中文
相关论文

相关论文: Spotting Micro-Expressions on Long Videos Sequence…

200 篇论文

Training-free video large language models (LLMs) leverage pretrained Image LLMs to process video content without the need for further training. A key challenge in such approaches is the difficulty of retaining essential visual and temporal…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Leqi Shen , Tao He , Guoqiang Gong , Fan Yang , Yifeng Zhang , Pengzhang Liu , Sicheng Zhao , Guiguang Ding

In this paper, we place the atomic action detection problem into a Long-Short Term Context (LSTC) to analyze how the temporal reliance among video signals affect the action detection results. To do this, we decompose the action recognition…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Yuxi Li , Boshen Zhang , Jian Li , Yabiao Wang , Weiyao Lin , Chengjie Wang , Jilin Li , Feiyue Huang

Traditional temporal action detection (TAD) usually handles untrimmed videos with small number of action instances from a single label (e.g., ActivityNet, THUMOS). However, this setting might be unrealistic as different classes of actions…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Jing Tan , Xiaotong Zhao , Xintian Shi , Bin Kang , Limin Wang

Video transformer naturally incurs a heavier computation burden than a static vision transformer, as the former processes $T$ times longer sequence than the latter under the current attention of quadratic complexity $(T^2N^2)$. The existing…

计算机视觉与模式识别 · 计算机科学 2022-07-26 Hao Zhang , Lechao Cheng , Yanbin Hao , Chong-Wah Ngo

We address temporal action localization in untrimmed long videos. This is important because videos in real applications are usually unconstrained and contain multiple action instances plus video content of background scenes or other…

计算机视觉与模式识别 · 计算机科学 2016-04-25 Zheng Shou , Dongang Wang , Shih-Fu Chang

Despite the rapid development of video Large Language Models (LLMs), a comprehensive evaluation is still absent. In this paper, we introduce a unified evaluation that encompasses multiple video tasks, including captioning, question and…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Shuailin Li , Yuang Zhang , Yucheng Zhao , Qiuyue Wang , Fan Jia , Yingfei Liu , Tiancai Wang

Learning to localize actions in long, cluttered, and untrimmed videos is a hard task, that in the literature has typically been addressed assuming the availability of large amounts of annotated training samples for each class -- either in a…

计算机视觉与模式识别 · 计算机科学 2021-09-24 Ting-Ting Xie , Christos Tzelepis , Fan Fu , Ioannis Patras

Reconstructing 3D human pose and shape from monocular videos is a well-studied but challenging problem. Common challenges include occlusions, the inherent ambiguities in the 2D to 3D mapping and the computational complexity of video…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Nikolaos Vasilikopoulos , Nikos Kolotouros , Aggeliki Tsoli , Antonis Argyros

Facial expression in-the-wild is essential for various interactive computing domains. Especially, "Learning from Synthetic Data" (LSD) is an important topic in the facial expression recognition task. In this paper, we propose a multi-task…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Jae-Yeop Jeong , Yeong-Gi Hong , JiYeon Oh , Sumin Hong , Jin-Woo Jeong , Yuchul Jung

Micro-expressions are short bursts of emotion that are difficult to hide. Their detection in children is an important cue to assist psychotherapists in conducting better therapy. However, existing research on the detection of…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Nikin~Matharaarachchi , Muhammad~Fermi Pasha , Sonya~Coleman , Kah PengWong

Large language models (LLMs) now support extremely long context windows, but the quadratic complexity of vanilla attention results in significantly long Time-to-First-Token (TTFT) latency. Existing approaches to address this complexity…

计算与语言 · 计算机科学 2025-09-04 Qianchao Zhu , Jiangfei Duan , Chang Chen , Siran Liu , Guanyu Feng , Xin Lv , Xiao Chuanfu , Dahua Lin , Chao Yang

Sign spotting, the task of identifying and localizing individual signs within continuous sign language video, plays a pivotal role in scaling dataset annotations and addressing the severe data scarcity issue in sign language translation.…

计算机视觉与模式识别 · 计算机科学 2025-08-08 JianHe Low , Ozge Mercanoglu Sincan , Richard Bowden

Large video-language models (LVLMs) have shown remarkable performance across various video-language tasks. However, they encounter significant challenges when processing long videos because of the large number of video frames involved.…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Junwen Pan , Rui Zhang , Xin Wan , Yuan Zhang , Ming Lu , Qi She

We propose a novel supervised learning technique for summarizing videos by automatically selecting keyframes or key subshots. Casting the problem as a structured prediction problem on sequential data, our main idea is to use Long Short-Term…

计算机视觉与模式识别 · 计算机科学 2016-08-01 Ke Zhang , Wei-Lun Chao , Fei Sha , Kristen Grauman

Large Language Models (LLMs) have demonstrated effectiveness not only in language tasks but also in video reasoning. This paper introduces a novel dataset, Tropes in Movies (TiM), designed as a testbed for exploring two critical yet…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Hung-Ting Su , Chun-Tong Chao , Ya-Ching Hsu , Xudong Lin , Yulei Niu , Hung-Yi Lee , Winston H. Hsu

This report introduces an improved method for the Tracking Any Point~(TAP), focusing on monitoring physical surfaces in video footage. Despite their success with short-sequence scenarios, TAP methods still face performance degradation and…

计算机视觉与模式识别 · 计算机科学 2024-10-23 Yuxuan Zhang , Pengsong Niu , Kun Yu , Qingguo Chen , Yang Yang

Emotion estimation in general is a field that has been studied for a long time, and several approaches exist using machine learning. in this paper, we present an LSTM model, that processes the blend-shapes produced by the library MediaPipe,…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Samer Attrah

Temporal action localization is an important step towards video understanding. Most current action localization methods depend on untrimmed videos with full temporal annotations of action instances. However, it is expensive and…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Ashraful Islam , Richard J. Radke

In this paper, we newly introduce the concept of temporal attention filters, and describe how they can be used for human activity recognition from videos. Many high-level activities are often composed of multiple temporal parts (e.g.,…

计算机视觉与模式识别 · 计算机科学 2016-12-28 AJ Piergiovanni , Chenyou Fan , Michael S. Ryoo

Technical Element Score (TES) and Program Component Score (PCS) evaluations in figure skating demand precise assessment of athletic actions and artistic interpretation, respectively. Existing methods face three major challenges. Firstly,…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Fengshun Wang , Qiurui Wang , Peilin Zhao