What is the size of the final filter after implement convolution of multiple gaussian filters with different sizes?

  • $\begingroup$ An easy way to find put the exact answer is to tale the Fourier transform which will turn the convolution into a multiplication. Furthermore you can find the expression for the Gaussian Fourier transform. Then perform the multiplication and backtransform. $\endgroup$
    – lightxbulb
    Feb 20, 2020 at 5:04
  • $\begingroup$ Wasn't this answered here? computergraphics.stackexchange.com/a/258/209 $\endgroup$
    – Simon F
    Feb 20, 2020 at 11:10


Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Browse other questions tagged or ask your own question.