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This paper presents a new method for anomaly detection in automated systems with time and compute sensitive requirements, such as autonomous driving, with unparalleled efficiency. As systems like autonomous driving become increasingly…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Andrew Gao , Jun Liu

Temporal action localization is an important and challenging task that aims to locate temporal regions in real-world untrimmed videos where actions occur and recognize their classes. It is widely acknowledged that video context is a…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Xin Qin , Hanbin Zhao , Guangchen Lin , Hao Zeng , Songcen Xu , Xi Li

Audio-visual emotion recognition (AVER) methods typically fuse utterance-level features, and even frame-level attention models seldom address the frame-rate mismatch across modalities. In this paper, we propose a Transformer-based framework…

多媒体 · 计算机科学 2026-03-13 Inyong Koo , yeeun Seong , Minseok Son , Jaehyuk Jang , Changick Kim

Anomaly detection in videos has been attracting an increasing amount of attention. Despite the competitive performance of recent methods on benchmark datasets, they typically lack desirable features such as modularity, cross-domain…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Keval Doshi , Yasin Yilmaz

Temporal modeling still remains challenging for action recognition in videos. To mitigate this issue, this paper presents a new video architecture, termed as Temporal Difference Network (TDN), with a focus on capturing multi-scale temporal…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Limin Wang , Zhan Tong , Bin Ji , Gangshan Wu

3D object detection is a core component of automated driving systems. State-of-the-art methods fuse RGB imagery and LiDAR point cloud data frame-by-frame for 3D bounding box regression. However, frame-by-frame 3D object detection suffers…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Emeç Erçelik , Ekim Yurtsever , Alois Knoll

Pose-based Video Anomaly Detection (VAD) has gained significant attention for its privacy-preserving nature and robustness to environmental variations. However, traditional frame-level evaluations treat video as a collection of isolated…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Narges Rashvand , Shanle Yao , Armin Danesh Pazho , Babak Rahimi Ardabili , Hamed Tabkhi

Efficient long-short temporal modeling is key for enhancing the performance of action recognition task. In this paper, we propose a new two-stream action recognition network, termed as MENet, consisting of a Motion Enhancement (ME) module…

计算机视觉与模式识别 · 计算机科学 2021-07-01 Liyu Wu , Yuexian Zou , Can Zhang

Cardiac anatomy segmentation is useful for clinical assessment of cardiac morphology to inform diagnosis and intervention. Deep learning (DL), especially with motion information, has improved segmentation accuracy. However, existing…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Md. Kamrul Hasan , Guang Yang , Choon Hwai Yap

The task of weakly supervised temporal action localization targets at generating temporal boundaries for actions of interest, meanwhile the action category should also be classified. Pseudo-label-based methods, which serve as an effective…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Jingqiu Zhou , Linjiang Huang , Liang Wang , Si Liu , Hongsheng Li

Weakly-supervised temporal action localization aims to localize actions in untrimmed videos with only video-level action category labels. Most of previous methods ignore the incompleteness issue of Class Activation Sequences (CAS),…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Chen Ju , Peisen Zhao , Siheng Chen , Ya Zhang , Xiaoyun Zhang , Qi Tian

Most work on temporal action detection is formulated as an offline problem, in which the start and end times of actions are determined after the entire video is fully observed. However, important real-time applications including…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Mingze Xu , Mingfei Gao , Yi-Ting Chen , Larry S. Davis , David J. Crandall

Multi-task learning (MTL) can advance assistive driving by exploring inter-task correlations through shared representations. However, existing methods face two critical limitations: single-modality constraints limiting comprehensive scene…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Wenzhuo Liu , Yicheng Qiao , Zhen Wang , Qiannan Guo , Zilong Chen , Meihua Zhou , Xinran Li , Letian Wang , Zhiwei Li , Huaping Liu , Wenshuo Wang

Video action detection (spatio-temporal action localization) is usually the starting point for human-centric intelligent analysis of videos nowadays. It has high practical impacts for many applications across robotics, security, healthcare,…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Xin Hu , Zhenyu Wu , Hao-Yu Miao , Siqi Fan , Taiyu Long , Zhenyu Hu , Pengcheng Pi , Yi Wu , Zhou Ren , Zhangyang Wang , Gang Hua

Current state-of-the-art approaches for spatio-temporal action detection have achieved impressive results but remain unsatisfactory for temporal extent detection. The main reason comes from that, there are some ambiguous states similar to…

计算机视觉与模式识别 · 计算机科学 2019-06-03 Lin Song , Shiwei Zhang , Gang Yu , Hongbin Sun

Most text-video retrieval methods utilize the text-image pre-trained models like CLIP as a backbone. These methods process each sampled frame independently by the image encoder, resulting in high computational overhead and limiting…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Leqi Shen , Tianxiang Hao , Tao He , Sicheng Zhao , Yifeng Zhang , Pengzhang Liu , Yongjun Bao , Guiguang Ding

The success of deep learning on video Action Recognition (AR) has motivated researchers to progressively promote related tasks from the coarse level to the fine-grained level. Compared with conventional AR which only predicts an action…

计算机视觉与模式识别 · 计算机科学 2022-09-08 Fan Yang , Norimichi Ukita , Sakriani Sakti , Satoshi Nakamura

Reward models are central to both reinforcement learning (RL) with language models and inference-time verification. However, existing reward models often lack temporal consistency, leading to ineffective policy updates and unstable RL…

机器学习 · 计算机科学 2025-09-30 Dan Zhang , Min Cai , Jonathan Light , Ziniu Hu , Yisong Yue , Jie Tang

Bearing fault detection is a critical task in predictive maintenance, where accurate and timely fault identification can prevent costly downtime and equipment damage. Traditional attention mechanisms in Transformer neural networks often…

机器学习 · 计算机科学 2024-12-17 Marzieh Mirzaeibonehkhater , Mohammad Ali Labbaf-Khaniki , Mohammad Manthouri

Online Temporal Action Localization (On-TAL) aims to detect the occurrence time and category of actions in untrimmed streaming videos immediately upon their completion. Recent advancements in this field focus on developing more…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Chaolei Han , Hongsong Wang , Xin Gong , Jie Gui
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