Specifically, the content in `tools/build.sh` is as follows.
```shell
OPENCV_DIR=your_opencv_dir
...
...
@@ -201,6 +201,8 @@ make -j
sh tools/run.sh
```
* If you want to orientation classifier to correct the detected boxes, you can set `use_angle_cls` in the file `tools/config.txt` as 1 to enable the function.
The detection results will be shown on the screen, which is as follows.