Solved by rad in post #8 
              
              
                Okay. Let’s see, you have an image of size (h, w, c), which in your case should be a square RGB image, so h=w – in the examples below I will assume H_in = 32 --, c=3. Your input volume is of shape (n, n, 3). First, you apply 32 filters of size (3, 3), with stride 2 and padding 1. 
The dimension of t…