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OpenOCR: An Open-Source Toolkit for General-OCR Research and Applications

如果您觉得本项目有帮助，请为我们点亮Star🌟

license PyPI

简体中文 | English

OpenOCR 是由复旦大学FVL实验室姜育刚教授、陈智能教授指导的OCR团队打造的开源平台，面向「文字检测与识别」、「公式与表格识别」、「文档解析和理解」等通用 OCR 任务。平台集成了统一的训练与评测基准、商用级 OCR 与文档解析系统，以及众多学术论文的核心代码复现。

OpenOCR 致力于构建一个为学术研究与实际应用搭建桥梁的通用 OCR 开源生态，推动 OCR 技术在研究前沿和产业场景中的协同发展与广泛落地。欢迎研究者、开发者和企业使用和提建议。

🚀 快速开始

核心特性

自研OCR算法

  • UniRec-0.1B (Yongkun Du, Zhineng Chen, Yazhen Xie, Weikang Bai, Hao Feng, Wei Shi, Yuchen Su, Can Huang, Yu-Gang Jiang. UniRec-0.1B: Unified Text and Formula Recognition with 0.1B Parameters, Preprint. Doc, Paper)
  • MDiff4STR (Yongkun Du, Miaomiao Zhao, Songlin Fan, Zhineng Chen*, Caiyan Jia, Yu-Gang Jiang. MDiff4STR: Mask Diffusion Model for Scene Text Recognition, AAAI 2026 Oral. Doc, Paper)
  • CMER (Weikang Bai, Yongkun Du, Yuchen Su, Yazhen Xie, Zhineng Chen*. Complex Mathematical Expression Recognition: Benchmark, Large-Scale Dataset and Strong Baseline, AAAI 2026. Doc, Paper.)
  • TextSSR (Xingsong Ye, Yongkun Du, Yunbo Tao, Zhineng Chen*. TextSSR: Diffusion-based Data Synthesis for Scene Text Recognition, ICCV 2025. Paper, Code)
  • SVTRv2 (Yongkun Du, Zhineng Chen*, Hongtao Xie, Caiyan Jia, Yu-Gang Jiang. SVTRv2: CTC Beats Encoder-Decoder Models in Scene Text Recognition, ICCV 2025. Doc, Paper)
  • IGTR (Yongkun Du, Zhineng Chen*, Yuchen Su, Caiyan Jia, Yu-Gang Jiang. Instruction-Guided Scene Text Recognition, TPAMI 2025. Doc, Paper)
  • CPPD (Yongkun Du, Zhineng Chen*, Caiyan Jia, Xiaoting Yin, Chenxia Li, Yuning Du, Yu-Gang Jiang. Context Perception Parallel Decoder for Scene Text Recognition, TPAMI 2025. PaddleOCR Doc, Paper)
  • SMTR&FocalSVTR (Yongkun Du, Zhineng Chen*, Caiyan Jia, Xieping Gao, Yu-Gang Jiang. Out of Length Text Recognition with Sub-String Matching, AAAI 2025. Doc, Paper)
  • DPTR (Shuai Zhao, Yongkun Du, Zhineng Chen*, Yu-Gang Jiang. Decoder Pre-Training with only Text for Scene Text Recognition, ACM MM 2024. Paper)
  • CDistNet (Tianlun Zheng, Zhineng Chen*, Shancheng Fang, Hongtao Xie, Yu-Gang Jiang. CDistNet: Perceiving Multi-Domain Character Distance for Robust Text Recognition, IJCV 2024. Paper)
  • MRN (Tianlun Zheng, Zhineng Chen*, Bingchen Huang, Wei Zhang, Yu-Gang Jiang. MRN: Multiplexed Routing Network for Incremental Multilingual Text Recognition, ICCV 2023. Paper, Code)
  • TPS++ (Tianlun Zheng, Zhineng Chen*, Jinfeng Bai, Hongtao Xie, Yu-Gang Jiang. TPS++: Attention-Enhanced Thin-Plate Spline for Scene Text Recognition, IJCAI 2023. Paper, Code)
  • SVTR (Yongkun Du, Zhineng Chen*, Caiyan Jia, Xiaoting Yin, Tianlun Zheng, Chenxia Li, Yuning Du, Yu-Gang Jiang. SVTR: Scene Text Recognition with a Single Visual Model, IJCAI 2022 (Long). PaddleOCR Doc, Paper)
  • NRTR (Fenfen Sheng, Zhineng Chen, Bo Xu. NRTR: A No-Recurrence Sequence-to-Sequence Model For Scene Text Recognition, ICDAR 2019. Paper)

近期更新

算法复现计划

场景文本识别(STR)

方法 会议/期刊 训练支持 评估支持 贡献者
CRNN TPAMI 2016 ✅ ✅
ASTER TPAMI 2019 ✅ ✅ pretto0
NRTR ICDAR 2019 ✅ ✅
SAR AAAI 2019 ✅ ✅ pretto0
MORAN PR 2019 ✅ ✅
DAN AAAI 2020 ✅ ✅
RobustScanner ECCV 2020 ✅ ✅ pretto0
AutoSTR ECCV 2020 ✅ ✅
SRN CVPR 2020 ✅ ✅ pretto0
SEED CVPR 2020 ✅ ✅
ABINet CVPR 2021 ✅ ✅ YesianRohn
VisionLAN ICCV 2021 ✅ ✅ YesianRohn
PIMNet ACM MM 2021 TODO
SVTR IJCAI 2022 ✅ ✅
PARSeq ECCV 2022 ✅ ✅
MATRN ECCV 2022 ✅ ✅
MGP-STR ECCV 2022 ✅ ✅
LPV IJCAI 2023 ✅ ✅
MAERec(Union14M) ICCV 2023 ✅ ✅
LISTER ICCV 2023 ✅ ✅
CDistNet IJCV 2024 ✅ ✅ YesianRohn
BUSNet AAAI 2024 ✅ ✅
DCTC AAAI 2024 TODO
CAM PR 2024 ✅ ✅
OTE CVPR 2024 ✅ ✅
CFF IJCAI 2024 TODO
DPTR ACM MM 2024 fd-zs
VIPTR ACM CIKM 2024 TODO
IGTR TPAMI 2025 ✅ ✅
SMTR AAAI 2025 ✅ ✅
CPPD TPAMI 2025 ✅ ✅
FocalSVTR-CTC AAAI 2025 ✅ ✅
SVTRv2 ICCV 2025 ✅ ✅
ResNet+Trans-CTC ✅ ✅
ViT-CTC ✅ ✅
MDiff4STR AAAI 2025 Oral ✅ ✅

场景文本检测(STD)

开发中

端到端文本识别(Text Spotting)

开发中

引用

如果我们的工作对您的研究有所帮助，请引用：

@inproceedings{Du2025SVTRv2,
  title={SVTRv2: CTC Beats Encoder-Decoder Models in Scene Text Recognition},
  author={Yongkun Du and Zhineng Chen and Hongtao Xie and Caiyan Jia and Yu-Gang Jiang},
  booktitle={ICCV},
  year={2025},
  pages={20147-20156}
}

@article{du2025unirec,
  title={UniRec-0.1B: Unified Text and Formula Recognition with 0.1B Parameters},
  author={Yongkun Du and Zhineng Chen and Yazhen Xie and Weikang Bai and Hao Feng and Wei Shi and Yuchen Su and Can Huang and Yu-Gang Jiang},
  journal={arXiv preprint arXiv:2512.21095},
  year={2025}
}

致谢

本代码库基于PaddleOCR、PytorchOCR和MMOCR构建，感谢他们的出色工作！