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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

shat1(Original,Decoded,previousOriginal,previousDecoded)
function [originalSI,decodedSI,originalTI,decodedTI] = shat1(Original,Decoded,previousOriginal,previousDecoded)
% %%%spatial information
% originalSI=std(std(double(edge(Original,'sobel'))));
% decodedSI=std(std(double(edge(Decoded,'sobel'))));
% 
% %%%temporal information
% originalTI=std(std(Original-previousOriginal));
% decodedTI=std(std(Decoded-previousDecoded));

%%%spatial information
originalSI=std(std(double(edge(Original,'sobel'))));
decodedSI=std(std(double(edge(Decoded,'sobel'))));

%%%temporal information
originalTI=std(std(Original-previousOriginal));
decodedTI=std(std(Decoded-previousDecoded));

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