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1. Convolution 2D based on FT2. Zonal high pass filter3. Zonal low pass filter4. Gaussian filter5. Butterworth high pass filter6. Butterworth low pass filter7. Small generating kernel convolution
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Signals filtering based on 2D convolution
1. Convolution 2D based on FT2. Zonal high pass filter3. Zonal low pass filter4. Gaussian filter5. Butterworth high pass filter6. Butterworth low pass filter7. Small generating kernel convolution
2D Convolution based on FT
P(x,y)=F(x,y)*H(x,y)=
FT{FT[F(x,y)] FT[H(x,y)]}=
= FT{F(u,v)H(u,v)}
Zonal high pass filter
Zonal filter transfer function definition
Zonal high-pass
Zonal low pass filter
Zonal low-pass filter
Zonal filtering
Gaussian filter
Butterworth high pass filter
Butterworth high-pass
Butterworth low pass filter
Butterworth low-pass
Small generating kernel convolution
Small generating kernel convolution