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Open-Vocabulary Temporal Action Detection (OV-TAD) aims to classify and localize action segments in untrimmed videos for unseen categories. Previous methods rely solely on global alignment between label-level semantics and visual features,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Sa Zhu , Wanqian Zhang , Lin Wang , Xiaohua Chen , Chenxu Cui , Jinchao Zhang , Bo Li

Motion prediction is a classic problem in computer vision, which aims at forecasting future motion given the observed pose sequence. Various deep learning models have been proposed, achieving state-of-the-art performance on motion…

Computer Vision and Pattern Recognition · Computer Science 2022-01-10 Pengxiang Su , Zhenguang Liu , Shuang Wu , Lei Zhu , Yifang Yin , Xuanjing Shen

Semantic communication, augmented by knowledge bases (KBs), offers substantial reductions in transmission overhead and resilience to errors. However, existing methods predominantly rely on end-to-end training to construct KBs, often failing…

Image and Video Processing · Electrical Eng. & Systems 2024-10-25 Peiwen Jiang , Chao-Kai Wen , Shi Jin , Jun Zhang

Optimal sensor placement (OSP) is critical for efficient, accurate monitoring, control, and inference in complex physical systems. We propose a machine-learning-based feature attribution (FA) framework to identify OSP for target…

Computational Engineering, Finance, and Science · Computer Science 2026-04-07 Sze Chai Leung , Di Zhou , H. Jane Bae

In this work we present a novel approach to joint semantic localisation and scene understanding. Our work is motivated by the need for localisation algorithms which not only predict 6-DoF camera pose but also simultaneously recognise…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Ignas Budvytis , Marvin Teichmann , Tomas Vojir , Roberto Cipolla

Reliable detection of surrounding objects is critical for the safe operation of connected automated vehicles (CAVs). However, inherent limitations such as the restricted perception range and occlusion effects compromise the reliability of…

Signal Processing · Electrical Eng. & Systems 2025-07-02 Jipeng Gan , Yucheng Sheng , Hua Zhang , Le Liang , Hao Ye , Chongtao Guo , Shi Jin

Skeleton-based human action recognition has recently drawn increasing attentions with the availability of large-scale skeleton datasets. The most crucial factors for this task lie in two aspects: the intra-frame representation for joint…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Chao Li , Qiaoyong Zhong , Di Xie , Shiliang Pu

Collaborative perception in automated vehicles leverages the exchange of information between agents, aiming to elevate perception results. Previous camera-based collaborative 3D perception methods typically employ 3D bounding boxes or…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Rui Song , Chenwei Liang , Hu Cao , Zhiran Yan , Walter Zimmer , Markus Gross , Andreas Festag , Alois Knoll

Robots equipped with situational awareness can help humans efficiently find their lost objects by leveraging spatial and temporal structure. Existing approaches to video and image retrieval do not take into account the unique constraints…

Robotics · Computer Science 2021-10-26 Ifrah Idrees , Zahid Hasan , Steven P. Reiss , Stefanie Tellex

Image-based volumetric humans using pixel-aligned features promise generalization to unseen poses and identities. Prior work leverages global spatial encodings and multi-view geometric consistency to reduce spatial ambiguity. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Marko Mihajlovic , Aayush Bansal , Michael Zollhoefer , Siyu Tang , Shunsuke Saito

Effectively describing features for cross-modal remote sensing image matching remains a challenging task due to the significant geometric and radiometric differences between multimodal images. Existing methods primarily extract features at…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Abu Sadat Mohammad Salehin Amit , Xiaoli Zhang , Md Masum Billa Shagar , Zhaojun Liu , Xiongfei Li , Fanlong Meng

In autonomous driving, 3D object detection is essential for accurate perception and reliable decision-making. However, object motion and ego-motion often induce cross-frame spatiotemporal inconsistencies in BEV-based detectors, leading to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Wenxuan Li , Qin Zou , Shoubing Chen , Chi Chen , Yingyi Yang , Shoubing Chen , Qingxiang Meng

Current methods of multi-person pose estimation typically treat the localization and the association of body joints separately. It is convenient but inefficient, leading to additional computation and a waste of time. This paper, however,…

Computer Vision and Pattern Recognition · Computer Science 2021-07-28 Chenyu Tian , Ran Yu , Xinyuan Zhao , Weihao Xia , Haoqian Wang , Yujiu Yang

We present a fast bottom-up method that jointly detects over 100 keypoints on humans or objects, also referred to as human/object pose estimation. We model all keypoints belonging to a human or an object -- the pose -- as a graph and…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Duncan Zauss , Sven Kreiss , Alexandre Alahi

We present a method for human pose tracking that is based on learning spatiotemporal relationships among joints. Beyond generating the heatmap of a joint in a given frame, our system also learns to predict the offset of the joint from a…

Computer Vision and Pattern Recognition · Computer Science 2019-03-28 Xiao Sun , Chuankang Li , Stephen Lin

When a vehicle observes another one, the two vehicles' poses are correlated by this spatial relative observation, which can be used in cooperative localization for further increasing localization accuracy and precision. To use spatial…

Robotics · Computer Science 2017-04-06 Xiaotong Shen , Hans Andersen , Wei Kang Leong , Hai Xun Kong , Marcelo H. Ang , Daniela Rus

Applications in the field of augmented reality or robotics often require joint localisation and 6D pose estimation of multiple objects. However, most algorithms need one network per object class to be trained in order to provide the best…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Niklas Gard , Anna Hilsmann , Peter Eisert

We present a novel approach for action recognition in UAV videos. Our formulation is designed to handle occlusion and viewpoint changes caused by the movement of a UAV. We use the concept of mutual information to compute and align the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Ruiqi Xian , Xijun Wang , Dinesh Manocha

Visual localization is a fundamental task for various applications including autonomous driving and robotics. Prior methods focus on extracting large amounts of often redundant locally reliable features, resulting in limited efficiency and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Fei Xue , Ignas Budvytis , Roberto Cipolla

Naturalistic driving action recognition is essential for vehicle cabin monitoring systems. However, the complexity of real-world backgrounds presents significant challenges for this task, and previous approaches have struggled with…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Qing Chang , Wei Dai , Zhihao Shuai , Limin Yu , Yutao Yue