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Related papers: TALLFormer: Temporal Action Localization with a Lo…

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Temporal action localization in untrimmed videos is an important but difficult task. Difficulties are encountered in the application of existing methods when modeling temporal structures of videos. In the present study, we developed a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Yuan Zhou , Hongru Li , Sun-Yuan Kung

Multimodal foundation models (MFMs) have demonstrated significant success in tasks such as visual captioning, question answering, and image-text retrieval. However, these models face inherent limitations due to their finite internal…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Xingjian Diao , Chunhui Zhang , Weiyi Wu , Zhongyu Ouyang , Peijun Qing , Ming Cheng , Soroush Vosoughi , Jiang Gui

In this paper, we consider the problem of long-term point tracking, which requires consistent identification of points across multiple frames in a video, despite changes in appearance, lighting, perspective, and occlusions. We target online…

Computer Vision and Pattern Recognition · Computer Science 2025-01-31 Görkay Aydemir , Xiongyi Cai , Weidi Xie , Fatma Güney

Temporal action localization (TAL) aims to detect the boundary and identify the class of each action instance in a long untrimmed video. Current approaches treat video frames homogeneously, and tend to give background and key objects…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Yifan Liu , Youbao Tang , Ning Zhang , Ruei-Sung Lin , Haoqian Wang

Human Activity Recognition (HAR) has recently witnessed advancements with Transformer-based models. Especially, ActionFormer shows us a new perspectives for HAR in the sense that this approach gives us additional outputs which detect the…

Machine Learning · Computer Science 2025-05-28 Kunpeng Zhao , Asahi Miyazaki , Tsuyoshi Okita

Temporal graph classification plays a critical role in applications such as cybersecurity, brain connectivity analysis, social dynamics, and traffic monitoring. Despite its significance, this problem remains underexplored compared to…

Machine Learning · Computer Science 2025-11-26 Md. Joshem Uddin , Soham Changani , Baris Coskunuzer

Blind face restoration is a challenging task due to the unknown and complex degradation. Although face prior-based methods and reference-based methods have recently demonstrated high-quality results, the restored images tend to contain…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Guojing Ge , Qi Song , Guibo Zhu , Yuting Zhang , Jinglu Chen , Miao Xin , Ming Tang , Jinqiao Wang

In the field of multi-organ medical image segmentation, recent methods frequently employ Transformers to capture long-range dependencies from image features. However, these methods overlook the high computational cost of Transformers and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Dayu Tan , Cheng Kong , Yansen Su , Hai Chen , Dongliang Yang , Junfeng Xia , Chunhou Zheng

Despite great progress achieved by transformer in various vision tasks, it is still underexplored for skeleton-based action recognition with only a few attempts. Besides, these methods directly calculate the pair-wise global self-attention…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Zhimin Gao , Peitao Wang , Pei Lv , Xiaoheng Jiang , Qidong Liu , Pichao Wang , Mingliang Xu , Wanqing Li

Temporal convolutions have been the paradigm of choice in action segmentation, which enhances long-term receptive fields by increasing convolution layers. However, high layers cause the loss of local information necessary for frame…

Computer Vision and Pattern Recognition · Computer Science 2022-05-20 Jiahui Wang , Zhenyou Wang , Shanna Zhuang , Hui Wang

This paper proposes a novel memory-based online video representation that is efficient, accurate and predictive. This is in contrast to prior works that often rely on computationally heavy 3D convolutions, ignore actual motion when aligning…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Tuan-Hung Vu , Wongun Choi , Samuel Schulter , Manmohan Chandraker

Recent breakthroughs in Multimodal Large Language Models (MLLMs) have gained significant recognition within the deep learning community, where the fusion of the Video Foundation Models (VFMs) and Large Language Models(LLMs) has proven…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Quan Zhang , Jinwei Fang , Rui Yuan , Xi Tang , Yuxin Qi , Ke Zhang , Chun Yuan

Robust video scene classification models should capture the spatial (pixel-wise) and temporal (frame-wise) characteristics of a video effectively. Transformer models with self-attention which are designed to get contextualized…

Computer Vision and Pattern Recognition · Computer Science 2021-10-28 Saurabh Sahu , Palash Goyal

Video semantic segmentation requires to utilize the complex temporal relations between frames of the video sequence. Previous works usually exploit accurate optical flow to leverage the temporal relations, which suffer much from heavy…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Hao Wang , Weining Wang , Jing Liu

The Transformer architecture has become a cornerstone of modern artificial intelligence, but its core self-attention mechanism suffers from a complexity bottleneck that scales quadratically with sequence length, severely limiting its…

Machine Learning · Computer Science 2025-08-29 Zhongpan Tang

Temporal action detection (TAD) aims to detect all action boundaries and their corresponding categories in an untrimmed video. The unclear boundaries of actions in videos often result in imprecise predictions of action boundaries by…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Dingfeng Shi , Qiong Cao , Yujie Zhong , Shan An , Jian Cheng , Haogang Zhu , Dacheng Tao

Self-supervised approaches for video have shown impressive results in video understanding tasks. However, unlike early works that leverage temporal self-supervision, current state-of-the-art methods primarily rely on tasks from the image…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Ishan Rajendrakumar Dave , Simon Jenni , Mubarak Shah

Temporal action localization has long been researched in computer vision. Existing state-of-the-art action localization methods divide each video into multiple action units (i.e., proposals in two-stage methods and segments in one-stage…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Runhao Zeng , Wenbing Huang , Mingkui Tan , Yu Rong , Peilin Zhao , Junzhou Huang , Chuang Gan

As the scale of data and models for video understanding rapidly expand, handling long-form video input in transformer-based models presents a practical challenge. Rather than resorting to input sampling or token dropping, which may result…

Computer Vision and Pattern Recognition · Computer Science 2024-11-01 Seon-Ho Lee , Jue Wang , Zhikang Zhang , David Fan , Xinyu Li

We propose TubeR: a simple solution for spatio-temporal video action detection. Different from existing methods that depend on either an off-line actor detector or hand-designed actor-positional hypotheses like proposals or anchors, we…

Computer Vision and Pattern Recognition · Computer Science 2022-05-11 Jiaojiao Zhao , Yanyi Zhang , Xinyu Li , Hao Chen , Shuai Bing , Mingze Xu , Chunhui Liu , Kaustav Kundu , Yuanjun Xiong , Davide Modolo , Ivan Marsic , Cees G. M. Snoek , Joseph Tighe