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Temporal action detection aims to predict the time intervals and the classes of action instances in the video. Despite the promising performance, existing two-stream models exhibit slow inference speed due to their reliance on…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Pilhyeon Lee , Taeoh Kim , Minho Shim , Dongyoon Wee , Hyeran Byun

RGB-Thermal (RGB-T) semantic segmentation is essential for robotic systems operating in low-light or dark environments. However, traditional approaches often overemphasize modality balance, resulting in limited robustness and severe…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Kunyu Tan , Mingjian Liang

Temporal action proposal generation plays an important role in video action understanding, which requires localizing high-quality action content precisely. However, generating temporal proposals with both precise boundaries and high-quality…

Computer Vision and Pattern Recognition · Computer Science 2020-08-05 Yueran Bai , Yingying Wang , Yunhai Tong , Yang Yang , Qiyue Liu , Junhui Liu

This technical report presents our first place winning solution for temporal action detection task in CVPR-2022 AcitivityNet Challenge. The task aims to localize temporal boundaries of action instances with specific classes in long…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Xiang Wang , Huaxin Zhang , Shiwei Zhang , Changxin Gao , Yuanjie Shao , Nong Sang

Camouflaged object detection (COD), segmenting objects that are elegantly blended into their surroundings, is a valuable yet challenging task. Existing deep-learning methods often fall into the difficulty of accurately identifying the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Yujia Sun , Shuo Wang , Chenglizhao Chen , Tian-Zhu Xiang

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…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Limin Wang , Zhan Tong , Bin Ji , Gangshan Wu

Performing anomaly detection in hybrid systems is a challenging task since it requires analysis of timing behavior and mutual dependencies of both discrete and continuous signals. Typically, it requires modeling system behavior, which is…

Machine Learning · Computer Science 2020-10-30 Nemanja Hranisavljevic , Oliver Niggemann , Alexander Maier

Video anomaly detection is recently formulated as a multiple instance learning task under weak supervision, in which each video is treated as a bag of snippets to be determined whether contains anomalies. Previous efforts mainly focus on…

Computer Vision and Pattern Recognition · Computer Science 2022-08-12 Yujiang Pu , Xiaoyu Wu

The task of temporally grounding language queries in videos is to temporally localize the best matched video segment corresponding to a given language (sentence). It requires certain models to simultaneously perform visual and linguistic…

Computer Vision and Pattern Recognition · Computer Science 2019-12-19 Jingwen Wang , Lin Ma , Wenhao Jiang

Temporal Action Detection (TAD) aims to identify the action boundaries and the corresponding category within untrimmed videos. Inspired by the success of DETR in object detection, several methods have adapted the query-based framework to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Yuhan Zhu , Guozhen Zhang , Jing Tan , Gangshan Wu , Limin Wang

The integration of vision-language models such as CLIP and Concept Bottleneck Models (CBMs) offers a promising approach to explaining deep neural network (DNN) decisions using concepts understandable by humans, addressing the black-box…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Townim F. Chowdhury , Vu Minh Hieu Phan , Kewen Liao , Minh-Son To , Yutong Xie , Anton van den Hengel , Johan W. Verjans , Zhibin Liao

Recent one-stage object detectors follow a per-pixel prediction approach that predicts both the object category scores and boundary positions from every single grid location. However, the most suitable positions for inferring different…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Li Yang , Yan Xu , Shaoru Wang , Chunfeng Yuan , Ziqi Zhang , Bing Li , Weiming Hu

Previous one-stage action detection approaches have modelled temporal dependencies using only the visual modality. In this paper, we explore different strategies to incorporate the audio modality, using multi-scale cross-attention to fuse…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Hanyuan Wang , Majid Mirmehdi , Dima Damen , Toby Perrett

In this paper, we present a one-stage framework TriDet for temporal action detection. Existing methods often suffer from imprecise boundary predictions due to the ambiguous action boundaries in videos. To alleviate this problem, we propose…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Dingfeng Shi , Yujie Zhong , Qiong Cao , Lin Ma , Jia Li , Dacheng Tao

Temporal action proposal generation aims to estimate temporal intervals of actions in untrimmed videos, which is a challenging yet important task in the video understanding field. The proposals generated by current methods still suffer from…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Zhiwu Qing , Haisheng Su , Weihao Gan , Dongliang Wang , Wei Wu , Xiang Wang , Yu Qiao , Junjie Yan , Changxin Gao , Nong Sang

In recent years, most of the accuracy gains for video action recognition have come from the newly designed CNN architectures (e.g., 3D-CNNs). These models are trained by applying a deep CNN on single clip of fixed temporal length. Since…

Computer Vision and Pattern Recognition · Computer Science 2021-02-03 Jenhao Hsiao , Jiawei Chen , Chiuman Ho

Following the great success of Machine Learning (ML), especially Deep Neural Networks (DNNs), in many research domains in 2010s, several ML-based approaches were proposed for detection in large inverse linear problems, e.g., massive MIMO…

Signal Processing · Electrical Eng. & Systems 2021-10-22 Edgar Beck , Carsten Bockelmann , Armin Dekorsy

In this paper, we consider the community detection problem under either the stochastic block model (SBM) assumption or the degree-correlated stochastic block model (DCSBM) assumption. The modularity maximization formulation for the…

Optimization and Control · Mathematics 2017-08-04 Junyu Zhang , Haoyang Liu , Zaiwen Wen , Shuzhong Zhang

Design rule checking (DRC) is of great significance for cost reduction and design efficiency improvement in integrated circuit (IC) designs. Machine-learning-based DRC has become an important approach in computer-aided design (CAD). In this…

Hardware Architecture · Computer Science 2025-06-10 Weihan Lu , Hong Cai Chen

Dominant approaches to action detection can only provide sub-optimal solutions to the problem, as they rely on seeking frame-level detections, to later compose them into "action tubes" in a post-processing step. With this paper we radically…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Suman Saha , Gurkirt Singh , Fabio Cuzzolin