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-rw-r--r--stripeeraser.m15
1 files changed, 6 insertions, 9 deletions
diff --git a/stripeeraser.m b/stripeeraser.m
index 417f333..cd34d50 100644
--- a/stripeeraser.m
+++ b/stripeeraser.m
@@ -13,15 +13,12 @@ max1=max(abs(img_fourier(:)));
for x=1:Nx
for y=1:Ny
d=sqrt((x-Nx/2)^2+(y-Ny/2)^2);
- if d>radius
- % for high enough frequency components
- %The filter works like a neutral density filter.
- if abs(img_fourier(y,x))>max1*(10^(-threshold_power));
- % Suppress this frequency components which are mostly stripes
- % but leave untouched small sharp features of the beam
- % since they are spectrally weak
- img_fourier(y,x)=img_fourier(y,x)*exp(-(d/radius)^2);
- end;
+ if d>radius && abs(img_fourier(y,x))>max1*(10^(-threshold_power))
+ % For high enough frequency components
+ % suppress this frequency components which are mostly stripes.
+ % But leave untouched small sharp features of the beam
+ % since they are spectrally weak
+ img_fourier(y,x)=img_fourier(y,x)*exp(-(d/radius)^2);
end;
end;
end;