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Mingbo Yang

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#artificial intelligence Preprint Sep 2026

Beyond Surface Imitation: Contrastive Modeling for Reasoning Path Alignment in Multimodal In-Context Learning

A new multimodal ICL framework is proposed that combines contrastive demonstration modeling with the self-refinement capability of MLLMs and consistently improves MLLM performance, with particularly notable gains on visual question answering (VQA).

Ming-Bo Yang, Wen-Qiang Wang, Zhaolu Kang et al. · 1 citation
Jul 2026

VFAD: Variational Semantic Prompting Meets Frequency-Adaptive Representation Learning for Zero-Shot Anomaly Detection

This work introduces a Variational Semantic Prompt Extractor (VSPE), which adaptively aggregates anomaly-relevant local semantics from dense patch tokens and regularizes them through a variational information bottleneck, thereby incorporating fine-grained visual cues and enabling more precise cross-modal alignment.

Peng Chen, Kai-Ge Li, Wei Wang et al. · 0 citations
Preprint Aug 2026

COMET: Contrastive Motion-Enhanced Temporal Reasoning for Video Multimodal Large Language Models

COMET is a temporally grounded framework that systematically strengthens video MLLMs through explicit temporal representation, appearance-motion fusion, and direction-aware optimization and achieves consistent overall improvements with a pronounced motion-temporal bias.

Cheng-Hua Zhu, Zhaolu Kang, Qifan Shi et al. · 1 citation
Conference Open access Sep 2026

Performance-Driven Demonstration Selection for In-Context Learning

Performance-Driven Demonstration Selection (PDDS), which directly aligns demonstration selection with ICL performance, is proposed, which formulates selection as predicting the target LLM’s downstream task performance for a given query–in-context pair, replacing proxy heuristics with a performance-aware objec-tive.

Wen-Qiang Wang, Ming-Bo Yang, Ai-Ping Zhang et al. · 0 citations

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