Decompose Radicals, Then Reward: Fine-Grained Inspection for Accurate Chinese Text Rendering

arXiv:2609.37569 · cs.CV · Submitted 2026-09-29 · Read on arXiv

cs.CV

Submitted: 2026-09-29

Updated: 2026-09-29

Terminology

• GRPO — 19× in this paper · explained in 6 episodes
• Alignment — 15× in this paper · explained in 1 episode
• Semantic Alignment — 7× in this paper · explained in 3 episodes
• Benchmark — 6× in this paper · explained in 2 episodes
• Consistency — 5× in this paper · explained in 3 episodes
• Diffusion Model — 5× in this paper · explained in 8 episodes
• Diffusion Models — 5× in this paper · explained in 6 episodes
• Fidelity — 5× in this paper · explained in 2 episodes
• Frozen model — 3× in this paper · explained in 3 episodes
• Ablation — 2× in this paper · explained in 1 episode
• Accuracy — 2× in this paper · explained in 1 episode
• Core — 2× in this paper · explained in 2 episodes
• Embodied AI — 2× in this paper · explained in 2 episodes
• Generative Model — 2× in this paper · explained in 2 episodes
• Ideographic Description Sequences — 2× in this paper
• Reinforcement Learning — 2× in this paper · explained in 4 episodes
• Adaptation — 1× in this paper · explained in 1 episode
• F1 Score — 1× in this paper · explained in 3 episodes
• Failure Modes — 1× in this paper · explained in 3 episodes
• Flow Matching — 1× in this paper · explained in 8 episodes
• Flow Matching Model — 1× in this paper · explained in 2 episodes
• Generative Models — 1× in this paper · explained in 2 episodes
• Grounding — 1× in this paper · explained in 3 episodes
• Latent Diffusion Model — 1× in this paper · explained in 2 episodes
• Latent Diffusion Models — 1× in this paper · explained in 2 episodes
• LoRA Adapters — 1× in this paper · explained in 3 episodes
• Transformer — 1× in this paper · explained in 2 episodes
• Unified Framework — 1× in this paper · explained in 5 episodes

Sources

• PaddleOCR 3.0 Technical Report
• TextAlign: Preference Alignment for Text Rendering with Hierarchical Rewards
• X-Omni: Reinforcement Learning Makes Discrete Autoregressive Image Generative Models Great Again
• HunyuanOCR-1.5: Making Lightweight OCR VLMs Faster and Better
• Flow-Factory: A Unified Framework for Reinforcement Learning in Flow-Matching Models
• DeepSeekMath: Pushing the Limits of Mathematical Reasoning in Open Language Models
• AnyText2: Visual Text Generation and Editing With Customizable Attributes
• Qwen-Image Technical Report
• All-in-One Multilingual Scene Text Recognition with Script-aware Mixture-of-Experts
• OCRGenBench: A Comprehensive Benchmark for Evaluating OCR Generative Capabilities
• Zero-Shot Chinese Character Recognition with Hierarchical Multi-Granularity Image-Text Aligning

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