def unpooling_2d(x, ksize, stride=None, pad=0, outsize=None, cover_all=True):
 return Unpooling2D(ksize, stride, pad, outsize, cover_all)(x)

def unpooling_2d ( x , ksize , stride = None , pad = 0 , outsize = None , cover_all = True ) : return Unpooling2D ( ksize , stride , pad , outsize , cover_all ) ( x )
inverse operation of pooling for 2d array .