base.py 文件源码

def _invert_PadLayer(self, layer, feeder):
        assert isinstance(layer, L.PadLayer)
        assert layer.batch_ndim == 2
        assert len(L.get_output_shape(layer))==4.

        tmp = L.SliceLayer(feeder,
                           slice(layer.width[0][0], -layer.width[0][1]),
                           axis=2)
        return L.SliceLayer(tmp,
                            slice(layer.width[1][0], -layer.width[1][1]),
                            axis=3)