restoring_image_SVM

PURPOSE ^

Irestored = restoring_image_SVM(Im,epsilon,Csvm,sigma,perfil_eps)

SYNOPSIS ^

function IMM=restoring_image_SVM(Im2,epsilon,Csvm,sigma,perfil_eps)

DESCRIPTION ^

 Irestored = restoring_image_SVM(Im,epsilon,Csvm,sigma,perfil_eps)

 Notes:
    - Steerable wavelet transform, 8 orientations, 4 scales
    - Only works for 256x256 images

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 %
0002 % Irestored = restoring_image_SVM(Im,epsilon,Csvm,sigma,perfil_eps)
0003 %
0004 % Notes:
0005 %    - Steerable wavelet transform, 8 orientations, 4 scales
0006 %    - Only works for 256x256 images
0007 function IMM=restoring_image_SVM(Im2,epsilon,Csvm,sigma,perfil_eps)
0008 
0009 load C_profile
0010 perfil_sigma=[1 1 1 1];
0011 
0012 sigma_2 = sigma;
0013 sigma_1 = sigma_2/2;
0014 AAlfa=linspace(-90,90,9);
0015 
0016 for n=1:8
0017     Kernel_M(:,:,n) = kernelgauss2Dsteerable(16,sigma_2,sigma_1,AAlfa(n));
0018 end
0019 
0020 perfil_eps_M = perfil_eps*epsilon;
0021 perfil_C_M = perfil_C*Csvm;
0022 
0023 ESCALAS=4;
0024 ORIENTACIONES=7;
0025 [pyrR,ind]=buildSFpyr(Im2,ESCALAS,ORIENTACIONES);
0026 
0027 L=(1:256)';
0028 UNOS=ones(1,256)';
0029 pyr2=pyrR;
0030 for esc=1:ESCALAS
0031     for or=1:ORIENTACIONES+1
0032     fprintf('.')
0033         BAND_NUM=1+or+(esc-1)*(ORIENTACIONES+1);
0034         INDD=pyrBandIndices(ind,BAND_NUM);
0035 
0036         RES = pyrBand(pyrR, ind, BAND_NUM);
0037         KB=Kernel_M(:,:,or).^(perfil_sigma(esc));
0038 
0039         P_C = perfil_C_M(INDD(1));
0040         P_E = perfil_eps_M(INDD(1));
0041 
0042         R=blkproc(RES,[16 16],'SVRegression(x,P1,P2,P3,P4,P5)',L,KB,P_C,P_E,UNOS);
0043 
0044         pyr2(INDD)=R(:);
0045 
0046     end
0047 end
0048 pyr2(1:256*256)=zeros;
0049 IMM=reconSFpyr(pyr2,ind);
0050 
0051 fprintf('\n')

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