pesos_overlapping

PURPOSE ^

funcion p = pesos_overlapping(ov);

SYNOPSIS ^

function p = pesos_overlapping(M,N,ov);

DESCRIPTION ^

 funcion p = pesos_overlapping(ov);

    It gives back the weights matrix of size 32x32 to perform overlapping
    between blocks.
    'ov' is the overlaping size (in pixels).

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 % funcion p = pesos_overlapping(ov);
0002 %
0003 %    It gives back the weights matrix of size 32x32 to perform overlapping
0004 %    between blocks.
0005 %    'ov' is the overlaping size (in pixels).
0006 %
0007 
0008 function p = pesos_overlapping(M,N,ov);
0009 
0010 p = zeros(M);
0011 
0012 tam =N+ov*2;
0013 
0014 centro = ones(tam);
0015 
0016 v = linspace(.9,.1,2*ov);
0017 
0018 vr = repmat(v,tam-4*ov,1);
0019 vl = repmat(reverse(v),tam-4*ov,1);
0020 vb = repmat(v',1,tam-4*ov);
0021 vt = repmat(reverse(v)',1,tam-4*ov);
0022 
0023 esquinabr = simrev(v);
0024 esquinatr = flipud(esquinabr);
0025 
0026 esquinabl = fliplr(esquinabr);
0027 esquinatl = fliplr(esquinatr);
0028 
0029 centro(1:2*ov,1:2*ov) = esquinatl;
0030 centro(1:2*ov,2*ov+1:tam-2*ov) = vt;
0031 centro(1:2*ov,N+1:N+2*ov) = esquinatr;
0032 
0033 centro(2*ov+1:tam-2*ov,1:2*ov) = vl;
0034 centro(2*ov+1:tam-2*ov,tam-2*ov+1:tam) = vr;
0035 
0036 centro(tam-2*ov+1:tam,1:2*ov) = esquinabl;
0037 centro(tam-2*ov+1:tam,2*ov+1:tam-2*ov) = vb;
0038 centro(tam-2*ov+1:tam,tam-2*ov+1:tam) = esquinabr;
0039 
0040 p((M-tam)/2+1:M-(M-tam)/2,(M-tam)/2+1:M-(M-tam)/2)=centro;

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