collaborators

6 papers

cs.CV2026

GenSpan: Generation-Calibrated Motion Span Priors for Multi-Verb Video Corpus Moment Retrieval

Yunzhuo Sun, Xinyue Liu, Yanyang Li +4

Video Corpus Moment Retrieval (VCMR) aims to retrieve both the correct video and its temporal segment corresponding to a natural-language query, a task that is especially challengi…

cs.CV2025

HiFi-Portrait: Zero-shot Identity-preserved Portrait Generation with High-fidelity Multi-face Fusion

Yifang Xu, Benxiang Zhai, Yunzhuo Sun +3

Recent advancements in diffusion-based technologies have made significant strides, particularly in identity-preserved portrait generation (IPG). However, when using multiple refere…

cs.CV2025

Multi-modal Fusion and Query Refinement Network for Video Moment Retrieval and Highlight Detection

Yifang Xu, Yunzhuo Sun, Benxiang Zhai +3

Given a video and a linguistic query, video moment retrieval and highlight detection (MR&HD) aim to locate all the relevant spans while simultaneously predicting saliency scores. M…

cs.MM2025

Zero-shot Video Moment Retrieval via Off-the-shelf Multimodal Large Language Models

Yifang Xu, Yunzhuo Sun, Benxiang Zhai +4

The target of video moment retrieval (VMR) is predicting temporal spans within a video that semantically match a given linguistic query. Existing VMR methods based on multimodal la…

cs.CV2024

GPTSee: Enhancing Moment Retrieval and Highlight Detection via Description-Based Similarity Features

Yunzhuo Sun, Yifang Xu, Zien Xie +2

Moment retrieval (MR) and highlight detection (HD) aim to identify relevant moments and highlights in video from corresponding natural language query. Large language models (LLMs)…

cs.CV2024

VTG-GPT: Tuning-Free Zero-Shot Video Temporal Grounding with GPT

Yifang Xu, Yunzhuo Sun, Zien Xie +2

Video temporal grounding (VTG) aims to locate specific temporal segments from an untrimmed video based on a linguistic query. Most existing VTG models are trained on extensive anno…