Improving MLLM's Document Image Machine Translation via Synchronously Self-reviewing Its OCR Proficiency
On the map: Multimodal LLMs / vision-language models → Document understanding and multimodal RAG
Abstract (arXiv)
Multimodal Large Language Models (MLLMs) have shown strong performance in document image tasks, especially Optical Character Recognition (OCR). However, they struggle with Document Image Machine Translation (DIMT), which requires handling both cross-modal and cross-lingual challenges. Previous efforts to enhance DIMT capability through Supervised Fine-Tuning (SFT) on the DIMT dataset often result in the forgetting of the model's existing monolingual abilities, such as OCR. To address these challenges, we introduce a novel fine-tuning paradigm, named Synchronously Self-Reviewing (SSR) its OCR proficiency, inspired by the concept "Bilingual Cognitive Advantage". Specifically, SSR prompts the model to generate OCR text before producing translation text, which allows the model to leverage its strong monolingual OCR ability while learning to translate text across languages. Comprehensive experiments demonstrate the proposed SSR learning helps mitigate catastrophic forgetting, improving the generalization ability of MLLMs on both OCR and DIMT tasks.
Key facts. Cited by 5 papers in the map (data through 7 Oct 2026). Placed in Document understanding and multimodal RAG, one of 16 directions in Multimodal LLMs / vision-language models. Builds on 23 of its 49 references that are in the map. First posted on arXiv 11 Jul 2025.
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Citing papers per year: 2025: 3; 2026: 2.
5 papers.
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- 2026Global-Local Dual Perception for MLLMs in High-Resolution Text-Rich Image Translationcited by 2
- 2026MMTIT-Bench: A Multilingual and Multi-Scenario Benchmark with Cognition-Perception-Reasoning Guided Text-Image Machine Translation25 Mar 2026
- 2026Global-Local Dual Perception for MLLMs in High-Resolution Text-Rich Image Translation25 Feb 2026
- 2025HiSciBench: A Hierarchical Multi-disciplinary Benchmark for Scientific Intelligence from Reading to Discovery28 Dec 2025
- 2025DocPTBench: Benchmarking End-to-End Photographed Document Parsing and Translation23 Nov 2025
- 2025PRIM: Towards Practical In-Image Multilingual Machine Translation5 Sep 2025
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