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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

Affine correspondences have traditionally been used to improve feature matching over wide baselines. While recent work has successfully used affine correspondences to solve various relative camera pose estimation problems, less attention…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Jonathan Ventura , Zuzana Kukelova , Torsten Sattler , Dániel Baráth

Monocular depth estimation (MDE) models have undergone significant advancements over recent years. Many MDE models aim to predict affine-invariant relative depth from monocular images, while recent developments in large-scale training and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Yifan Yu , Shaohui Liu , Rémi Pautrat , Marc Pollefeys , Viktor Larsson

We propose three novel solvers for estimating the relative pose of a multi-camera system from affine correspondences (ACs). A new constraint is derived interpreting the relationship of ACs and the generalized camera model. Using the…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Banglei Guan , Ji Zhao , Daniel Barath , Friedrich Fraundorfer

The point correspondence (PC) and affine correspondence (AC) are widely used for relative pose estimation. An AC consists of a PC across two views and an affine transformation between the small patches around this PC. Previous work…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Ji Zhao , Banglei Guan

Recent advances in monocular depth estimation methods (MDE) and their improved accuracy open new possibilities for their applications. In this paper, we investigate how monocular depth estimates can be used for relative pose estimation. In…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Yaqing Ding , Viktor Kocur , Václav Vávra , Zuzana Berger Haladová , Jian Yang , Torsten Sattler , Zuzana Kukelova

In this paper, we aim to estimate the relative pose and focal length between two views with known intrinsic parameters except for an unknown focal length from two affine correspondences (ACs). Cameras are commonly used in combination with…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Zhenbao Yu , Shirong Ye , Ronghe Jin , Shunkun Liang , Zibin Liu , Huiyun Zhang , Banglei Guan

In this paper we present four cases of minimal solutions for two-view relative pose estimation by exploiting the affine transformation between feature points and we demonstrate efficient solvers for these cases. It is shown, that under the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Banglei Guan , Ji Zhao , Zhang Li , Fang Sun , Friedrich Fraundorfer

Relative pose estimation for RGBD cameras is crucial in a number of applications. Previous approaches either rely on the RGB aspect of the images to estimate pose thus not fully making use of depth in the estimation process or estimate pose…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Sourav Kumar , Chiang-Heng Chien , Benjamin Kimia

We study the challenging problem of estimating the relative pose of three calibrated cameras from four point correspondences. We propose novel efficient solutions to this problem that are based on the simple idea of using four…

Computer Vision and Pattern Recognition · Computer Science 2025-11-07 Charalambos Tzamos , Viktor Kocur , Yaqing Ding , Daniel Barath , Zuzana Berger Haladova , Torsten Sattler , Zuzana Kukelova

Mobile devices equipped with a multi-camera system and an inertial measurement unit (IMU) are widely used nowadays, such as self-driving cars. The task of relative pose estimation using visual and inertial information has important…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Zhenbao Yu , Banglei Guan , Shunkun Liang , Zibin Liu , Yang Shang , Qifeng Yu

Affine correspondences have received significant attention due to their benefits in tasks like image matching and pose estimation. Existing methods for extracting affine correspondences still have many limitations in terms of performance;…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Pengju Sun , Banglei Guan , Zhenbao Yu , Yang Shang , Qifeng Yu , Daniel Barath

Understanding the geometry and pose of objects in 2D images is a fundamental necessity for a wide range of real world applications. Driven by deep neural networks, recent methods have brought significant improvements to object pose…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Jogendra Nath Kundu , Rahul M. V. , Aditya Ganeshan , R. Venkatesh Babu

Estimating the relative camera pose from $n \geq 5$ correspondences between two calibrated views is a fundamental task in computer vision. This process typically involves two stages: 1) estimating the essential matrix between the views, and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Javier Tirado-Garín , Javier Civera

Estimating relative camera poses between images has been a central problem in computer vision. Methods that find correspondences and solve for the fundamental matrix offer high precision in most cases. Conversely, methods predicting pose…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Chris Rockwell , Nilesh Kulkarni , Linyi Jin , Jeong Joon Park , Justin Johnson , David F. Fouhey

We propose a three-stage 6 DoF object detection method called DPODv2 (Dense Pose Object Detector) that relies on dense correspondences. We combine a 2D object detector with a dense correspondence estimation network and a multi-view pose…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Ivan Shugurov , Sergey Zakharov , Slobodan Ilic

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

Given two images, we can estimate the relative camera pose between them by establishing image-to-image correspondences. Usually, correspondences are 2D-to-2D and the pose we estimate is defined only up to scale. Some applications, aiming at…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Axel Barroso-Laguna , Sowmya Munukutla , Victor Adrian Prisacariu , Eric Brachmann

3D human pose and shape estimation from monocular images has been an active research area in computer vision. Existing deep learning methods for this task rely on high-resolution input, which however, is not always available in many…

Computer Vision and Pattern Recognition · Computer Science 2021-03-12 Xiangyu Xu , Hao Chen , Francesc Moreno-Noguer , Laszlo A. Jeni , Fernando De la Torre

Monocular depth estimation has improved significantly in recent years, driven by increasingly powerful models and large-scale training data. Predicted depth is increasingly used as an input signal for downstream tasks such as…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Viktor Kocur , Sithu Aung , Gabrielle Flood , Yaqing Ding , Lukas Bujnak , Torsten Sattler , Zuzana Kukelova
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