提交 d74640dd 编写于 作者: L lubin10

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# RARE
- [1. Introduction to Algorithms](#1)
- [2. Environment Configuration](#2)
- [3. Model training, evaluation, prediction](#3)
- [3.1 Training](#3-1)
- [3.2 Evaluation](#3-2)
- [3.3 Forecast](#3-3)
- [4. Inference Deployment](#4)
- [4.1 Python Reasoning](#4-1)
- [4.2 C++ Reasoning] (#4-2)
- [4.3 Serving service deployment](#4-3)
- [4.4 More inference deployments](#4-4)
- [5. FAQ](#5)
<a name="1"></a>
## 1. Introduction to the algorithm
Paper information:
> [Robust Scene Text Recognition with Automatic Rectification](https://arxiv.org/abs/1603.03915v2)
> Baoguang Shi, Xinggang Wang, Pengyuan Lyu, Cong Yao, Xiang Bai∗
> CVPR, 2016
Using MJSynth and SynthText two text recognition datasets for training, and evaluating on IIIT, SVT, IC03, IC13, IC15, SVTP, CUTE datasets, the algorithm reproduction effect is as follows:
|Models|Backbone Networks|Configuration Files|Avg Accuracy|Download Links|
| --- | --- | --- | --- | --- |
|RARE|Resnet34_vd|[configs/rec/rec_r34_vd_tps_bilstm_att.yml](../../configs/rec/rec_r34_vd_tps_bilstm_att.yml)|83.6%|[training model](https://paddleocr.bj.bcebos.com/dygraph_v2.0/en/rec_r34_vd_tps_bilstm_att_v2.0_train.tar)|
|RARE|MobileNetV3|[configs/rec/rec_mv3_tps_bilstm_att.yml](../../configs/rec/rec_mv3_tps_bilstm_att.yml)|82.5%|[trained model](https://paddleocr.bj.bcebos.com/dygraph_v2.0/en/rec_mv3_tps_bilstm_att_v2.0_train.tar)|
<a name="2"></a>
## 2. Environment configuration
Please refer to ["Operating Environment Preparation"](./environment.md) to configure the PaddleOCR operating environment, and refer to ["Project Clone"](./clone.md) to clone the project code.
<a name="3"></a>
## 3. Model training, evaluation, prediction
Please refer to [Text Recognition Training Tutorial](./recognition.md). PaddleOCR modularizes the code, and training different recognition models only requires **changing the configuration file**. Take the backbone network based on Resnet34_vd as an example:
<a name="3-1"></a>
### 3.1 Training
````
#Single card training (long training period, not recommended)
python3 tools/train.py -c configs/rec/rec_r34_vd_tps_bilstm_att.yml
#Multi-card training, specify the card number through the --gpus parameter
python3 -m paddle.distributed.launch --gpus '0,1,2,3' tools/train.py -c configs/rec/rec_r34_vd_tps_bilstm_att.yml
````
<a name="3.2"></a>
### 3.2 Evaluation
````
# GPU evaluation, Global.pretrained_model is the model to be evaluated
python3 -m paddle.distributed.launch --gpus '0' tools/eval.py -c configs/rec/rec_r34_vd_tps_bilstm_att.yml -o Global.pretrained_model={path/to/weights}/best_accuracy
````
<a name="3.3"></a>
### 3.3 Prediction
````
python3 tools/infer_rec.py -c configs/rec/rec_r34_vd_tps_bilstm_att.yml -o Global.pretrained_model={path/to/weights}/best_accuracy Global.infer_img=doc/imgs_words/en/word_1.png
````
<a name="4"></a>
## 4. Inference Deployment
<a name="4-1"></a>
### 4.1 Python Reasoning
First, convert the model saved during the RARE text recognition training process into an inference model. Take the model trained on the MJSynth and SynthText text recognition datasets based on the Resnet34_vd backbone network as an example ([Model download address](https://paddleocr.bj.bcebos.com/dygraph_v2.0/en/rec_r34_vd_tps_bilstm_att_v2.0_train.tar) ), which can be converted using the following command:
```shell
python3 tools/export_model.py -c configs/rec/rec_r34_vd_tps_bilstm_att.yml -o Global.pretrained_model=./rec_r34_vd_tps_bilstm_att_v2.0_train/best_accuracy Global.save_inference_dir=./inference/rec_rare
````
RARE text recognition model inference, you can execute the following commands:
```shell
python3 tools/infer/predict_rec.py --image_dir="doc/imgs_words/en/word_1.png" --rec_model_dir="./inference/rec_rare/"
````
<a name="4-2"></a>
### 4.2 C++ Reasoning
Not currently supported
<a name="4-3"></a>
### 4.3 Serving service deployment
Not currently supported
<a name="4-4"></a>
### 4.4 More inference deployment
The RARE model also supports the following inference deployment methods:
- Paddle2ONNX Inference: After preparing the inference model, refer to the [paddle2onnx](../../deploy/paddle2onnx/) tutorial.
<a name="5"></a>
## 5. FAQ
## Quote
````bibtex
@inproceedings{2016Robust,
title={Robust Scene Text Recognition with Automatic Rectification},
author={ Shi, B. and Wang, X. and Lyu, P. and Cong, Y. and Xiang, B. },
booktitle={2016 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
year={2016},
}
````
#rosetta
- [1. Introduction to Algorithms](#1)
- [2. Environment Configuration](#2)
- [3. Model training, evaluation, prediction](#3)
- [3.1 Training](#3-1)
- [3.2 Evaluation](#3-2)
- [3.3 Forecast](#3-3)
- [4. Inference Deployment](#4)
- [4.1 Python Reasoning](#4-1)
- [4.2 C++ Reasoning] (#4-2)
- [4.3 Serving service deployment](#4-3)
- [4.4 More inference deployments](#4-4)
- [5. FAQ](#5)
<a name="1"></a>
## 1. Introduction to the algorithm
Paper information:
> [Rosetta: Large Scale System for Text Detection and Recognition in Images](https://arxiv.org/abs/1910.05085)
> Borisyuk F , Gordo A , V Sivakumar
> KDD, 2018
Using MJSynth and SynthText two text recognition datasets for training, and evaluating on IIIT, SVT, IC03, IC13, IC15, SVTP, CUTE datasets, the algorithm reproduction effect is as follows:
|Models|Backbone Networks|Configuration Files|Avg Accuracy|Download Links|
| --- | --- | --- | --- | --- |
|Rosetta|Resnet34_vd|[configs/rec/rec_r34_vd_none_none_ctc.yml](../../configs/rec/rec_r34_vd_none_none_ctc.yml)|79.11%|[training model](https://paddleocr.bj.bcebos.com/dygraph_v2.0/en/rec_r34_vd_none_none_ctc_v2.0_train.tar)|
|Rosetta|MobileNetV3|[configs/rec/rec_mv3_none_none_ctc.yml](../../configs/rec/rec_mv3_none_none_ctc.yml)|75.80%|[training model](https://paddleocr.bj.bcebos.com/dygraph_v2.0/en/rec_mv3_none_none_ctc_v2.0_train.tar)|
<a name="2"></a>
## 2. Environment configuration
Please refer to ["Operating Environment Preparation"](./environment.md) to configure the PaddleOCR operating environment, and refer to ["Project Clone"](./clone.md) to clone the project code.
<a name="3"></a>
## 3. Model training, evaluation, prediction
Please refer to [Text Recognition Training Tutorial](./recognition.md). PaddleOCR modularizes the code, and training different recognition models only requires **changing the configuration file**. Take the backbone network based on Resnet34_vd as an example:
<a name="3-1"></a>
### 3.1 Training
````
#Single card training (long training period, not recommended)
python3 tools/train.py -c configs/rec/rec_r34_vd_none_none_ctc.yml
#Multi-card training, specify the card number through the --gpus parameter
python3 -m paddle.distributed.launch --gpus '0,1,2,3' tools/train.py -c configs/rec/rec_r34_vd_none_none_ctc.yml
````
<a name="3-2"></a>
### 3.2 Evaluation
````
# GPU evaluation, Global.pretrained_model is the model to be evaluated
python3 -m paddle.distributed.launch --gpus '0' tools/eval.py -c configs/rec/rec_r34_vd_none_none_ctc.yml -o Global.pretrained_model={path/to/weights}/best_accuracy
````
<a name="3-3"></a>
### 3.3 Prediction
````
python3 tools/infer_rec.py -c configs/rec/rec_r34_vd_none_none_ctc.yml -o Global.pretrained_model={path/to/weights}/best_accuracy Global.infer_img=doc/imgs_words/en/word_1.png
````
<a name="4"></a>
## 4. Inference Deployment
<a name="4-1"></a>
### 4.1 Python Reasoning
First, convert the model saved during the Rosetta text recognition training process into an inference model. Take the model trained on the MJSynth and SynthText text recognition datasets based on the Resnet34_vd backbone network as an example ( [Model download address](https://paddleocr.bj.bcebos.com/dygraph_v2.0/en/rec_r34_vd_none_none_ctc_v2.0_train.tar) ), which can be converted using the following command:
```shell
python3 tools/export_model.py -c configs/rec/rec_r34_vd_none_none_ctc.yml -o Global.pretrained_model=./rec_r34_vd_none_none_ctc_v2.0_train/best_accuracy Global.save_inference_dir=./inference/rec_rosetta
````
Rosetta text recognition model inference, you can execute the following commands:
```shell
python3 tools/infer/predict_rec.py --image_dir="doc/imgs_words/en/word_1.png" --rec_model_dir="./inference/rec_rosetta/"
````
<a name="4-2"></a>
### 4.2 C++ Reasoning
Not currently supported
<a name="4-3"></a>
### 4.3 Serving service deployment
Not currently supported
<a name="4-4"></a>
### 4.4 More inference deployment
The Rosetta model also supports the following inference deployment methods:
- Paddle2ONNX Inference: After preparing the inference model, refer to the [paddle2onnx](../../deploy/paddle2onnx/) tutorial.
<a name="5"></a>
## 5. FAQ
## Quote
````bibtex
@inproceedings{2018Rosetta,
title={Rosetta: Large Scale System for Text Detection and Recognition in Images},
author={ Borisyuk, Fedor and Gordo, Albert and Sivakumar, Viswanath },
booktitle={the 24th ACM SIGKDD International Conference},
year={2018},
}
````
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