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Human pose estimation methods work well on isolated people but struggle with multiple-bodies-in-proximity scenarios. Previous work has addressed this problem by conditioning pose estimation by detected bounding boxes or keypoints, but…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Miroslav Purkrabek , Jiri Matas

Visual identification of gunmen in a crowd is a challenging problem, that requires resolving the association of a person with an object (firearm). We present a novel approach to address this problem, by defining human-object interaction…

Computer Vision and Pattern Recognition · Computer Science 2020-05-21 Abdul Basit , Muhammad Akhtar Munir , Mohsen Ali , Arif Mahmood

We propose a segmentation-based bounding box generation method for omnidirectional pedestrian detection that enables detectors to tightly fit bounding boxes to pedestrians without omnidirectional images for training. Due to the wide angle…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Masato Tamura , Tomoaki Yoshinaga

The ability to capture detailed interactions among individuals in a social group is foundational to our study of animal behavior and neuroscience. Recent advances in deep learning and computer vision are driving rapid progress in methods…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Shiting Xiao , Yufu Wang , Ammon Perkes , Bernd Pfrommer , Marc Schmidt , Kostas Daniilidis , Marc Badger

In this paper, we focus on fine-grained recognition of vehicles mainly in traffic surveillance applications. We propose an approach that is orthogonal to recent advancements in fine-grained recognition (automatic part discovery and bilinear…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Jakub Sochor , Jakub Špaňhel , Adam Herout

This thesis presents an innovative framework for the automated detection and characterization of galactic bars, pivotal structures in spiral galaxies, using the YOLO-OBB (You Only Look Once with Oriented Bounding Boxes) model. Traditional…

Astrophysics of Galaxies · Physics 2025-12-01 Rajit Shrivastava

An image-based control strategy along with estimation of target motion is developed to track dynamic targets without motion constraints. To the best of our knowledge, this is the first work that utilizes a bounding box as image features for…

Systems and Control · Electrical Eng. & Systems 2024-09-23 Jun-Ming Li , Ching Wen Chen , Teng-Hu Cheng

A novel object detection method is presented that handles freely rotated objects of arbitrary sizes, including tiny objects as small as $2\times 2$ pixels. Such tiny objects appear frequently in remotely sensed images, and present a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Mohsen Zand , Ali Etemad , Michael Greenspan

Automatic detection of weapons is significant for improving security and well being of individuals, nonetheless, it is a difficult task due to large variety of size, shape and appearance of weapons. View point variations and occlusion also…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Nazeef Ul Haq , Muhammad Moazam Fraz , Tufail Sajjad Shah Hashmi , Muhammad Shahzad

The task object tracking is vital in numerous applications such as autonomous driving, intelligent surveillance, robotics, etc. This task entails the assigning of a bounding box to an object in a video stream, given only the bounding box…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Vladislav Belyaev , Aleksandra Malysheva , Aleksei Shpilman

In this paper, we demonstrate a novel algorithm that uses ellipse fitting to estimate the bounding box rotation angle and size with the segmentation(mask) on the target for online and real-time visual object tracking. Our method,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Bao Xin Chen , John K. Tsotsos

Current face detectors utilize anchors to frame a multi-task learning problem which combines classification and bounding box regression. Effective anchor design and anchor matching strategy enable face detectors to localize faces under…

Computer Vision and Pattern Recognition · Computer Science 2019-12-31 Yang Liu , Xu Tang , Xiang Wu , Junyu Han , Jingtuo Liu , Errui Ding

Considerable efforts have been devoted to Oriented Object Detection (OOD). However, one lasting issue regarding the discontinuity in Oriented Bounding Box (OBB) representation remains unresolved, which is an inherent bottleneck for extant…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Zi-Kai Xiao , Guo-Ye Yang , Xue Yang , Tai-Jiang Mu , Junchi Yan , Shi-min Hu

Current object detection frameworks mainly rely on bounding box regression to localize objects. Despite the remarkable progress in recent years, the precision of bounding box regression remains unsatisfactory, hence limiting performance in…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Jiaqi Wang , Wenwei Zhang , Yuhang Cao , Kai Chen , Jiangmiao Pang , Tao Gong , Jianping Shi , Chen Change Loy , Dahua Lin

Single point-supervised object detection is gaining attention due to its cost-effectiveness. However, existing approaches focus on generating horizontal bounding boxes (HBBs) while ignoring oriented bounding boxes (OBBs) commonly used for…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Junwei Luo , Xue Yang , Yi Yu , Qingyun Li , Junchi Yan , Yansheng Li

Model initialisation is an important component of object tracking. Tracking algorithms are generally provided with the first frame of a sequence and a bounding box (BB) indicating the location of the object. This BB may contain a large…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 George De Ath , Richard Everson

Compared to typical multi-sensor systems, monocular 3D object detection has attracted much attention due to its simple configuration. However, there is still a significant gap between LiDAR-based and monocular-based methods. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Chenxi Huang , Tong He , Haidong Ren , Wenxiao Wang , Binbin Lin , Deng Cai

Detection of arbitrarily rotated objects is a challenging task due to the difficulties of locating the multi-angle objects and separating them effectively from the background. The existing methods are not robust to angle varies of the…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Lei Liu , Zongxu Pan , Bin Lei

The estimation of the orientation of an observed vehicle relative to an Autonomous Vehicle (AV) from monocular camera data is an important building block in estimating its 6 DoF pose. Current Deep Learning based solutions for placing a 3D…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Cédric Picron , Punarjay Chakravarty , Tom Roussel , Tinne Tuytelaars

State-of-the-art instance-aware semantic segmentation algorithms use axis-aligned bounding boxes as an intermediate processing step to infer the final instance mask output. This often leads to coarse and inaccurate mask proposals due to the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-16 Patrick Follmann , Rebecca König