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This program Compress and recostruct using wavelets. We can select level of decomposition(here maximum 4 levels are given) of images using selected wavelet. For eg:-wavelets can be haar, db1, db2,dmey............... Decomposition can be viewed in figure. (Please note that select 256X256 image for better result.) Then Compression can performed, PERFL2 give Compression score. Then reconstruction can be performed. Each decompsition we can choose different threshold values. For each threshold value we can calculate mse,psnr,pq(picture quality), bit ratio etc. To get pq install pqs function .
標(biāo)簽： decomposition recostruct Compress wavelets
上傳時間： 2016-01-22
上傳用戶：liuchee
Compress - SuperFast Packer v.3.0.zip
標(biāo)簽： SuperFast Compress Packer zip
上傳時間： 2016-01-27
上傳用戶：xaijhqx
I ve written some many years ago dynamic Huffman algorithm to Compress and deCompress data. It is mainly targeted to data with some symbols occuring more often than the rest (e.g. having some data file consisted of 3 different symbols and their total number of occurence in that file s1(1000), s2(200), s3(30) so the total length of file is 1000+200+30=1230 bytes, it will be encoded assigning one bit to s1 and 2 bits to s2, s3 so the encoded length will be 1*1000+2*(200+30)=1460 bits=182 bytes). In the best case the file consisted of just one symbol will be encoded with Compression ratio as 1:8. Huffman coding is used in image Compression, however in JPEG2000 arithmetic codec is imployed.
標(biāo)簽： deCompress algorithm Compress Huffman
上傳時間： 2016-05-16
上傳用戶：aysyzxzm
JS/CSS文件壓縮工具,在YUI Compress基礎(chǔ)上添加GUI,待壓縮文件列表,支持直接拖曳文件,列表中的文件支持使用鼠標(biāo)拖曳實現(xiàn)排序,支持當(dāng)前配置導(dǎo)入導(dǎo)出功能,
標(biāo)簽： Compress CSS GUI YUI
上傳時間： 2014-11-28
上傳用戶：獨(dú)孤求源
h264 Compress(english)
標(biāo)簽： Compress english h264
上傳時間： 2016-07-24
上傳用戶：許小華
Compress File GZIP create Java example code
標(biāo)簽： Compress example create File
上傳時間： 2016-10-16
上傳用戶：123啊
Compress ZIP file create Java example code
標(biāo)簽： Compress example create Java
上傳時間： 2014-01-22
上傳用戶：rocketrevenge
Matlab-Wavelet-Denoise-Compress.關(guān)于小降噪的練習(xí)，很好的應(yīng)用！
標(biāo)簽： Matlab-Wavelet-Denoise-Compress 降噪
上傳時間： 2016-12-02
上傳用戶：JIUSHICHEN
this a haffman code that can Compress any file.
標(biāo)簽： Compress haffman this code
上傳時間： 2013-12-16
上傳用戶：zsjinju
In this article I’ll show you how to Compress and extract files easily in java using ziputil.jar.
標(biāo)簽： Compress article extract ziputil
上傳時間： 2014-11-22
上傳用戶：manlian
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