2021-04-06 11:14:30 +08:00
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# NRTR
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## Introduction
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[ALGORITHM]
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```bibtex
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@inproceedings{sheng2019nrtr,
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title={NRTR: A no-recurrence sequence-to-sequence model for scene text recognition},
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author={Sheng, Fenfen and Chen, Zhineng and Xu, Bo},
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booktitle={2019 International Conference on Document Analysis and Recognition (ICDAR)},
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pages={781--786},
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year={2019},
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organization={IEEE}
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}
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```
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2021-04-06 22:39:06 +08:00
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[BACKBONE]
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```bibtex
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@inproceedings{li2019show,
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title={Show, attend and read: A simple and strong baseline for irregular text recognition},
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author={Li, Hui and Wang, Peng and Shen, Chunhua and Zhang, Guyu},
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booktitle={Proceedings of the AAAI Conference on Artificial Intelligence},
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volume={33},
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number={01},
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pages={8610--8617},
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year={2019}
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}
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```
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2021-04-06 11:14:30 +08:00
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## Dataset
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### Train Dataset
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2021-04-10 18:04:36 +08:00
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| trainset | instance_num | repeat_num | source |
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| :-------: | :----------: | :--------: | :----: |
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| SynthText | 7266686 | 1 | synth |
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| Syn90k | 8919273 | 1 | synth |
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2021-04-06 11:14:30 +08:00
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### Test Dataset
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2021-04-10 18:04:36 +08:00
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| testset | instance_num | type |
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| :-----: | :----------: | :-------: |
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| IIIT5K | 3000 | regular |
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| SVT | 647 | regular |
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| IC13 | 1015 | regular |
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| IC15 | 2077 | irregular |
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| SVTP | 645 | irregular |
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| CT80 | 288 | irregular |
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2021-04-06 11:14:30 +08:00
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## Results and Models
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2021-04-10 18:04:36 +08:00
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| Methods | Backbone | | Regular Text | | | | Irregular Text | | download |
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| :-------------------------------------------------------------: | :----------: | :----: | :----------: | :--: | :-: | :--: | :------------: | :--: | :---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------: |
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| | | IIIT5K | SVT | IC13 | | IC15 | SVTP | CT80 |
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| [NRTR](/configs/textrecog/nrtr/nrtr_r31_1by16_1by8_academic.py) | R31-1/16-1/8 | 93.9 | 90.0 | 93.5 | | 74.5 | 78.5 | 86.5 | [model](https://download.openmmlab.com/mmocr/textrecog/nrtr/nrtr_r31_academic_20210406-954db95e.pth) \| [log](https://download.openmmlab.com/mmocr/textrecog/nrtr/20210406_010150.log.json) |
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| [NRTR](/configs/textrecog/nrtr/nrtr_r31_1by8_1by4_academic.py) | R31-1/8-1/4 | 94.7 | 87.5 | 93.3 | | 75.1 | 78.9 | 87.9 | [model](https://download.openmmlab.com/mmocr/textrecog/nrtr/nrtr_r31_1by8_1by4_academic_20210406-ce16e7cc.pth) \| [log](https://download.openmmlab.com/mmocr/textrecog/nrtr/20210406_160845.log.json) |
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2021-04-06 11:14:30 +08:00
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**Notes:**
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2021-04-10 18:04:36 +08:00
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- `R31-1/16-1/8` means the height of feature from backbone is 1/16 of input image, where 1/8 for width.
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- `R31-1/8-1/4` means the height of feature from backbone is 1/8 of input image, where 1/4 for width.
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