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相关论文: LocVTP: Video-Text Pre-training for Temporal Local…

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In light of recent advances in multimodal Large Language Models (LLMs), there is increasing attention to scaling them from image-text data to more informative real-world videos. Compared to static images, video poses unique challenges for…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Yang Jin , Zhicheng Sun , Kun Xu , Kun Xu , Liwei Chen , Hao Jiang , Quzhe Huang , Chengru Song , Yuliang Liu , Di Zhang , Yang Song , Kun Gai , Yadong Mu

The application of Contrastive Language-Image Pre-training (CLIP) in Weakly Supervised Semantic Segmentation (WSSS) research powerful cross-modal semantic understanding capabilities. Existing methods attempt to optimize input text prompts…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Zhongxing Xu , Feilong Tang , Zhe Chen , Yingxue Su , Zhiyi Zhao , Ge Zhang , Jionglong Su , Zongyuan Ge

Video Temporal Grounding (VTG), the task of localizing video segments from text queries, struggles in open-world settings due to limited dataset scale and semantic diversity, causing performance gaps between common and rare concepts. To…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Minghang Zheng , Zihao Yin , Yi Yang , Yuxin Peng , Yang Liu

In real scenarios, videos can span several minutes or even hours. However, existing research on spatio-temporal video grounding (STVG), given a textual query, mainly focuses on localizing targets in short videos of tens of seconds,…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Xin Gu , Bing Fan , Jiali Yao , Zhipeng Zhang , Yan Huang , Cheng Han , Heng Fan , Libo Zhang

In the past few years, the emergence of pre-training models has brought uni-modal fields such as computer vision (CV) and natural language processing (NLP) to a new era. Substantial works have shown they are beneficial for downstream…

计算机视觉与模式识别 · 计算机科学 2024-04-19 Feilong Chen , Duzhen Zhang , Minglun Han , Xiuyi Chen , Jing Shi , Shuang Xu , Bo Xu

This paper surveys vision-language pre-training (VLP) methods for multimodal intelligence that have been developed in the last few years. We group these approaches into three categories: ($i$) VLP for image-text tasks, such as image…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Zhe Gan , Linjie Li , Chunyuan Li , Lijuan Wang , Zicheng Liu , Jianfeng Gao

Large-scale video-language pre-training has shown significant improvement in video-language understanding tasks. Previous studies of video-language pretraining mainly focus on short-form videos (i.e., within 30 seconds) and sentences,…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Yuchong Sun , Hongwei Xue , Ruihua Song , Bei Liu , Huan Yang , Jianlong Fu

The temporal answering grounding in the video (TAGV) is a new task naturally derived from temporal sentence grounding in the video (TSGV). Given an untrimmed video and a text question, this task aims at locating the matching span from the…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Bin Li , Yixuan Weng , Bin Sun , Shutao Li

Visual prompt tuning (VPT) is a promising solution incorporating learnable prompt tokens to customize pre-trained models for downstream tasks. However, VPT and its variants often encounter challenges like prompt initialization, prompt…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Yuzhu Wang , Lechao Cheng , Chaowei Fang , Dingwen Zhang , Manni Duan , Meng Wang

Do video-text transformers learn to model temporal relationships across frames? Despite their immense capacity and the abundance of multimodal training data, recent work has revealed the strong tendency of video-text models towards…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Yi Li , Kyle Min , Subarna Tripathi , Nuno Vasconcelos

Visual grounding seeks to localize the image region corresponding to a free-form text description. Recently, the strong multimodal capabilities of Large Vision-Language Models (LVLMs) have driven substantial improvements in visual…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Seil Kang , Jinyeong Kim , Junhyeok Kim , Seong Jae Hwang

Continual learning aims to update a model so that it can sequentially learn new tasks without forgetting previously acquired knowledge. Recent continual learning approaches often leverage the vision-language model CLIP for its…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Yue Ma , Huantao Ren , Boyu Wang , Jingang Jin , Senem Velipasalar , Qinru Qiu

Recently, Vision-Language Pre-training (VLP) techniques have greatly benefited various vision-language tasks by jointly learning visual and textual representations, which intuitively helps in Optical Character Recognition (OCR) tasks due to…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Chuhui Xue , Wenqing Zhang , Yu Hao , Shijian Lu , Philip Torr , Song Bai

We present GLIPv2, a grounded VL understanding model, that serves both localization tasks (e.g., object detection, instance segmentation) and Vision-Language (VL) understanding tasks (e.g., VQA, image captioning). GLIPv2 elegantly unifies…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Haotian Zhang , Pengchuan Zhang , Xiaowei Hu , Yen-Chun Chen , Liunian Harold Li , Xiyang Dai , Lijuan Wang , Lu Yuan , Jenq-Neng Hwang , Jianfeng Gao

Vision-Language Tracking (VLT) aims to localize a target in video sequences using a visual template and language description. While textual cues enhance tracking potential, current datasets typically contain much more image data than text,…

计算机视觉与模式识别 · 计算机科学 2024-12-30 X. Feng , D. Zhang , S. Hu , X. Li , M. Wu , J. Zhang , X. Chen , K. Huang

What makes a video task uniquely suited for videos, beyond what can be understood from a single image? Building on recent progress in self-supervised image-language models, we revisit this question in the context of video and language…

计算机视觉与模式识别 · 计算机科学 2022-06-06 Shyamal Buch , Cristóbal Eyzaguirre , Adrien Gaidon , Jiajun Wu , Li Fei-Fei , Juan Carlos Niebles

This thesis explores the central question of how to leverage temporal relations among video elements to advance video understanding. Addressing the limitations of existing methods, the work presents a five-fold contribution: (1) an…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Thong Thanh Nguyen

Vision and Language Models (VLMs), such as CLIP, have enabled visual recognition of a potentially unlimited set of categories described by text prompts. However, for the best visual recognition performance, these models still require tuning…

计算机视觉与模式识别 · 计算机科学 2023-09-14 M. Jehanzeb Mirza , Leonid Karlinsky , Wei Lin , Horst Possegger , Rogerio Feris , Horst Bischof

Vision-language pre-training (VLP) methods are blossoming recently, and its crucial goal is to jointly learn visual and textual features via a transformer-based architecture, demonstrating promising improvements on a variety of…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Weihan Wang , Zhen Yang , Bin Xu , Juanzi Li , Yankui Sun

Contrastive learning has delivered impressive results for various tasks in the self-supervised regime. However, existing approaches optimize for learning representations specific to downstream scenarios, i.e., \textit{global}…

机器学习 · 计算机科学 2021-10-29 Shuang Ma , Zhaoyang Zeng , Daniel McDuff , Yale Song