aff_step.m

用matlab实现的JPEG算法

% get_config

function aff_step(FID,name)


% *********** Fstep JM version *********************
[st_sb1,st_sb2,st_sb3] = textread(name,'%.2f %.2f %.2f',21) ;
   

fprintf(FID,'\n **********table de quantification Fstep.ini*********** \n');

fprintf(FID,'------------------\n composante 1 \n');

for j=1:7, fprintf(FID,' %3d %10g %10g %10g \n', j-1, st_sb1(j),st_sb2(j),st_sb3(j)); end ;

fprintf(FID,'------------------\n composante 2 \n');

for j=8:14, fprintf(FID,' %3d %10g %10g %10g \n', j-8, st_sb1(j),st_sb2(j),st_sb3(j)); end ;

fprintf(FID,'------------------\n composante 3 \n');

for j=15:21, fprintf(FID,' %3d %10g %10g %10g \n', j-15, st_sb1(j),st_sb2(j),st_sb3(j)); end ;

fprintf(FID,' *********************** fin de table ******************** \n');