convolution in frequency domain

[cv] convolution in frequency domain

convolution in spatial domain == multiplication in frequency domain.

[cv] convolution in frequency domain

FFT Fast Fourier Transform

[cv] convolution in frequency domain

smoothing and blur

[cv] convolution in frequency domain

[cv] convolution in frequency domain

low and high pass filter

[cv] convolution in frequency domain

properties of Fourier Transform

[cv] convolution in frequency domain

Fourier pair

[cv] convolution in frequency domain

[cv] convolution in frequency domain

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