Signals filtering based on 2D convolution
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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
Transcript of Signals filtering based on 2D 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
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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)}
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Zonal high pass filter
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Zonal filter transfer function definition
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Zonal high-pass
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Zonal low pass filter
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Zonal low-pass filter
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Zonal filtering
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Gaussian filter
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Butterworth high pass filter
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Butterworth high-pass
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Butterworth low pass filter
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Butterworth low-pass
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Small generating kernel convolution
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Small generating kernel convolution