26 lines
687 B
Mathematica
26 lines
687 B
Mathematica
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% Aymeric Arnould, Tom Colinot
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% TP3
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% Codage INTRA (3/3)
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% Question 8 - Qualité visuelle (INTRA) pour différentes valeurs du débit
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clear all;
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gamma=[0.1 1 3 5]; %Pas de quantification
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file = fopen('Foreman.qcif','r');
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[compY,~,~]=yuv_readimage(file,'qcif');
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figure(1)
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subplot(2,length(gamma)+1,1); imagesc(compY); title('Image non compressee');
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colormap(gray)
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for k=1:size(gamma,2)
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g=gamma(k);
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[Yc,~,bpp] = encodeINTRA(compY,g);
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d=bpp*size(compY,1)*size(compY,2)*15;
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subplot(2,length(gamma)+1,k+1); imagesc(Yc); title(strcat('gamma=',num2str(g),',','Debit=',num2str(d), 'bps'));
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subplot(2,length(gamma)+1,length(gamma)+k+2); imagesc(compY-Yc);
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end
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