diff --git a/Seance1.m b/Seance1.m
new file mode 100644
index 0000000000000000000000000000000000000000..dac05180b9a32a5fd8412681c753ab8a9ed09d7b
--- /dev/null
+++ b/Seance1.m
@@ -0,0 +1,126 @@
+%%
+clear all;
+I = imread('Amosite5.jpg');
+figure(1)
+imagesc(I)
+colormap(gray)
+colorbar
+img_fft = fftshift(fft2(I));
+figure(2)
+imagesc(20*log10(abs(img_fft)))
+%%
+clear all;
+load('angiocor.mat');
+figure(1)
+imagesc(angiocor)
+colormap(gray)
+colorbar
+img_fft = fftshift(fft2(angiocor));
+figure(2)
+imagesc(20*log10(abs(img_fft)))
+%%
+clear all;
+
+load('barbara.mat');
+figure(1)
+imagesc(X)
+colormap(gray)
+colorbar
+figure(2)
+img_fft = fftshift(fft2(X));
+imagesc(20*log10(abs(img_fft)))
+
+%%
+clear all;
+
+load('cuir.mat');
+figure(1)
+imagesc(X)
+colormap(gray)
+colorbar
+figure(2)
+img_fft = fftshift(fft2(X));
+imagesc(20*log10(abs(img_fft)))
+
+%%
+clear all;
+
+load('empreinte_roi.mat');
+figure(1)
+imagesc(image)
+colormap(gray)
+colorbar
+img_fft = fftshift(fft2(image));
+figure(2)
+imagesc(20*log10(abs(img_fft)))
+
+Z = 20*log10(abs(fft2(image)));
+[M,I] = max(Z(:));
+[I_row, I_col] = ind2sub(size(Z),I);
+N = size(Z);
+vu1 = (I_col - 1)/N(1);
+vu2 = (I_row - 1)/N(1);
+rho = sqrt(vu1*vu1 + vu2*vu2);
+phi = atan(vu2/vu1);
+
+% 
+x = [-N/2:1:N/2];
+y = transpose([-N/2:1:N/2]);
+
+H = exp(-x*x+y*y)
+
+%%
+clear all;
+load('head.mat');
+figure(1)
+imagesc(X)
+colormap(gray)
+colorbar
+
+img_fft = fftshift(fft2(X));
+figure(2)
+imagesc(20*log10(abs(img_fft)))
+
+%%
+clear all;
+load('lena512.mat');
+figure(1)
+imagesc(lena512)
+colormap(gray)
+colorbar
+img_fft = fftshift(fft2(lena512));
+figure(2)
+imagesc(20*log10(abs(img_fft)))
+
+%%
+clear all;
+load('poupee.mat');
+figure(1)
+imagesc(X)
+colormap(gray)
+colorbar
+figure(2)
+img_fft = fftshift(fft2(X));
+imagesc(20*log10(abs(img_fft)))
+
+%%
+clear all;
+load('tartan.mat');
+figure(1)
+imagesc(X)
+colormap(gray)
+colorbar
+figure(2)
+img_fft = fftshift(fft2(X));
+imagesc(20*log10(abs(img_fft)))
+
+%%
+clear all;
+load('tyre.mat');
+figure(1)
+imagesc(X)
+colormap(gray)
+colorbar
+figure(2)
+img_fft = fftshift(fft2(X));
+imagesc(20*log10(abs(img_fft)))
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