JPEG彩色图像分块压缩量化编码matlab代码

基于JPRG的彩色图像分块，量化，zigzag，编码压缩matlab代码，适合初学者学习

function ACH = AC_Huffman（ACn）; 
%bright AC coeff codewords 
T1={‘1010‘ ‘00‘ ‘01‘ ‘100‘ ‘1011‘ ‘11010‘ ‘1111000‘ ‘11111000‘ ‘1111110110‘ ‘1111111110000010‘ ‘1111111110000011‘;
‘1100‘ ‘11011‘ ‘1111001‘ ‘111110110‘ ‘11111110110‘ ‘1111111110000100‘ ‘1111111110000101‘ ‘1111111110000110‘ ‘1111111110000111‘ ‘1111111110001000‘ ‘0‘;
‘11100‘ ‘11111001‘ ‘1111110111‘ ‘111111110100‘ ‘1111111110001001‘ ‘1111111110001010‘ ‘1111111110001011‘ ‘1111111110001100‘ ‘1111111110001101‘ ‘1111111110001110‘ ‘0‘;
‘111010‘ ‘111110111‘ ‘111111110101‘ ‘1111111110001111‘ ‘1111111110010000‘ ‘1111111110010001‘ ‘1111111110010010‘ ‘1111111110010011‘ ‘1111111110010100‘ ‘1111111110010101‘ ‘0‘;
‘111011‘ ‘1111111000‘ ‘1111111110010110‘ ‘1111111110010111‘ ‘1111111110011000‘ ‘1111111110011001‘ ‘1111111110011010‘ ‘1111111110011011‘ ‘1111111110011100‘ ‘1111111110011101‘ ‘0‘;
‘1111010‘ ‘11111110111‘ ‘1111111110011110‘ ‘1111111110011111‘ ‘1111111110100000‘ ‘1111111110100001‘ ‘1111111110100010‘ ‘1111111110100011‘ ‘1111111110100100‘ ‘1111111110100001‘ ‘0‘; 
‘1111011‘ ‘111111110110‘ ‘1111111110100110‘ ‘1111111110100111‘ ‘1111111110101000‘ ‘1111111110101001‘ ‘1111111110101010‘ ‘1111111110101011‘ ‘1111111110101100‘ ‘1111111110101101‘ ‘0‘;
‘11111010‘ ‘111111110111‘ ‘1111111110101110‘ ‘1111111110101111‘ ‘1111111110110000‘ ‘1111111110110001‘ ‘1111111110110010‘ ‘1111111110110011‘ ‘1111111110110100‘ ‘1111111110110101‘ ‘0‘;
‘111111000‘ ‘111111111000000‘ ‘1111111110110110‘ ‘1111111110110111‘ ‘1111111110111000‘ ‘1111111110111001‘ ‘1111111110111010‘ ‘1111111110111011‘ ‘1111111110111100‘ ‘1111111110111101‘ ‘0‘;
‘111111001‘ ‘1111111110111110‘ ‘1111111110111111‘ ‘1111111111000000‘ ‘1111111111000001‘ ‘1111111111000010‘ ‘1111111111000011‘ ‘1111111111000100‘ ‘1111111111000101‘ ‘1111111111000110‘ ‘0‘;
‘111111010‘ ‘1111111111000111‘ ‘1111111111001000‘ ‘1111111111001001‘ ‘1111111111001010‘ ‘1111111111001011‘ ‘1111111111001100‘ ‘1111111111001101‘ ‘1111111111001110‘ ‘1111111111001111‘ ‘0‘;
‘1111111001‘ ‘1111111111010000‘ ‘1111111111010001‘ ‘1111111111010010‘ ‘1111111111010011‘ ‘1111111111010100‘ ‘1111111111010101‘ ‘1111111111010110‘ ‘1111111111010111‘ ‘1111111111011000‘ ‘0‘;
‘1111111010‘ ‘1111111111011001‘ ‘1111111111011010‘ ‘1111111111011011‘ ‘1111111111011100‘ ‘1111111111011101‘ ‘1111111111011110‘ ‘1111111111011111‘ ‘1111111111100000‘ ‘1111111111100001‘ ‘0‘;
‘11111111000‘ ‘1111111111100010‘ ‘1111111111100011‘ ‘1111111111100100‘ ‘1111111111100101‘ ‘1111111111100110‘ ‘1111111111100111‘ ‘1111111111101000‘ ‘1111111111101001‘ ‘1111111111101010‘ ‘0‘;
‘1111111111101011‘ ‘1111111111101100‘ ‘1111111111101101‘ ‘1111111111101110‘ ‘1111111111101111‘ ‘1111111111110000‘ ‘1111111111110001‘ ‘1111111111110010‘ ‘1111111111110011‘ ‘1111111111110100‘ ‘0‘;
‘11111111001‘ ‘1111111111110101‘ ‘1111111111110110‘ ‘1111111111110111‘ ‘1111111111111000‘ ‘1111111111111001‘ ‘1111111111111010‘ ‘1111111111111011‘ ‘1111111111111100‘ ‘1111111111111101‘ ‘1111111111111111‘};

%chroma AC coeff codewords  
T2={‘00‘ ‘01‘ ‘100‘ ‘101

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件        4430  2014-11-28 12:43  Demo2.m
     文件         390  2014-11-24 11:44  Zigzag.m
     文件        8334  2014-11-24 04:21  AC_Huffman.m
     文件        1380  2014-11-28 12:45  DC_Huffman.m