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We introduce RoboPose, a method to estimate the joint angles and the 6D camera-to-robot pose of a known articulated robot from a single RGB image. This is an important problem to grant mobile and itinerant autonomous systems the ability to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Yann Labbé , Justin Carpentier , Mathieu Aubry , Josef Sivic

Re-localizing a camera from a single image in a previously mapped area is vital for many computer vision applications in robotics and augmented/virtual reality. In this work, we address the problem of estimating the 6 DoF camera pose…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Mohammad Altillawi , Zador Pataki , Shile Li , Ziyuan Liu

This paper presents new efficient solutions to the rolling shutter camera absolute pose problem. Unlike the state-of-the-art polynomial solvers, we approach the problem using simple and fast linear solvers in an iterative scheme. We present…

Computer Vision and Pattern Recognition · Computer Science 2019-01-01 Zuzana Kukelova , Cenek Albl , Akihiro Sugimoto , Tomas Pajdla

We propose 6DGS to estimate the camera pose of a target RGB image given a 3D Gaussian Splatting (3DGS) model representing the scene. 6DGS avoids the iterative process typical of analysis-by-synthesis methods (e.g. iNeRF) that also require…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Matteo Bortolon , Theodore Tsesmelis , Stuart James , Fabio Poiesi , Alessio Del Bue

CMOS sensors employ row-wise acquisition mechanism while imaging a scene, which can result in undesired motion artifacts known as rolling shutter (RS) distortions in the captured image. Existing single image RS rectification methods attempt…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Praveen K , Lokesh Kumar T , A. N. Rajagopalan

The vast majority of modern consumer-grade cameras employ a rolling shutter mechanism. In dynamic geometric computer vision applications such as visual SLAM, the so-called rolling shutter effect therefore needs to be properly taken into…

Computer Vision and Pattern Recognition · Computer Science 2016-05-03 Yuchao Dai , Hongdong Li , Laurent Kneip

We present a novel solution to the camera pose estimation problem, where rotation and translation of a camera between two views are estimated from matched feature points in the images. The camera pose estimation problem is traditionally…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Kaveh Fathian , J. Pablo Ramirez-Paredes , Emily A. Doucette , J. Willard Curtis , Nicholas R. Gans

Estimating relative camera poses from consecutive frames is a fundamental problem in visual odometry (VO) and simultaneous localization and mapping (SLAM), where classic methods consisting of hand-crafted features and sampling-based outlier…

Computer Vision and Pattern Recognition · Computer Science 2020-07-31 You-Yi Jau , Rui Zhu , Hao Su , Manmohan Chandraker

In this work we present a unified method of relative camera pose estimation from points and lines correspondences. Given a set of 2D points and lines correspondences in three views, of which two are known, a method has been developed for…

Robotics · Computer Science 2017-10-19 Ashraf Qadir , Jeremiah Neubert

This paper presents a new algorithm to estimate absolute camera pose given an axis of the camera's rotation matrix. Current algorithms solve the problem via algebraic solutions on limited input domains. This paper shows that the problem can…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Akshay Chandrasekhar

6 DoF poses estimation problem aims to estimate the rotation and translation parameters between two coordinates, such as object world coordinate and camera world coordinate. Although some advances are made with the help of deep learning,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Haowen Sun , Taiyong Wang

We present a novel method to compute the relative pose of multi-camera systems using two affine correspondences (ACs). Existing solutions to the multi-camera relative pose estimation are either restricted to special cases of motion, have…

Computer Vision and Pattern Recognition · Computer Science 2023-06-23 Banglei Guan , Ji Zhao

A single rolling-shutter (RS) image may be viewed as a row-wise combination of a sequence of global-shutter (GS) images captured by a (virtual) moving GS camera within the exposure duration. Although RS cameras are widely used, the RS…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Bin Fan , Yuchao Dai , Hongdong Li

In this paper, we introduce a novel RGB-D based relative pose estimation approach that is suitable for small-overlapping or non-overlapping scans and can output multiple relative poses. Our method performs scene completion and matches the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Zhenpei Yang , Siming Yan , Qixing Huang

We address the task of estimating 6D camera poses from sparse-view image sets (2-8 images). This task is a vital pre-processing stage for nearly all contemporary (neural) reconstruction algorithms but remains challenging given sparse views,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Amy Lin , Jason Y. Zhang , Deva Ramanan , Shubham Tulsiani

This paper studies the relative pose problem for autonomous vehicle driving in highly dynamic and possibly cluttered environments. This is a challenging scenario due to the existence of multiple, large, and independently moving objects in…

Robotics · Computer Science 2016-05-13 Liu Liu , Hongdong Li , Yuchao Dai

Rolling shutter (RS) distortion can be interpreted as the result of picking a row of pixels from instant global shutter (GS) frames over time during the exposure of the RS camera. This means that the information of each instant GS frame is…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Zhihang Zhong , Mingdeng Cao , Xiao Sun , Zhirong Wu , Zhongyi Zhou , Yinqiang Zheng , Stephen Lin , Imari Sato

Estimating absolute camera orientations is essential for attitude estimation tasks. An established approach is to first carry out visual odometry (VO) or visual SLAM (V-SLAM), and retrieve the camera orientations (3 DOF) from the camera…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Chee-Kheng Chng , Alvaro Parra , Tat-Jun Chin , Yasir Latif

Stereo relative pose problem lies at the core of stereo visual odometry systems that are used in many applications. In this work, we present two minimal solvers for the stereo relative pose. We specifically consider the case when a minimal…

Computer Vision and Pattern Recognition · Computer Science 2019-07-02 Alexander Vakhitov , Victor Lempitsky , Yinqiang Zheng

Accurate 6D object pose estimation is fundamental to robotic manipulation and grasping. Previous methods follow a local optimization approach which minimizes the distance between closest point pairs to handle the rotation ambiguity of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Meng Tian , Liang Pan , Marcelo H Ang , Gim Hee Lee