My question is related to this question answered here. I want to find $\frac {\partial E}{\partial K}$. For this I do convolution between $\frac {\partial E}{\partial O}$ and $X$.

I couldn't find anywhere for multiple channels and kernels. But intuitively, I propose the following:

convolve a 2D 18x18 dE/dO with 2D 20x20 input. Convolution of first 18x18 with 3 channels of input gives first 3x3 filter. Similarly with other 4 channels of dE/dO to get 4 dE/dK.

I want to know if this is correct. Any confirmation/comments are appreciated!



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