TextSSR: Diffusion-based Data Synthesis for Scene Text Recognition

• URL: http://arxiv.org/abs/2412.01137v1
• Date: Mon, 02 Dec 2024 05:26:25 GMT
• Title: TextSSR: Diffusion-based Data Synthesis for Scene Text Recognition
• Authors: Xingsong Ye, Yongkun Du, Yunbo Tao, Zhineng Chen,
• Abstract summary: TextSSR is a novel framework for Synthesizing Scene Text Recognition data. It ensures accuracy by focusing on generating text within a specified image region. We construct an anagram-based TextSSR-F dataset with 0.4 million text instances with complexity and realism.
• Score: 7.560970003549404
• License:
• Abstract: Scene text recognition (STR) suffers from the challenges of either less realistic synthetic training data or the difficulty of collecting sufficient high-quality real-world data, limiting the effectiveness of trained STR models. Meanwhile, despite producing holistically appealing text images, diffusion-based text image generation methods struggle to generate accurate and realistic instance-level text on a large scale. To tackle this, we introduce TextSSR: a novel framework for Synthesizing Scene Text Recognition data via a diffusion-based universal text region synthesis model. It ensures accuracy by focusing on generating text within a specified image region and leveraging rich glyph and position information to create the less complex text region compared to the entire image. Furthermore, we utilize neighboring text within the region as a prompt to capture real-world font styles and layout patterns, guiding the generated text to resemble actual scenes. Finally, due to its prompt-free nature and capability for character-level synthesis, TextSSR enjoys a wonderful scalability and we construct an anagram-based TextSSR-F dataset with 0.4 million text instances with complexity and realism. Experiments show that models trained on added TextSSR-F data exhibit better accuracy compared to models trained on 4 million existing synthetic data. Moreover, its accuracy margin to models trained fully on a real-world dataset is less than 3.7%, confirming TextSSR's effectiveness and its great potential in scene text image synthesis. Our code is available at https://github.com/YesianRohn/TextSSR.

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