model
a = [Sequential(convolution(), batchnorm(),activation_f())] * n
b = [Sequential(Upsample(), batchnorm(), convolution(), batchnorm(),  activation_f(), convolution(), batchnorm(), activation_f())] * n
model = Sequential(*a, *b)



 ptrblck:

Have you changed the momentum in BatchNorm?


no



 ptrblck:

Are you preprocessing the data differently?


no



 SimonW:

Also, what was your training batch size?


I try with only one batch