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Multiple object tracking (MOT) is a crucial task in computer vision society. However, most tracking-by-detection MOT methods, with available detected bounding boxes, cannot effectively handle static, slow-moving and fast-moving camera…

Computer Vision and Pattern Recognition · Computer Science 2020-06-25 Jiarui Cai , Yizhou Wang , Haotian Zhang , Hung-Min Hsu , Chengqian Ma , Jenq-Neng Hwang

The development of aerial autonomy has enabled aerial robots to fly agilely in complex environments. However, dodging fast-moving objects in flight remains a challenge, limiting the further application of unmanned aerial vehicles (UAVs).…

Robotics · Computer Science 2021-03-12 Botao He , Haojia Li , Siyuan Wu , Dong Wang , Zhiwei Zhang , Qianli Dong , Chao Xu , Fei Gao

Estimating 3D poses from a monocular video is still a challenging task, despite the significant progress that has been made in recent years. Generally, the performance of existing methods drops when the target person is too small/large, or…

Computer Vision and Pattern Recognition · Computer Science 2020-04-27 Yu Cheng , Bo Yang , Bo Wang , Robby T. Tan

We present a modified velocity-obstacle (VO) algorithm that uses probabilistic partial observations of the environment to compute velocities and navigate a robot to a target. Our system uses commodity visual sensors, including a mono-camera…

Robotics · Computer Science 2021-06-10 Jing Liang , Yi-Ling Qiao , Tianrui Guan , Dinesh Manocha

This paper looks into the problem of pedestrian tracking using a monocular, potentially moving, uncalibrated camera. The pedestrians are located in each frame using a standard human detector, which are then tracked in subsequent frames.…

Computer Vision and Pattern Recognition · Computer Science 2015-01-27 Sourav Garg , Swagat Kumar , Rajesh Ratnakaram , Prithwijit Guha

Tracking pixels in videos is typically studied as an optical flow estimation problem, where every pixel is described with a displacement vector that locates it in the next frame. Even though wider temporal context is freely available, prior…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Adam W. Harley , Zhaoyuan Fang , Katerina Fragkiadaki

We introduce a novel method for robust and accurate 3D object pose estimation from a single color image under large occlusions. Following recent approaches, we first predict the 2D projections of 3D points related to the target object and…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Markus Oberweger , Mahdi Rad , Vincent Lepetit

Object tracking is an important functionality of edge video analytic systems and services. Multi-object tracking (MOT) detects the moving objects and tracks their locations frame by frame as real scenes are being captured into a video.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Sanjana Vijay Ganesh , Yanzhao Wu , Gaowen Liu , Ramana Kompella , Ling Liu

The occlusion problem remains a crucial challenge in optical flow estimation (OFE). Despite the recent significant progress brought about by deep learning, most existing deep learning OFE methods still struggle to handle occlusions; in…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Bo Wang , Yifan Zhang , Jian Li , Yang Yu , Zhenping Sun , Li Liu , Dewen Hu

Persistent multi-object tracking (MOT) allows autonomous vehicles to navigate safely in highly dynamic environments. One of the well-known challenges in MOT is object occlusion when an object becomes unobservant for subsequent frames. The…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Mohamed Nagy , Majid Khonji , Jorge Dias , Sajid Javed

In this paper we propose a robust visual odometry system for a wide-baseline camera rig with wide field-of-view (FOV) fisheye lenses, which provides full omnidirectional stereo observations of the environment. For more robust and accurate…

Computer Vision and Pattern Recognition · Computer Science 2019-03-04 Hochang Seok , Jongwoo Lim

In this paper, we address the problem of forecasting the trajectory of an egocentric camera wearer (ego-person) in crowded spaces. The trajectory forecasting ability learned from the data of different camera wearers walking around in the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-08 Jianing Qiu , Lipeng Chen , Xiao Gu , Frank P. -W. Lo , Ya-Yen Tsai , Jiankai Sun , Jiaqi Liu , Benny Lo

We present a learning approach for localization and segmentation of objects in an image in a manner that is robust to partial occlusion. Our algorithm produces a bounding box around the full extent of the object and labels pixels in the…

Computer Vision and Pattern Recognition · Computer Science 2015-07-29 Samarth Brahmbhatt , Heni Ben Amor , Henrik Christensen

Hand-object pose estimation from monocular RGB images remains a significant challenge mainly due to the severe occlusions inherent in hand-object interactions. Existing methods do not sufficiently explore global structural perception and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Hui Yang , Wei Sun , Jian Liu , Jin Zheng , Jian Xiao , Ajmal Mian

Occlusions caused by a robot's own body is a common problem for closed-loop control methods employed in eye-to-hand camera setups. We propose an optimization-based reactive controller that minimizes self-occlusions while achieving a desired…

Rolling Shutter (RS) cameras have become popularized because of low-cost imaging capability. However, the RS cameras suffer from undesirable artifacts when the camera or the subject is moving, or illumination condition changes. For that…

Computer Vision and Pattern Recognition · Computer Science 2017-04-25 Chang-Ryeol Lee , Kuk-Jin Yoon

Reasoning with occluded traffic agents is a significant open challenge for planning for autonomous vehicles. Recent deep learning models have shown impressive results for predicting occluded agents based on the behaviour of nearby visible…

Machine Learning · Computer Science 2022-10-27 Filippos Christianos , Peter Karkus , Boris Ivanovic , Stefano V. Albrecht , Marco Pavone

The extraction of a clean background image by removing foreground occlusion holds immense practical significance, but it also presents several challenges. Presently, the majority of de-occlusion research focuses on addressing this issue…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Jiyuan Zhang , Shiyan Chen , Yajing Zheng , Zhaofei Yu , Tiejun Huang

Estimating rigid objects' poses is one of the fundamental problems in computer vision, with a range of applications across automation and augmented reality. Most existing approaches adopt one network per object class strategy, depend…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Jianyu Zhao , Wei Quan , Bogdan J. Matuszewski

6D object pose estimation is crucial for robotic perception and precise manipulation. Occlusion and incomplete object visibility are common challenges in this task, but existing pose refinement methods often struggle to handle these issues…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Xin Liu , Shibei Xue , Dezong Zhao , Shan Ma , Min Jiang