Author

Wen Luo

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Preprint Aug 2026

VIG: Visual Information Gain as a Reward Signal for Multimodal Chain-of-Thought Compression

Across six main multimodal reasoning benchmarks and three Qwen3-VL-Thinking model sizes, VIG consistently improves the accuracy--efficiency trade-off, supporting the central claim: efficient multimodal reasoning emerges from raising visual information density.

Wen Luo, Xiao-Han Yi, Xiao-Tao Huang et al. · 0 citations