IMAGE-COMPRESSION
所属分类：图形图象
开发工具：matlab
文件大小：317KB
下载次数：8
上传日期：2014-02-25 23:46:25
上 传 者：
prash422
说明： this is the code for image compression using Dct
文件列表:
IMAGE COMPRESSION\abais.m (140, 2009-03-15)
IMAGE COMPRESSION\compdct.asv (8643, 2013-06-28)
IMAGE COMPRESSION\compdct.m (8654, 2013-06-28)
IMAGE COMPRESSION\compression\btcode.m (13007, 2004-04-10)
IMAGE COMPRESSION\compression\conv2fft.m (6943, 2004-01-08)
IMAGE COMPRESSION\compression\convfft.m (1623, 2004-01-08)
IMAGE COMPRESSION\compression\dctcompr.m (7666, 2004-04-15)
IMAGE COMPRESSION\compression\imcompr.m (4354, 2004-04-09)
IMAGE COMPRESSION\compression\license.txt (1331, 2009-05-27)
IMAGE COMPRESSION\compression\pyramid.m (7747, 2004-04-10)
IMAGE COMPRESSION\compression\testo.txt (1421, 2004-04-16)
IMAGE COMPRESSION\decompdct.asv (4454, 2013-06-28)
IMAGE COMPRESSION\decompdct.m (4463, 2013-06-28)
IMAGE COMPRESSION\fichier.dct (22320, 2014-02-25)
IMAGE COMPRESSION\goldhill.pgm (65610, 2009-05-05)
IMAGE COMPRESSION\hs_err_pid812.log (15091, 2009-05-06)
IMAGE COMPRESSION\Iabais.m (121, 2009-03-15)
IMAGE COMPRESSION\IM256.bmp (196662, 2011-03-18)
IMAGE COMPRESSION\Image compession.m (94, 2013-06-28)
IMAGE COMPRESSION\IMAGE COMPRESSION.doc (24064, 2009-05-23)
IMAGE COMPRESSION\Image_compression.mdl (43789, 2009-05-05)
IMAGE COMPRESSION\irle.m (177, 2009-03-15)
IMAGE COMPRESSION\license.txt (1333, 2011-06-13)
IMAGE COMPRESSION\main.m (43, 2013-06-28)
IMAGE COMPRESSION\New Microsoft Word Document.doc (24064, 2009-05-23)
IMAGE COMPRESSION\new_ima.bmp (66614, 2013-06-28)
IMAGE COMPRESSION\proba.m (289, 2009-03-15)
IMAGE COMPRESSION\resize.m (617, 2009-03-15)
IMAGE COMPRESSION\rle.m (694, 2009-05-06)
IMAGE COMPRESSION\slprj\_sfprj\vipimagecompression_win\_self\sfun\info\binfo.mat (2618, 2013-06-28)
IMAGE COMPRESSION\slprj\_sfprj\vipimagecompression_win\_self\sfun\info\chart2.mat (6984, 2013-06-28)
IMAGE COMPRESSION\slprj\_sfprj\vipimagecompression_win\_self\sfun\src\c2_vipimagecompression_win.c (34927, 2013-06-28)
IMAGE COMPRESSION\slprj\_sfprj\vipimagecompression_win\_self\sfun\src\c2_vipimagecompression_win.h (1009, 2013-06-28)
IMAGE COMPRESSION\slprj\_sfprj\vipimagecompression_win\_self\sfun\src\c2_vipimagecompression_win.obj (25228, 2013-06-28)
IMAGE COMPRESSION\slprj\_sfprj\vipimagecompression_win\_self\sfun\src\lccstub.obj (402, 2013-06-28)
IMAGE COMPRESSION\slprj\_sfprj\vipimagecompression_win\_self\sfun\src\rtwtypes.h (8816, 2013-06-28)
IMAGE COMPRESSION\slprj\_sfprj\vipimagecompression_win\_self\sfun\src\rtwtypeschksum.mat (1037, 2013-06-28)
IMAGE COMPRESSION\slprj\_sfprj\vipimagecompression_win\_self\sfun\src\vipimagecompression_win_sfun.bat (96, 2013-06-28)
IMAGE COMPRESSION\slprj\_sfprj\vipimagecompression_win\_self\sfun\src\vipimagecompression_win_sfun.c (6400, 2013-06-28)
... ...
%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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