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Occlusion presents a significant challenge in human pose estimation. The challenges posed by occlusion can be attributed to the following factors: 1) Data: The collection and annotation of occluded human pose samples are relatively…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Linhao Xu , Lin Zhao , Xinxin Sun , Di Wang , Guangyu Li , Kedong Yan

Visual Odometry (VO) plays a pivotal role in autonomous systems, with a principal challenge being the lack of depth information in camera images. This paper introduces OCC-VO, a novel framework that capitalizes on recent advances in deep…

Robotics · Computer Science 2024-03-27 Heng Li , Yifan Duan , Xinran Zhang , Haiyi Liu , Jianmin Ji , Yanyong Zhang

Despite recent advances, estimating optical flow remains a challenging problem in the presence of illumination change, large occlusions or fast movement. In this paper, we propose a novel optical flow estimation framework which can provide…

Computer Vision and Pattern Recognition · Computer Science 2018-04-12 Inchul Choi , Arunava Banerjee

3D semantic occupancy prediction is crucial for finely representing the surrounding environment, which is essential for ensuring the safety in autonomous driving. Existing fusion-based occupancy methods typically involve performing a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Ji Zhang , Yiran Ding , Zixin Liu

Occlusion is one of the most significant challenges encountered by object detectors and trackers. While both object detection and tracking has received a lot of attention in the past, most existing methods in this domain do not target…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Satyaki Chakraborty , Martial Hebert

Learning and predicting the pose parameters of a 3D hand model given an image, such as locations of hand joints, is challenging due to large viewpoint changes and articulations, and severe self-occlusions exhibited particularly in…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 Qi Ye , Tae-Kyun Kim

In this paper, we propose an optimization based SLAM approach to simultaneously optimize the robot trajectory and the occupancy map using 2D laser scans (and odometry) information. The key novelty is that the robot poses and the occupancy…

Robotics · Computer Science 2024-05-20 Liang Zhao , Yingyu Wang , Shoudong Huang

We introduce a novel approach for the precise localization of 67 anatomical structures from single depth images captured from the exterior of the human body. Our method uses a multi-class occupancy network, trained using segmented CT scans…

Computer Vision and Pattern Recognition · Computer Science 2025-04-23 Pit Henrich , Franziska Mathis-Ullrich

The presence of occlusions has provided substantial challenges to typically-powerful object recognition algorithms. Additional sources of information can be extremely valuable to reduce errors caused by occlusions. Scene context is known to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Courtney M. King , Daniel D. Leeds , Damian Lyons , George Kalaitzis

Existing 2D-to-3D pose lifting networks suffer from poor performance in cross-dataset benchmarks. Although the use of 2D keypoints joined by "stick-figure" limbs has shown promise as an intermediate step, stick-figures do not account for…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Saad Manzur , Wayne Hayes

Traditional geometric registration based estimation methods only exploit the CAD model implicitly, which leads to their dependence on observation quality and deficiency to occlusion. To address the problem,the paper proposes a bidirectional…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Yuhao Yang , Jun Wu , Yue Wang , Guangjian Zhang , Rong Xiong

Occlusion between objects is one of the overlooked challenges for object detection in UAV images. Due to the variable altitude and angle of UAVs, occlusion in UAV images happens more frequently than that in natural scenes. Compared to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Xuexue Li , Wenhui Diao , Yongqiang Mao , Peng Gao , Xiuhua Mao , Xinming Li , Xian Sun

We present a new algorithm for multi-region segmentation of 2D images with objects that may partially occlude each other. Our algorithm is based on the observation hat human performance on this task is based both on prior knowledge about…

Computer Vision and Pattern Recognition · Computer Science 2016-06-16 Yuka Kihara , Matvey Soloviev , Tsuhan Chen

Human pose and shape (HPS) estimation methods have been extensively studied, with many demonstrating high zero-shot performance on in-the-wild images and videos. However, these methods often struggle in challenging scenarios involving…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Yash Garg , Saketh Bachu , Arindam Dutta , Rohit Lal , Sarosij Bose , Calvin-Khang Ta , M. Salman Asif , Amit Roy-Chowdhury

Estimating 3D human poses from a monocular video is still a challenging task. Many existing methods' performance drops when the target person is occluded by other objects, or the motion is too fast/slow relative to the scale and speed of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Cheng Yu , Bo Wang , Bo Yang , Robby T. Tan

Navigating dynamic and unstructured environments poses significant challenges for autonomous robots, particularly due to the uncertainty introduced by occluded areas. Conventional sensing methods often fail to detect obstacles hidden behind…

Robotics · Computer Science 2024-12-31 Sithija Ranaraja

Standard semantic instance segmentation provides useful, but inherently 2D information from a single image. To enable 3D analysis, one usually integrates absolute monocular depth estimation with instance segmentation. However, monocular…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Soroosh Baselizadeh , Cheuk-To Yu , Olga Veksler , Yuri Boykov

Vision-based localization in a prior map is of crucial importance for autonomous vehicles. Given a query image, the goal is to estimate the camera pose corresponding to the prior map, and the key is the registration problem of camera images…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Xingyu Chen , Jianru Xue , Shanmin Pang

Self-supervised monocular depth estimation, aiming to learn scene depths from single images in a self-supervised manner, has received much attention recently. In spite of recent efforts in this field, how to learn accurate scene depths and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Zhengming Zhou , Qiulei Dong

In the realm of autonomous vehicle perception, comprehending 3D scenes is paramount for tasks such as planning and mapping. Camera-based 3D Semantic Occupancy Prediction (OCC) aims to infer scene geometry and semantics from limited…

Computer Vision and Pattern Recognition · Computer Science 2025-02-03 Sanbao Su , Nuo Chen , Chenchen Lin , Felix Juefei-Xu , Chen Feng , Fei Miao