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This paper aims to tackle a novel task - Temporal Sentence Grounding in Streaming Videos (TSGSV). The goal of TSGSV is to evaluate the relevance between a video stream and a given sentence query. Unlike regular videos, streaming videos are…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Tian Gan , Xiao Wang , Yan Sun , Jianlong Wu , Qingpei Guo , Liqiang Nie

With only bounding-box annotations in the spatial domain, existing video scene text detection (VSTD) benchmarks lack temporal relation of text instances among video frames, which hinders the development of video text-related applications.…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Yuanqiang Cai , Chang Liu , Weiqiang Wang , Qixiang Ye

Frame quality deterioration is one of the main challenges in the field of video understanding. To compensate for the information loss caused by deteriorated frames, recent approaches exploit transformer-based integration modules to obtain…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Guanxiong Sun , Chi Wang , Zhaoyu Zhang , Jiankang Deng , Stefanos Zafeiriou , Yang Hua

Despite progress in multimodal large language models (MLLMs), the challenge of interpreting long-form videos in response to linguistic queries persists, largely due to the inefficiency in temporal grounding and limited pre-trained context…

计算机视觉与模式识别 · 计算机科学 2024-10-04 Yuxuan Wang , Yueqian Wang , Pengfei Wu , Jianxin Liang , Dongyan Zhao , Yang Liu , Zilong Zheng

Multimodal Large Language Models (MLLMs) have shown strong performance on Video Temporal Grounding (VTG). However, their coarse recognition capabilities are insufficient for fine-grained temporal understanding, making task-specific…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Jiwook Han , Geo Ahn , Youngrae Kim , Jinwoo Choi

Visual grounding is a long-lasting problem in vision-language understanding due to its diversity and complexity. Current practices concentrate mostly on performing visual grounding in still images or well-trimmed video clips. This work, on…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Qianyu Feng , Yunchao Wei , Mingming Cheng , Yi Yang

This paper does not introduce a novel method but instead establishes a straightforward, incremental, yet essential baseline for video temporal grounding (VTG), a core capability in video understanding. While multimodal large language models…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Jun Zhang , Teng Wang , Yuying Ge , Yixiao Ge , Xinhao Li , Ying Shan , Limin Wang

Video scene graph generation (VidSGG) aims to identify objects in visual scenes and infer their relationships for a given video. It requires not only a comprehensive understanding of each object scattered on the whole scene but also a deep…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Tao Pu , Tianshui Chen , Hefeng Wu , Yongyi Lu , Liang Lin

Learned video compression (LVC) has witnessed remarkable advancements in recent years. Similar as the traditional video coding, LVC inherits motion estimation/compensation, residual coding and other modules, all of which are implemented…

图像与视频处理 · 电气工程与系统科学 2023-09-22 Yanbo Gao , Wenjia Huang , Shuai Li , Hui Yuan , Mao Ye , Siwei Ma

Video Temporal Grounding (VTG) strives to accurately pinpoint event timestamps in a specific video using linguistic queries, significantly impacting downstream tasks like video browsing and editing. Unlike traditional task-specific models,…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Yongxin Guo , Jingyu Liu , Mingda Li , Dingxin Cheng , Xiaoying Tang , Dianbo Sui , Qingbin Liu , Xi Chen , Kevin Zhao

Video Temporal Grounding (VTG) is a crucial capability for video understanding models and plays a vital role in downstream tasks such as video browsing and editing. To effectively handle various tasks simultaneously and enable zero-shot…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Yongxin Guo , Jingyu Liu , Mingda Li , Qingbin Liu , Xi Chen , Xiaoying Tang

Spatio-temporal graph neural networks have proven efficacy in capturing complex dependencies for urban computing tasks such as forecasting and kriging. Yet, their performance is constrained by the reliance on extensive data for training on…

机器学习 · 计算机科学 2024-11-08 Junfeng Hu , Xu Liu , Zhencheng Fan , Yifang Yin , Shili Xiang , Savitha Ramasamy , Roger Zimmermann

Temporal Sentence Grounding in Videos (TSGV) aims to temporally localize segments of a video that correspond to a given natural language query. Despite recent progress, most existing TSGV approaches operate under closed-vocabulary settings,…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Tingting Han , Xinsong Tao , Yufei Yin , Min Tan , Sicheng Zhao , Zhou Yu

This paper addresses the temporal sentence grounding (TSG). Although existing methods have made decent achievements in this task, they not only severely rely on abundant video-query paired data for training, but also easily fail into the…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Daizong Liu , Xiaoye Qu , Jianfeng Dong , Pan Zhou , Zichuan Xu , Haozhao Wang , Xing Di , Weining Lu , Yu Cheng

In this paper, we explore a novel task named visual Relation Grounding in Videos (vRGV). The task aims at spatio-temporally localizing the given relations in the form of subject-predicate-object in the videos, so as to provide supportive…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Junbin Xiao , Xindi Shang , Xun Yang , Sheng Tang , Tat-Seng Chua

Video temporal grounding (VTG) is a critical task in video understanding and a key capability for extending video large language models (Vid-LLMs) to broader applications. However, existing Vid-LLMs rely on uniform frame sampling to extract…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Rong Fan , Kaiyan Xiao , Minghao Zhu , Liuyi Wang , Kai Dai , Zhao Yang

Vision-Language Models (VLMs) have become central to autonomous driving systems, yet their deployment is severely bottlenecked by the massive computational overhead of multi-view camera and multi-frame video input. Existing token pruning…

计算机视觉与模式识别 · 计算机科学 2026-04-22 Lin Sha , Haiyun Guo , Tao Wang , Cong Zhang , Min Huang , Jinqiao Wang , Qinghai Miao

Long video understanding is challenging due to rich and complicated multimodal clues in long temporal range.Current methods adopt reasoning to improve the model's ability to analyze complex video clues in long videos via text-form…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Houlun Chen , Xin Wang , Guangyao Li , Yuwei Zhou , Yihan Chen , Jia Jia , Wenwu Zhu

Automating embryo viability prediction for in vitro fertilization (IVF) is important but challenging due to the limited availability of labeled pregnancy outcome data, as only a small fraction of embryos are labeled after transfer.…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Zhiyi Shi , Junsik Kim , Helen Y. Yang , Yonghyun Song , Hyun-Jic Oh , Dalit Ben-Yosef , Daniel Needleman , Hanspeter Pfister

Generating video descriptions automatically is a challenging task that involves a complex interplay between spatio-temporal visual features and language models. Given that videos consist of spatial (frame-level) features and their temporal…

计算机视觉与模式识别 · 计算机科学 2020-01-20 Anoop Cherian , Jue Wang , Chiori Hori , Tim K. Marks