-01-01" @default.
- W2358137477 modified "2023-09-27" @default.
- W2358137477 title "An Improved Embedded Zerotree Wavelets Image Coding Algorithm" @default.
- W2358137477 hasPublicationYear "2013" @default.
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