Reference

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convolve_fft

Arguments:

Description:

Convolve selected images with specified mask, in the fourier domain.

boundary_conditions can be { 0=dirichlet | 1=neumann | 2=periodic | 3=mirror }.

Example of use:

$ gmic image.jpg 100%,100% gaussian[-1] 20,1,45 +convolve_fft[0] [1]

Command: image.jpg 100%,100% gaussian[-1] 20,1,45 +convolve_fft[0] [1]
Command: image.jpg 100%,100% gaussian[-1] 20,1,45 +convolve_fft[0] [1]
Command: image.jpg 100%,100% gaussian[-1] 20,1,45 +convolve_fft[0] [1]