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- # Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
- #
- # Licensed under the Apache License, Version 2.0 (the "License");
- # you may not use this file except in compliance with the License.
- # You may obtain a copy of the License at
- #
- # http://www.apache.org/licenses/LICENSE-2.0
- #
- # Unless required by applicable law or agreed to in writing, software
- # distributed under the License is distributed on an "AS IS" BASIS,
- # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- # See the License for the specific language governing permissions and
- # limitations under the License.
- # The code is based on:
- # https://github.com/facebookresearch/detectron2/blob/main/detectron2/layers/shape_spec.py
- from collections import namedtuple
- class ShapeSpec(
- namedtuple("_ShapeSpec", ["channels", "height", "width", "stride"])):
- def __new__(cls, channels=None, height=None, width=None, stride=None):
- return super(ShapeSpec, cls).__new__(cls, channels, height, width,
- stride)
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