!17683 amend export to yolov3 and yolov4

From: @jiangzg001
Reviewed-by: @wuxuejian,@c_34
Signed-off-by: @c_34

model_zoo/official/cv/yolov3_darknet53/README.md

@@ -390,11 +390,12 @@ This the standard format from `pycocotools`, you can refer to [cocodataset](http
 Currently, batchsize can only set to 1.
 
 ```shell
-python export.py --ckpt_file [CKPT_PATH] --file_name [FILE_NAME] --file_format [FILE_FORMAT]
+python export.py --ckpt_file [CKPT_PATH] --file_name [FILE_NAME] --file_format [FILE_FORMAT] --keep_detect [Bool]
 ```
 
 The ckpt_file parameter is required,
 `EXPORT_FORMAT` should be in ["AIR", "MINDIR"]
+`keep_detect` keep the detect module or not, default: True
 
 ### [Inference Process](#contents)
 

model_zoo/official/cv/yolov3_darknet53/README_CN.md

@@ -383,10 +383,11 @@ bash run_eval.sh dataset/coco2014/ checkpoint/0-319_102400.ckpt
 ## 导出mindir模型
 
 ```shell
-python export.py --ckpt_file [CKPT_PATH] --file_name [FILE_NAME] --file_format [FILE_FORMAT]
+python export.py --ckpt_file [CKPT_PATH] --file_name [FILE_NAME] --file_format [FILE_FORMAT] --keep_detect [Bool]
 ```
 
 参数`ckpt_file` 是必需的，`EXPORT_FORMAT` 必须在 ["AIR", "MINDIR"]中进行选择。
+参数`keep_detect` 是否保留坐标检测模块, 默认为True
 
 ## 推理过程
 

model_zoo/official/cv/yolov3_darknet53/default_config.yaml

@@ -73,7 +73,7 @@ batch_size: 1
 ckpt_file: ""
 file_name: "yolov3_darknet53"
 file_format: "AIR" # ["AIR", "ONNX", "MINDIR"]
-
+keep_detect: True
 
 # convert weight option
 input_file: "./darknet53.conv.74"
@@ -170,6 +170,7 @@ ckpt_file: "Checkpoint file path."
 file_name: "output file name."
 file_format: "file format choices in ['AIR', 'ONNX', 'MINDIR']"
 device_target: "device target. choices in ['Ascend', 'GPU'] for train. choices in ['Ascend', 'GPU', 'CPU'] for export."
+keep_detect: "keep the detect module or not, default: True"
 
 # convert weight option
 input_file: "input file path."

model_zoo/official/cv/yolov3_darknet53/src/yolo.py

@@ -364,6 +364,7 @@ class YOLOV3DarkNet53(nn.Cell):
     def __init__(self, is_training, config=default_config):
         super(YOLOV3DarkNet53, self).__init__()
         self.config = config
+        self.keep_detect = self.config.keep_detect
         self.tenser_to_array = P.TupleToArray()
 
         # YOLOv3 network
@@ -383,6 +384,8 @@ class YOLOV3DarkNet53(nn.Cell):
         input_shape = F.shape(x)[2:4]
         input_shape = F.cast(self.tenser_to_array(input_shape), ms.float32)
         big_object_output, medium_object_output, small_object_output = self.feature_map(x)
+        if not self.keep_detect:
+            return big_object_output, medium_object_output, small_object_output
         output_big = self.detect_1(big_object_output, input_shape)
         output_me = self.detect_2(medium_object_output, input_shape)
         output_small = self.detect_3(small_object_output, input_shape)

model_zoo/official/cv/yolov4/README.md

@@ -488,11 +488,12 @@ overall performance
 If you want to infer the network on Ascend 310, you should convert the model to MINDIR:
 
 ```python
-python export.py --ckpt_file [CKPT_PATH] --file_name [FILE_NAME] --file_format [FILE_FORMAT]
+python export.py --ckpt_file [CKPT_PATH] --file_name [FILE_NAME] --file_format [FILE_FORMAT] --keep_detect [Bool]
 ```
 
 The ckpt_file parameter is required,
 `EXPORT_FORMAT` should be in ["AIR", "ONNX", "MINDIR"]
+`keep_detect` keep the detect module or not, default: True
 
 ## [Inference Process](#contents)
 

model_zoo/official/cv/yolov4/default_config.yaml

@@ -64,7 +64,7 @@ testing_shape: 608
 ckpt_file: ""
 file_name: "yolov4"
 file_format: "AIR"
-
+keep_detect: True
 
 # Other default config
 hue: 0.1
@@ -163,3 +163,4 @@ testing_shape: "shape for test"
 ckpt_file: "Checkpoint file path for export"
 file_name: "output file name for export"
 file_format: "file format for export"
+keep_detect: "keep the detect module or not, default: True"

model_zoo/official/cv/yolov4/src/yolo.py

@@ -432,6 +432,7 @@ class YOLOV4CspDarkNet53(nn.Cell):
     def __init__(self):
         super(YOLOV4CspDarkNet53, self).__init__()
         self.config = default_config
+        self.keep_detect = self.config.keep_detect
         self.test_img_shape = Tensor(tuple(self.config.test_img_shape), ms.float32)
 
         # YOLOv4 network
@@ -448,6 +449,8 @@ class YOLOV4CspDarkNet53(nn.Cell):
         if input_shape is None:
             input_shape = self.test_img_shape
         big_object_output, medium_object_output, small_object_output = self.feature_map(x)
+        if not self.keep_detect:
+            return big_object_output, medium_object_output, small_object_output
         output_big = self.detect_1(big_object_output, input_shape)
         output_me = self.detect_2(medium_object_output, input_shape)
         output_small = self.detect_3(small_object_output, input_shape)