icontrast_2

PURPOSE ^

SYNOPSIS ^

function [dcti] = icontrast_2(dctc,Lm,Ncuan,norm)

DESCRIPTION ^

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 
0002 function [dcti] = icontrast_2(dctc,Lm,Ncuan,norm)
0003 par = norm(2);
0004 norm = norm(1);
0005 Lb = 2^Ncuan;
0006 Li = Lb^2;
0007 DC = 16 .* Lm;
0008 for i = 1:Lb:Li
0009     for j = 1:Lb:Li
0010         dc = zeros(Lb,Lb);
0011 
0012         bloque = dctc(i:i+Lb-1,j:j+Lb-1);
0013         if(norm == 1)
0014 
0015             dc(2:Lb,1) = bloque(2:Lb,1) * DC(round(i/Lb + 1),round(j/Lb + 1)) / 2;
0016             dc(1,2:Lb) = bloque(1,2:Lb) * DC(round(i/Lb + 1),round(j/Lb + 1)) / 2;
0017             dc(2:Lb,2:Lb) = bloque(2:Lb,2:Lb) * DC(round(i/Lb + 1),round(j/Lb + 1)) / 4;
0018             dc(1,1) = DC(round(i/Lb + 1),round(j/Lb + 1));
0019         end
0020         dcti(i:i+Lb-1,j:j+Lb-1) = dc;
0021     end
0022 end

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