Author

Woojin Jun

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Preprint Sep 2026

Intrinsic Temporal Adaptation of CLIP for Partially Relevant Video Retrieval

This paper proposes an Intrinsic Temporal Adaptation (ITA) framework for PRVR, and introduces Affinity-Weighted Gradient Propagation to address the weakly supervised nature of PRVR, softly aggregating top-$k$ frames based on text-frame affinities and propagating learning signals to multiple query-relevant frames.

Hyun Seok Seong, Woojin Jun, Subeen Lee et al. · 0 citations

Jul 2026

Mitigating Modality and Language-Style Gaps for Zero-Shot Video Moment Retrieval

This work proposes Self-SiMS, a self-similarity-based Moment Proposal and Scoring that exploits intrinsic relationships within videos, enabling robust span generation and scoring and introduces a query-aware MLLM-based reasoning stage to further sharpen alignment between text and video.

Jihyun Lee, Cheol-Ho Cho, Woojin Jun et al. · arXiv.org · 0 citations