更换文档检测模型

paddle_detection/ppdet/modeling/shape_spec.py

@@ -0,0 +1,25 @@
+# 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)