Author

Xinpeng Ding

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Jul 2026

Beyond Frame Selection: Generative Latent Evidence Aggregation for Long-Video Understanding

GenEvA uses a query-conditioned evidence distribution to focus aggregation on relevant frames, forming compact cross-frame latent evidence from their frame-specific information from their frame-specific information.

Bowen Liu, Shu-Ning Wang, Xinpeng Ding et al. · arXiv.org · 2 citations

Preprint Aug 2026

CACSurv: Concordance-Aligned Comparative Learning with Large Language Models for Cancer Survival Prediction

CACSurv reformulates survival modeling as mini-cohort comparative reasoning, where an LLM predicts relative prognostic orderings and introduces concordance-aligned rewards derived from comparable relations under right censoring, enabling censored outcomes to provide ranking supervision without exact event-time targets.

Tianqi Xiang, Qixiang Zhang, Xinpeng Ding et al. · 0 citations