chore: Update ppocr zh_cn model to ppocr v4

assets/resource/model/ocr/README.md

@@ -1,61 +1,23 @@
 # PaddleOCR model
 
-2023/07/06
+2023/09/29
 
-from <https://github.com/PaddlePaddle/PaddleOCR/blob/795c81f1835725dbf9bf9f5a13e0c793dfd5f243/doc/doc_en/models_list_en.md>
+from <https://github.com/PaddlePaddle/PaddleOCR/blob/release/2.7/doc/doc_ch/models_list.md>
 
 ## det model
 
-ch_PP-OCRv3_det [New] Original lightweight model, supporting Chinese, English, multilingual text detection
+ch_PP-OCRv4_det  
+【最新】原始超轻量模型，支持中英文、多语种文本检测
 
-<https://paddleocr.bj.bcebos.com/PP-OCRv3/chinese/ch_PP-OCRv3_det_infer.tar>
+<https://paddleocr.bj.bcebos.com/PP-OCRv4/chinese/ch_PP-OCRv4_det_infer.tar>
 
 ## rec model
 
-ch_PP-OCRv3_rec [New] Original lightweight model, supporting Chinese, English, multilingual text recognition
+ch_PP-OCRv4_rec  
+【最新】超轻量模型，支持中英文、数字识别
 
-<https://paddleocr.bj.bcebos.com/PP-OCRv3/chinese/ch_PP-OCRv3_rec_infer.tar>
+<https://paddleocr.bj.bcebos.com/PP-OCRv4/chinese/ch_PP-OCRv4_rec_infer.tar>
 
 ## rec label
 
-<https://github.com/PaddlePaddle/PaddleOCR/blob/795c81f1835725dbf9bf9f5a13e0c793dfd5f243/ppocr/utils/ppocr_keys_v1.txt>
-
-## command
-
-### det
-
-```bash
-$ paddle2onnx --model_dir . --model_filename inference.pdmodel --params_filename inference.pdiparams --save_file det_unopt.onnx --opset_version 16 --enable_dev_version True --enable_onnx_checker True --deploy_backend onnxruntime 
-[Paddle2ONNX] Start to parse PaddlePaddle model...
-[Paddle2ONNX] Model file path: ./inference.pdmodel
-[Paddle2ONNX] Paramters file path: ./inference.pdiparams
-[Paddle2ONNX] Start to parsing Paddle model...
-[Paddle2ONNX] Use opset_version = 16 for ONNX export.
-[Paddle2ONNX] PaddlePaddle model is exported as ONNX format now.
-2023-07-06 23:36:40 [INFO]      ===============Make PaddlePaddle Better!================
-2023-07-06 23:36:40 [INFO]      A little survey: https://iwenjuan.baidu.com/?code=r8hu2s
-```
-
-```bash
-$ python -m paddle2onnx.optimize --input_model det_unopt.onnx --output_model det.onnx
-2023-07-06 23:37:06 [INFO]      Model optmized, saved in det.onnx.
-```
-
-### rec
-
-```bash
-$ paddle2onnx --model_dir . --model_filename inference.pdmodel --params_filename inference.pdiparams --save_file rec_unopt.onnx --opset_version 16 --enable_dev_version True --enable_onnx_checker True --deploy_backend onnxruntime 
-[Paddle2ONNX] Start to parse PaddlePaddle model...
-[Paddle2ONNX] Model file path: ./inference.pdmodel
-[Paddle2ONNX] Paramters file path: ./inference.pdiparams
-[Paddle2ONNX] Start to parsing Paddle model...
-[Paddle2ONNX] Use opset_version = 16 for ONNX export.
-[Paddle2ONNX] PaddlePaddle model is exported as ONNX format now.
-2023-07-06 23:37:28 [INFO]      ===============Make PaddlePaddle Better!================
-2023-07-06 23:37:28 [INFO]      A little survey: https://iwenjuan.baidu.com/?code=r8hu2s
-```
-
-```bash
-$ python -m paddle2onnx.optimize --input_model rec_unopt.onnx --output_model rec.onnx
-2023-07-06 23:37:37 [INFO]      Model optmized, saved in rec.onnx.
-```
+<https://github.com/PaddlePaddle/PaddleOCR/blob/release/2.6/ppocr/utils/ppocr_keys_v1.txt>