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Weiqin Yang

2 accepted papers

2026

Making Medical Vision-Language Models Think Causally Across Modalities with Retrieval-Augmented Cross-Modal Reasoning

ICASSP 2026poster

Medical vision-language models (VLMs) achieve strong performance in diagnostic reporting and image-text alignment, yet their underlying reasoning mechanisms remain fundamentally correlational, exhibiting reliance on superficial statistical associations that fail to capture the causal pathophysiologi…

Cited by 0SourcePDFScholar
2024

PSL: Rethinking and Improving Softmax Loss from Pairwise Perspective for Recommendation

NeurIPS 2024poster

Softmax Loss (SL) is widely applied in recommender systems (RS) and has demonstrated effectiveness. This work analyzes SL from a pairwise perspective, revealing two significant limitations: 1) the relationship between SL and conventional ranking metrics like DCG is not sufficiently tight; 2) SL is h…