I use some nets,FCN8 ,SegNet for semantic segmentation .The trouble follow:
all of the nets I used,The last layers of this net output the  feature maps is (1,22,256,256),why not (1,3,256,256)? and another question is that the labels size is (1,1,256,256),why not(1,3,256,256)?
please help me, I a new gay