ODM: A Text-Image Further Alignment Pre-training Approach for Scene Text Detection and Spotting

• URL: http://arxiv.org/abs/2403.00303v2
• Date: Wed, 17 Apr 2024 12:05:28 GMT
• Title: ODM: A Text-Image Further Alignment Pre-training Approach for Scene Text Detection and Spotting
• Authors: Chen Duan, Pei Fu, Shan Guo, Qianyi Jiang, Xiaoming Wei,
• Abstract summary: We propose a new pre-training method called OCR-Text Destylization Modeling (ODM) ODM transfers diverse styles of text found in images to a uniform style based on the text prompt. Our method significantly improves performance and outperforms current pre-training methods in scene text detection and spotting tasks.
• Score: 8.397246652127793
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In recent years, text-image joint pre-training techniques have shown promising results in various tasks. However, in Optical Character Recognition (OCR) tasks, aligning text instances with their corresponding text regions in images poses a challenge, as it requires effective alignment between text and OCR-Text (referring to the text in images as OCR-Text to distinguish from the text in natural language) rather than a holistic understanding of the overall image content. In this paper, we propose a new pre-training method called OCR-Text Destylization Modeling (ODM) that transfers diverse styles of text found in images to a uniform style based on the text prompt. With ODM, we achieve better alignment between text and OCR-Text and enable pre-trained models to adapt to the complex and diverse styles of scene text detection and spotting tasks. Additionally, we have designed a new labeling generation method specifically for ODM and combined it with our proposed Text-Controller module to address the challenge of annotation costs in OCR tasks, allowing a larger amount of unlabeled data to participate in pre-training. Extensive experiments on multiple public datasets demonstrate that our method significantly improves performance and outperforms current pre-training methods in scene text detection and spotting tasks. Code is available at https://github.com/PriNing/ODM.

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