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[cherry-pick] update paddle2onnx doc #14051

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Oct 21, 2024
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[cherry-pick] update paddle2onnx doc #14051

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6 changes: 6 additions & 0 deletions docs/ppocr/infer_deploy/paddle2onnx.en.md
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Expand Up @@ -92,6 +92,12 @@ After execution, the ONNX model will be saved in `./inference/det_onnx/`, `./inf

In addition, the following models do not currently support conversion to ONNX models: NRTR, SAR, RARE, SRN.

If you have optimization needs for the exported ONNX model, we recommend using `onnxslim`.
```bash linenums="1"
pip install onnxslim
onnxslim model.onnx slim.onnx
```

## 3. prediction

Take the English OCR model as an example, use **ONNXRuntime** to predict and execute the following commands:
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6 changes: 6 additions & 0 deletions docs/ppocr/infer_deploy/paddle2onnx.md
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Expand Up @@ -97,6 +97,12 @@ paddle2onnx --model_dir ./inference/ch_ppocr_mobile_v2.0_cls_infer \
--input_shape_dict "{'x': [-1,3,-1,-1]}"
```

如你对导出的 ONNX 模型有优化的需求，推荐使用 `onnxslim` 对模型进行优化:
```bash linenums="1"
pip install onnxslim
onnxslim model.onnx slim.onnx
```

## 3. 推理预测

以中文OCR模型为例，使用 ONNXRuntime 预测可执行如下命令：
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