English
Related papers

Related papers: Minimal Solvers for Mini-Loop Closures in 3D Multi…

200 papers

The filming of sporting events projects and flattens the movement of athletes in the world onto a 2D broadcast image. The pixel locations of joints in these images can be detected with high validity. Recovering the actual 3D movement of the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Tobias Baumgartner , Stefanie Klatt

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

We aim at estimating the fundamental matrix in two views from five correspondences of rotation invariant features obtained by e.g.\ the SIFT detector. The proposed minimal solver first estimates a homography from three correspondences…

Computer Vision and Pattern Recognition · Computer Science 2018-03-02 Daniel Barath

We consider the classical camera pose estimation problem that arises in many computer vision applications, in which we are given n 2D-3D correspondences between points in the scene and points in the camera image (some of which are incorrect…

Computational Geometry · Computer Science 2019-03-19 Dror Aiger , Haim Kaplan , Efi Kokiopoulou , Micha Sharir , Bernhard Zeisl

Calibration of multi-camera systems is a key task for accurate object tracking. However, it remains a challenging problem in real-world conditions, where traditional methods are not applicable due to the lack of accurate floor plans,…

Image and Video Processing · Electrical Eng. & Systems 2025-12-08 Aleksandr Abramov

This article presents for the first time a global method for registering 3D curves with 3D surfaces without requiring an initialization. The algorithm works with 2-tuples point+vector that consist in pairs of points augmented with the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Carolina Raposo , Joao P. Barreto

Today, people can easily record memorable moments, ranging from concerts, sports events, lectures, family gatherings, and birthday parties with multiple consumer cameras. However, synchronizing these cross-camera streams remains…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Shaowei Liu , David Yifan Yao , Saurabh Gupta , Shenlong Wang

Co-registering the Sentinel-1 SAR and Sentinel-2 optical data of European Space Agency (ESA) is of great importance for many remote sensing applications. However, we find that there are evident misregistration shifts between the Sentinel-1…

Image and Video Processing · Electrical Eng. & Systems 2021-06-15 Yuanxin Ye , Chao Yang , Bai Zhu , Youquan He , Huarong Jia

Estimating the 6-DoF pose of a camera from a single image relative to a pre-computed 3D point-set is an important task for many computer vision applications. Perspective-n-Point (PnP) solvers are routinely used for camera pose estimation,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-28 Dylan Campbell , Lars Petersson , Laurent Kneip , Hongdong Li

The spinal angle is an important indicator of body balance. It is important to restore the 3D shape of the human body and estimate the spine center line. Existing mul-ti-image-based body restoration methods require expensive equipment and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Sehyun Kim , Hye Jun Lee , Jiwoo Lee , Changgyun Kim , Taemin Lee

We aim to reduce the tedious nature of developing and evaluating methods for aligning PET-CT scans from multiple patient visits. Current methods for registration rely on correspondences that are created manually by medical experts with 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-11-26 Teaghan O'Briain , Kyong Hwan Jin , Hongyoon Choi , Erika Chin , Magdalena Bazalova-Carter , Kwang Moo Yi

With an aim to increase the capture range and accelerate the performance of state-of-the-art inter-subject and subject-to-template 3D registration, we propose deep learning-based methods that are trained to find the 3D position of…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Seyed Sadegh Mohseni Salehi , Shadab Khan , Deniz Erdogmus , Ali Gholipour

Large electron microscopy image datasets for connectomics are typically composed of thousands to millions of partially overlapping two-dimensional images (tiles), which must be registered into a coherent volume prior to further analysis. A…

Computer Vision and Pattern Recognition · Computer Science 2018-04-27 Khaled Khairy , Gennady Denisov , Stephan Saalfeld

We address the problem of estimating both translational and angular velocity of a camera from asynchronous point tracks, a formulation relevant to rolling shutter and event cameras. Since the original problem is non-polynomial, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Petr Hruby , Marc Pollefeys

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

Generating wide-area digital surface models (DSMs) requires registering a large number of individual, and partially overlapped DSMs. This presents a challenging problem for a typical registration algorithm, since when a large number of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Ningli Xu , Rongjun Qin

Commercial off the shelf (COTS) 3D scanners are capable of generating point clouds covering visible portions of a face with sub-millimeter accuracy at close range, but lack the coverage and specialized anatomic registration provided by more…

Computer Vision and Pattern Recognition · Computer Science 2017-08-18 Maxim Bazik , Daniel Crispell

LiDAR-camera calibration is a precondition for many heterogeneous systems that fuse data from LiDAR and camera. However, the constraint from common field of view and the requirement for strict time synchronization make the calibration a…

Robotics · Computer Science 2019-07-31 Bo Fu , Yue Wang , Xiaqing Ding , Yanmei Jiao , Li Tang , Rong Xiong

We present a new insight into the systematic generation of minimal solvers in computer vision, which leads to smaller and faster solvers. Many minimal problem formulations are coupled sets of linear and polynomial equations where image…

Computer Vision and Pattern Recognition · Computer Science 2017-03-16 Zuzana Kukelova , Joe Kileel , Bernd Sturmfels , Tomas Pajdla

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