SVSR: A Self-Verification and Self-Rectification Paradigm for Multimodal Reasoning

• URL: http://arxiv.org/abs/2604.10228v1
• Date: Sat, 11 Apr 2026 14:25:17 GMT
• Title: SVSR: A Self-Verification and Self-Rectification Paradigm for Multimodal Reasoning
• Abstract summary: Self-Verification and Self-Rectification (SVSR) is a unified framework that integrates self-verification and self-rectification into the model's reasoning pipeline.<n>SVSR substantially improves robustness and reliability in complex visual understanding and multimodal reasoning tasks.
• Score: 12.51459553492698
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Current multimodal models often suffer from shallow reasoning, leading to errors caused by incomplete or inconsistent thought processes. To address this limitation, we propose Self-Verification and Self-Rectification (SVSR), a unified framework that explicitly integrates self-verification and self-rectification into the model's reasoning pipeline, substantially improving robustness and reliability in complex visual understanding and multimodal reasoning tasks. SVSR is built on a novel three-stage training paradigm. First, we construct a high-quality unified preference dataset by refining reasoning traces from pre-trained vision-language models, incorporating both forward and backward reasoning to embed self-reflective signals. Second, we perform cold-start supervised fine-tuning on this dataset to learn structured, multi-step reasoning behaviors. Third, we apply a Semi-online Direct Preference Optimization (Semi-online DPO) process, continuously augmenting the training corpus with high-quality, model-generated reasoning traces filtered by a powerful teacher VLM. This pipeline enables the model to learn, elicit, and refine its ability to self-verify and self-rectify. Extensive experiments across diverse benchmarks demonstrate that SVSR improves reasoning accuracy and enables stronger generalization to unseen tasks and question types. Notably, once trained with explicit self-reflective reasoning, the model also exhibits improved implicit reasoning ability, outperforming strong baselines even when no explicit reasoning traces are provided. These results highlight the potential of SVSR for building more dependable, introspective, and cognitively aligned multimodal systems.

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