Add custom detection and recognition model usage instructions in re (#8930)

* Add custom detection and recognition model usage instructions in re

* update

* Add custom detection and recognition model usage instructions in re

ppstructure/kie/README.md

@@ -186,6 +186,10 @@ python3 ./tools/infer_kie_token_ser_re.py \
 
 The visual result images and the predicted text file will be saved in the `Global.save_res_path` directory.
 
+If you want to use a custom ocr model, you can set it through the following fields
+- `Global.kie_det_model_dir`: the detection inference model path
+- `Global.kie_rec_model_dir`: the recognition inference model path
+
 
 If you want to load the text detection and recognition results collected before, you can use the following command to predict.
 
@@ -257,6 +261,9 @@ python3 kie/predict_kie_token_ser_re.py \
 
 The visual results and text file will be saved in directory `output`.
 
+If you want to use a custom ocr model, you can set it through the following fields
+- `--det_model_dir`: the detection inference model path
+- `--rec_model_dir`: the recognition inference model path
 
 ### 4.3 More
 

ppstructure/kie/README_ch.md

@@ -170,6 +170,10 @@ python3 ./tools/infer_kie_token_ser_re.py \
 
 `Global.save_res_path`目录中会保存可视化的结果图像以及预测的文本文件。
 
+如果想使用自定义OCR模型，可通过如下字段进行设置
+- `Global.kie_det_model_dir`: 设置检测inference模型地址
+- `Global.kie_rec_model_dir`: 设置识别inference模型地址
+
 
 如果希望加载标注好的文本检测与识别结果，仅预测可以使用下面的命令进行预测。
 
@@ -239,6 +243,9 @@ python3 kie/predict_kie_token_ser_re.py \
 
 可视化结果保存在`output`目录下。
 
+如果想使用自定义OCR模型，可通过如下字段进行设置
+- `--det_model_dir`: 设置检测inference模型地址
+- `--rec_model_dir`: 设置识别inference模型地址
 
 ### 4.3 更多