sharp_sensitivity

PURPOSE ^

SYNOPSIS ^

This is a script file.

DESCRIPTION ^

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 
0002 figure;
0003 
0004 clc;
0005 echo off;
0006 
0007 disp('Loading image');
0008 
0009 load barbara256;
0010 imshow(Im/255);
0011 title('Original image');
0012 
0013 disp('Degrading image (almost denoising)');
0014 
0015 fc = 24;
0016 Val_min = 0.001;
0017 
0018 lim_frec = [0 3];
0019 
0020 vari = 400;
0021 
0022 [Id,PSF,H,noise,Blurred]=degrade2(Im,fc,Val_min,lim_frec,vari);
0023 figure;
0024 imshow(Id/255);
0025 title(['Degraded image (f_c = ' num2str(fc) ',\sigma^2 = ' num2str(vari) ')']);
0026 
0027 disp('Press any key...');
0028 pause;
0029 
0030 disp('SENSITIVITY TO LAMBDA');
0031 
0032 Nlambdas = 1;
0033 lambdas = 1;
0034 
0035 disp(['Restoring image using PERCEPTUAL (' num2str(Nlambdas) ' values of lambda)']);
0036 
0037 imrper=restaura2(Id,'PER',PSF,lambdas);
0038 
0039 figure;
0040 imshow(imrper/255);
0041 title(['Perceptual, \lambda=' num2str(lambdas)]);
0042 
0043 Nlambdas = 1;
0044 lambdas = 2;
0045 
0046 disp(['Restoring image using PERCEPTUAL (' num2str(Nlambdas) ' values of lambda)']);
0047 
0048 imrper=restaura2(Id,'PER',PSF,lambdas);
0049 
0050 figure;
0051 imshow(imrper/255);
0052 title(['Perceptual, \lambda=' num2str(lambdas)]);
0053 
0054 Nlambdas = 1;
0055 lambdas = 4;
0056 
0057 disp(['Restoring image using PERCEPTUAL (' num2str(Nlambdas) ' values of lambda)']);
0058 
0059 imrper=restaura2(Id,'PER',PSF,lambdas);
0060 
0061 figure;
0062 imshow(imrper/255);
0063 title(['Perceptual, \lambda=' num2str(lambdas)]);
0064 
0065 Nlambdas = 1;
0066 lambdas = 6;
0067 
0068 disp(['Restoring image using PERCEPTUAL (' num2str(Nlambdas) ' values of lambda)']);
0069 
0070 imrper=restaura2(Id,'PER',PSF,lambdas);
0071 
0072 figure;
0073 imshow(imrper/255);
0074 title(['Perceptual, \lambda=' num2str(lambdas)]);
0075 
0076 Nlambdas = 1;
0077 lambdas = 10;
0078 
0079 disp(['Restoring image using PERCEPTUAL (' num2str(Nlambdas) ' values of lambda)']);
0080 
0081 imrper=restaura2(Id,'PER',PSF,lambdas);
0082 
0083 figure;
0084 imshow(imrper/255);
0085 title(['Perceptual, \lambda=' num2str(lambdas)]);
0086 
0087 Nlambdas = 1;
0088 lambdas = 1;
0089 
0090 disp(['Restoring image using AR12 (' num2str(Nlambdas) ' values of lambda)']);
0091 
0092 imrar12=restaura2(Id,'AR12',PSF,lambdas);
0093 
0094 figure;
0095 imshow(imrar12/255);
0096 title(['AR12, \lambda=' num2str(lambdas)]);
0097 
0098 Nlambdas = 1;
0099 lambdas = 2;
0100 
0101 disp(['Restoring image using AR12 (' num2str(Nlambdas) ' values of lambda)']);
0102 
0103 imrar12=restaura2(Id,'AR12',PSF,lambdas);
0104 
0105 figure;
0106 imshow(imrar12/255);
0107 title(['AR12, \lambda=' num2str(lambdas)]);
0108 
0109 Nlambdas = 1;
0110 lambdas = 4;
0111 
0112 disp(['Restoring image using AR12 (' num2str(Nlambdas) ' values of lambda)']);
0113 
0114 imrar12=restaura2(Id,'AR12',PSF,lambdas);
0115 
0116 figure;
0117 imshow(imrar12/255);
0118 title(['AR12, \lambda=' num2str(lambdas)]);
0119 
0120 Nlambdas = 1;
0121 lambdas = 6;
0122 
0123 disp(['Restoring image using AR12 (' num2str(Nlambdas) ' values of lambda)']);
0124 
0125 imrar8=restaura2(Id,'AR12',PSF,lambdas);
0126 
0127 figure;
0128 imshow(imrar12/255);
0129 title(['AR12, \lambda=' num2str(lambdas)]);
0130 
0131 Nlambdas = 1;
0132 lambdas = 10;
0133 
0134 disp(['Restoring image using AR12 (' num2str(Nlambdas) ' values of lambda)']);
0135 
0136 imrar8=restaura2(Id,'AR12',PSF,lambdas);
0137 
0138 figure;
0139 imshow(imrar12/255);
0140 title(['AR12, \lambda=' num2str(lambdas)]);
0141

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