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Scalable MPEG compression based on DCT coefficients

Scalable MPEG compression based on DCT coefficients

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15 Nov 2006 (Updated )

This application makes 2 layers base Layer and enhancement layer from quantized coefficients

compressionRatioPlotter.m
clear all
close all
load foreman_threshold6_256x256
newres = compressionratioWOE(2:33,1:9);
Bres = cat(1,newres(1:32,1),newres(1:32,2),newres(1:32,4),newres(1:32,5),newres(1:32,7),newres(1:32,8));
Pres = cat(1,newres(1:32,3),newres(1:32,6));
Ires = newres(1:32,9);
figure;

axis([1 10 1 5]);
plot(Bres,'g.-');
hold;
plot(Pres,'r.-');
plot(Ires,'b.-');
axis([1 200 0 1]);

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