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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

shat(originalSI,decodedSI,originalTI,decodedTI)
function result = shat(originalSI,decodedSI,originalTI,decodedTI)
m1=rms(abs(5.81*((originalSI-decodedSI)/originalSI)));
temp=0.108*max([(originalTI-decodedTI) 0]);
m2=std(conv(temp,[-1,2,-1]));
m3=max(4.23*log10(decodedTI/originalTI));
%%shat
result=4.77-(0.992*m1)-(0.272*m2)-(0.356*m3);

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