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Text Perceptron Detector

This code repository contains the implementations of the paper Text Perceptron: Towards End-to-End Arbitrary-Shaped Text Spotting (AAAI 2020).

This repository only contains the detection part of Text Perceptron. For the entire end-to-end implementation, please going to Text Perceptron Spot

Preparing Dataset

Original images can be downloaded from: Total-Text , SCUT-CTW1500.

The formatted training datalist and test datalist can be found in demo/text_detection/datalist/

Training

Modified the paths of "imgs"/ "pretrained_model"/ "work_space" in the config files demo/text_detection/text_perceptron_det/config/tp_r50_3stages_enlarge.py.

Run the following bash command in the command line,

cd $DAVAR_LAB_OCR_ROOT$/demo/text_detection/text_perceptron_det/
bash dist_train.sh

We provide the implementation of online validation. If you want to close it to save training time, you may modify the startup script to add --no-validate command.

Offline Inference and Evaluation

We provide a demo of forward inference and visualization. You can modify the paths (test_dataset, image_prefix, etc.) in the testing script, and start testing:

python test.py 

Some visualization of detection results are shown:

./vis/pred_img499.jpg ./vis/pred_img566.jpg

Offline Evaluation

The offline evaluation tool can be found in davarocr/demo/text_detection/evaluation/.

Trained Model Download

All of the models are re-implemented and well trained in the based on the opensourced framework mmdetection. So, the results might be slightly different from reported results.

Results on various datasets and trained models download:

Dataset Backbone Pretrained Test Scale Precision Recall Hmean Links
Total-Text (Reported) ResNet-50-3stages-enlarge SynthText L-1350 88.1 78.9 83.3 -
Total-Text ResNet-50-3stages-enlarge SynthText L-1350 89.0 81.1 84.8 config, pth (Access Code: rO1o)
Total-Text ResNet-50 SynthText+IC17, pth (Access Code: 3kh2) L-1350 84.5 80.4 82.4 config, pth (Access Code: 5U6x)
SCUT-CTW1500 (Reported) ResNet-50-3stages-enlarge SynthText L-1250 88.7 78.2 83.1 -
SCUT-CTW1500 ResNet-50-3stages-enlarge SynthText L-1250 86.2 79.9 82.9 config, pth (Access Code: 64P1)
SCUT-CTW1500 (considers NOT CARE) ResNet-50-3stages-enlarge SynthText L-1250 85.9 83.6 84.7 config, pth (Access Code: 64P1)
SCUT-CTW1500 ResNet-50 SynthText+IC17, pth (Access Code: 3kh2) L-1250 87.7 79.8 83.6 config, pth (Access Code: K37w)
SCUT-CTW1500 (considers NOT CARE) ResNet-50 SynthText+IC17, pth (Access Code: 3kh2) L-1250 87.5 84.5 85.9 config, pth (Access Code: K37w)

The original SCUT-CTW1500 was released to only support text detection task, where all text instances are considered. When this dataset was used in text spotting task, some instances (blurred or in other languages) were labeled as not care.

Citation

If you find this repository is helpful to your research, please feel free to cite us:

@inproceedings{qiao2020text,
  title={Text Perceptron: Towards End-to-End Arbitrary-Shaped Text Spotting},
  author={Qiao, Liang and Tang, Sanli and Cheng, Zhanzhan and Xu, Yunlu and Niu, Yi and Pu, Shiliang and Wu, Fei},
  booktitle={Proceedings of the Thirty-Fourth AAAI Conference on Artificial Intelligence (AAAI)},
  pages={11899-11907},
  year={2020}
}

License

This project is released under the Apache 2.0 license

Contact

If there is any suggestion and problem, please feel free to contact the author with qiaoliang6@hikvision.com.