更换文档检测模型

paddle_detection/tools/slice_image.py

@@ -0,0 +1,56 @@
+# Copyright (c) 2022 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.
+
+import argparse
+from tqdm import tqdm
+
+
+def slice_data(image_dir, dataset_json_path, output_dir, slice_size,
+               overlap_ratio):
+    try:
+        from sahi.scripts.slice_coco import slice
+    except Exception as e:
+        raise RuntimeError(
+            'Unable to use sahi to slice images, please install sahi, for example: `pip install sahi`, see https://github.com/obss/sahi'
+        )
+    tqdm.write(
+        f" slicing for slice_size={slice_size}, overlap_ratio={overlap_ratio}")
+    slice(
+        image_dir=image_dir,
+        dataset_json_path=dataset_json_path,
+        output_dir=output_dir,
+        slice_size=slice_size,
+        overlap_ratio=overlap_ratio, )
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        '--image_dir', type=str, default=None, help="The image folder path.")
+    parser.add_argument(
+        '--json_path', type=str, default=None, help="Dataset json path.")
+    parser.add_argument(
+        '--output_dir', type=str, default=None, help="Output dir.")
+    parser.add_argument(
+        '--slice_size', type=int, default=500, help="slice_size")
+    parser.add_argument(
+        '--overlap_ratio', type=float, default=0.25, help="overlap_ratio")
+    args = parser.parse_args()
+
+    slice_data(args.image_dir, args.json_path, args.output_dir, args.slice_size,
+               args.overlap_ratio)
+
+
+if __name__ == "__main__":
+    main()