[Model] add vsr serials models (#518)

* [Model] add vsr serials models

Signed-off-by: ChaoII <849453582@qq.com>

* [Model] add vsr serials models

Signed-off-by: ChaoII <849453582@qq.com>

* fix build problem

Signed-off-by: ChaoII <849453582@qq.com>

* fix code style

Signed-off-by: ChaoII <849453582@qq.com>

* modify according to review suggestions

Signed-off-by: ChaoII <849453582@qq.com>

* modify vsr trt example

Signed-off-by: ChaoII <849453582@qq.com>

* update sr directory

* fix BindPPSR

* add doxygen comment

* add sr unit test

* update model file url

Signed-off-by: ChaoII <849453582@qq.com>
Co-authored-by: Jason <jiangjiajun@baidu.com>

examples/vision/tracking/pptracking/python/README.md

@@ -30,7 +30,7 @@ python infer.py --model fairmot_hrnetv2_w18_dlafpn_30e_576x320 --video person.mp
 fd.vision.tracking.PPTracking(model_file, params_file, config_file, runtime_option=None, model_format=ModelFormat.PADDLE)
 ```
 
-PP-Tracking模型加载和初始化，其中model_file, params_file以及config_file为训练模型导出的Paddle inference文件，具体请参考其文档说明[模型导出](https://github.com/PaddlePaddle/PaddleSeg/tree/release/2.6/Matting)
+PP-Tracking模型加载和初始化，其中model_file, params_file以及config_file为训练模型导出的Paddle inference文件，具体请参考其文档说明[模型导出](https://github.com/PaddlePaddle/PaddleDetection/blob/release/2.5/deploy/pptracking/cpp/README.md)
 
 **参数**
 
@@ -42,7 +42,7 @@ PP-Tracking模型加载和初始化，其中model_file, params_file以及config_
 
 ### predict函数
 
-> ```python 
+> ```python
 > PPTracking.predict(frame)
 > ```
 >

examples/vision/tracking/pptracking/python/infer.py

@@ -21,8 +21,7 @@ def parse_arguments():
     import argparse
     import ast
     parser = argparse.ArgumentParser()
-    parser.add_argument(
-        "--model", required=True, help="Path of PaddleSeg model.")
+    parser.add_argument("--model", required=True, help="Path of model.")
     parser.add_argument(
         "--video", type=str, required=True, help="Path of test video file.")
     parser.add_argument(