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In this paper, we propose a fully convolutional network for 3D human pose estimation from monocular images. We use limb orientations as a new way to represent 3D poses and bind the orientation together with the bounding box of each limb…

Computer Vision and Pattern Recognition · Computer Science 2018-12-06 Chenxu Luo , Xiao Chu , Alan Yuille

Camera localization in 3D LiDAR maps has gained increasing attention due to its promising ability to handle complex scenarios, surpassing the limitations of visual-only localization methods. However, existing methods mostly focus on…

Robotics · Computer Science 2024-10-28 Huai Yu , Kuangyi Chen , Wen Yang , Sebastian Scherer , Gui-Song Xia

Camera pose estimation from sparse correspondences is a fundamental problem in geometric computer vision and remains particularly challenging in near-field scenarios, where strong perspective effects and heterogeneous measurement noise can…

Robotics · Computer Science 2026-02-10 Ning Hu , Shuai Li , Jindong Tan

This paper proposes a new image-based localization framework that explicitly localizes the camera/robot by fusing Convolutional Neural Network (CNN) and sequential images' geometric constraints. The camera is localized using a single or few…

Computer Vision and Pattern Recognition · Computer Science 2022-01-06 Jingwei Song , Mitesh Patel , Maani Ghaffari

We present an approach to recover absolute 3D human poses from multi-view images by incorporating multi-view geometric priors in our model. It consists of two separate steps: (1) estimating the 2D poses in multi-view images and (2)…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Haibo Qiu , Chunyu Wang , Jingdong Wang , Naiyan Wang , Wenjun Zeng

Many object pose estimation algorithms rely on the analysis-by-synthesis framework which requires explicit representations of individual object instances. In this paper we combine a gradient-based fitting procedure with a parametric neural…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Xu Chen , Zijian Dong , Jie Song , Andreas Geiger , Otmar Hilliges

In this paper, we propose LF-PGVIO, a Visual-Inertial-Odometry (VIO) framework for large Field-of-View (FoV) cameras with a negative plane using points and geodesic segments. The purpose of our research is to unleash the potential of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Ze Wang , Kailun Yang , Hao Shi , Yufan Zhang , Zhijie Xu , Fei Gao , Kaiwei Wang

Human pose estimation has given rise to a broad spectrum of novel and compelling applications, including action recognition, sports analysis, as well as surveillance. However, accurate video pose estimation remains an open challenge. One…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Yingying Jiao , Zhigang Wang , Zhenguang Liu , Shaojing Fan , Sifan Wu , Zheqi Wu , Zhuoyue Xu

We introduce FocalPose++, a neural render-and-compare method for jointly estimating the camera-object 6D pose and camera focal length given a single RGB input image depicting a known object. The contributions of this work are threefold.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Martin Cífka , Georgy Ponimatkin , Yann Labbé , Bryan Russell , Mathieu Aubry , Vladimir Petrik , Josef Sivic

We consider the problem of unsupervised camera pose estimation. Given an input video sequence, our goal is to estimate the camera pose (i.e. the camera motion) between consecutive frames. Traditionally, this problem is tackled by placing…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Seyed Shahabeddin Nabavi , Mehrdad Hosseinzadeh , Ramin Fahimi , Yang Wang

Event-based cameras are new type vision sensors whose pixels work independently and respond asynchronously to brightness change with microsecond resolution, instead of providing standard intensity frames. Compared with traditional cameras,…

Robotics · Computer Science 2023-07-26 Kunfeng Wang , Kaichun Zhao , Zheng You

Estimating camera pose from a single image is a fundamental problem in computer vision. Existing methods for solving this task fall into two distinct categories, which we refer to as direct and indirect. Direct methods, such as PoseNet,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Hunter Blanton , Scott Workman , Nathan Jacobs

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

This paper addresses the problem of 3D human pose estimation from a single image. We follow a standard two-step pipeline by first detecting the 2D position of the $N$ body joints, and then using these observations to infer 3D pose. For the…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Francesc Moreno-Noguer

Image feature matching plays a vital role in many computer vision tasks. Although many image feature detection and matching techniques have been proposed over the past few decades, it is still time-consuming to match feature points in two…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Chin-Hung Teng , Ben-Jian Dong

Image-based localization (IBL) aims to estimate the 6DOF camera pose for a given query image. The camera pose can be computed from 2D-3D matches between a query image and Structure-from-Motion (SfM) models. Despite recent advances in IBL,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Wentao Cheng , Weisi Lin , Kan Chen , Xinfeng Zhang

We present a novel method for estimation of 3D human poses from a multi-camera setup, employing distributed smart edge sensors coupled with a backend through a semantic feedback loop. 2D joint detection for each camera view is performed…

Computer Vision and Pattern Recognition · Computer Science 2021-07-06 Simon Bultmann , Sven Behnke

Monocular 3D object detection has recently shown promising results, however there remain challenging problems. One of those is the lack of invariance to different camera intrinsic parameters, which can be observed across different 3D object…

Computer Vision and Pattern Recognition · Computer Science 2021-10-04 Jonas Heylen , Mark De Wolf , Bruno Dawagne , Marc Proesmans , Luc Van Gool , Wim Abbeloos , Hazem Abdelkawy , Daniel Olmeda Reino

Visual Servoing (VS), where images taken from a camera typically attached to the robot end-effector are used to guide the robot motions, is an important technique to tackle robotic tasks that require a high level of accuracy. We propose a…

Robotics · Computer Science 2019-03-13 Cunjun Yu , Zhongang Cai , Hung Pham , Quang-Cuong Pham

Visual Odometry (VO) estimation is an important source of information for vehicle state estimation and autonomous driving. Recently, deep learning based approaches have begun to appear in the literature. However, in the context of driving,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Nimet Kaygusuz , Oscar Mendez , Richard Bowden
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