Author

Yu-Chieh Lin

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#computer vision May 2026

On Asymmetric Optimization of Reasoning and Perception in Vision-Language Model Post-Training

A controlled diagnostic framework with two synthetic tasks that disentangle perception from reasoning reveals a consistent perception-reasoning asymmetry: post-training improves reasoning more substantially than perception, though the underlying mechanism differs across training paradigms.

Xueqing Wu, Yu-Chieh Lin, Kai-Wei Chang et al. · arXiv.org · 0 citations

Jul 2026

Towards Vision-Free CIR: Attribute-Augmented Scoring and LLM-Based Reranking for Zero-Shot Composed Image Retrieval

This paper introduces a Vision-Free CIR framework that addresses this challenge through two key techniques: Attribute-Augmented Hybrid Scoring, which compensates for lost visual details via explicit attribute matching, and LLM-Based Reranking, which verifies semantic consistency of top candidates.

Ryotaro Shimada, Yu-Chieh Lin, Yuji Nozawa et al. · arXiv.org · 1 citation