!7042 fasterrcnn add export air file

Merge pull request !7042 from linqingke/fasterrcnn

model_zoo/official/cv/faster_rcnn/export.py

@@ -0,0 +1,42 @@
+# Copyright 2020 Huawei Technologies Co., Ltd
+#
+# 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.
+# ============================================================================
+"""export checkpoint file into air models"""
+import argparse
+import numpy as np
+
+import mindspore as ms
+from mindspore import Tensor
+from mindspore.train.serialization import load_checkpoint, load_param_into_net, export
+
+from src.FasterRcnn.faster_rcnn_r50 import Faster_Rcnn_Resnet50
+from src.config import config
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='fasterrcnn_export')
+    parser.add_argument('--ckpt_file', type=str, default='', help='fasterrcnn ckpt file.')
+    parser.add_argument('--output_file', type=str, default='', help='fasterrcnn output air name.')
+    args_opt = parser.parse_args()
+
+    net = Faster_Rcnn_Resnet50(config=config)
+
+    param_dict = load_checkpoint(args_opt.ckpt_file)
+    load_param_into_net(net, param_dict)
+
+    img = Tensor(np.random.uniform(0.0, 1.0, size=[1, 3, 768, 1280]), ms.float16)
+    img_shape = Tensor(np.random.uniform(0.0, 1.0, size=[768, 1280, 1]), ms.float16)
+    gt_bboxes = Tensor(np.random.uniform(0.0, 1.0, size=[1, 128]), ms.float16)
+    gt_label = Tensor(np.random.uniform(0.0, 1.0, size=[1, 128]), ms.int32)
+    gt_num = Tensor(np.random.uniform(0.0, 1.0, size=[1, 128]), ms.bool)
+    export(net, img, img_shape, gt_bboxes, gt_label, gt_num, file_name=args_opt.output_file, file_format="AIR")