文件列表:

Image compression based on DCT (0, 2015-06-19)
Image compression based on DCT\abais.m (140, 2009-03-15)
Image compression based on DCT\compdct.m (8564, 2011-06-14)
Image compression based on DCT\decompdct.m (5259, 2009-03-17)
Image compression based on DCT\Iabais.m (121, 2009-03-15)
Image compression based on DCT\IM256.bmp (196662, 2011-03-19)
Image compression based on DCT\irle.m (177, 2009-03-15)
Image compression based on DCT\proba.m (289, 2009-03-16)
Image compression based on DCT\resize.m (617, 2009-03-15)
Image compression based on DCT\rle.m (694, 2009-05-06)
Image compression based on DCT\zigzag.m (565, 1998-02-23)
Image compression based on DCT\zigzag16.m (2230, 2009-03-15)
Image compression based on DCT\zigzag32.m (9037, 2009-03-15)
Image compression based on DCT\zigzaginv.m (588, 2003-05-11)
Image compression based on DCT\zigzinv16.m (2342, 2009-03-15)
Image compression based on DCT\zigzinv32.m (9334, 2009-05-16)

%Image Compression %compdct.m: %main code to compress an image we only run compdct.m %decompdct.m: % to decompress an image we only run compdct.m %resize.m: %here we give an esample: if we have value big than 65792 like 19071001 in %8 bits we can not save it so we use resize: %X=19071001; %Y=resize(X) %>>Y %1 35 0 25 %here X=1*256^3+35*256^2+0*256^1+25*256^0 %proba.m: %like hist.m %zigzag.m: %zigzag scan for bloc [8 8] %zigzaginv.m: %inverse zigzag scan for bloc [8 8] %zigzag16.m: %zigzag scan for bloc [16 16] %zigzinv16.m: %inverse zigzag scan for bloc [16 16] %zigzag32.m: %zigzag scan for bloc [32 32] %zigzinv32.m: %inverse zigzag scan for bloc [32 32] %rle.m: %Run length encoding %irle.m: % Inverse Run length encoding %abais.m: %here we give an esample: if we have value big than 255 like 275 in %8 bits we can not save it so we use resize: %X=275; %Y=resize(X) %>>Y %1 19 %here X=1*256^1+19*256^0 %Iabais.m: %X=Iabais(y);

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