1 code implementation • 13 Jan 2025 • Yaqing Ding, Viktor Kocur, Zuzana Berger Haladová, Qianliang Wu, Shen Cai, Jian Yang, Zuzana Kukelova
In this paper, we propose a novel approach for recovering focal lengths from three-view homographies.
1 code implementation • 13 Jan 2025 • Yaqing Ding, Václav Vávra, Viktor Kocur, Jian Yang, Torsten Sattler, Zuzana Kukelova
We derive efficient solvers for three cases: (1) two calibrated cameras, (2) two uncalibrated cameras with an unknown but shared focal length, and (3) two uncalibrated cameras with unknown and different focal lengths.
1 code implementation • 8 Oct 2024 • Charalambos Tzamos, Viktor Kocur, Yaqing Ding, Torsten Sattler, Zuzana Kukelova
The common approach to relative pose estimation is to apply a minimal solver inside a RANSAC loop.
1 code implementation • 29 Mar 2024 • Qianliang Wu, Haobo Jiang, Lei Luo, Jun Li, Yaqing Ding, Jin Xie, Jian Yang
Establishing reliable correspondences is essential for registration tasks such as 3D and 2D3D registration.
no code implementations • CVPR 2024 • Yaqing Ding, Jonathan Astermark, Magnus Oskarsson, Viktor Larsson
Two-view homography estimation is a classic and fundamental problem in computer vision.
no code implementations • 31 Dec 2023 • Qianliang Wu, Haobo Jiang, Yaqing Ding, Lei Luo, Jin Xie, Jian Yang
They typically compute candidate correspondences based on distances in the point feature space.
no code implementations • 12 Sep 2023 • Qianliang Wu, Yaqing Ding, Lei Luo, Haobo Jiang, Shuo Gu, Chuanwei Zhou, Jin Xie, Jian Yang
These high-order features are then propagated to dense points and utilized by a Sinkhorn matching module to identify key correspondences for successful registration.
no code implementations • 12 Feb 2023 • Qianliang Wu, Yaqi Shen, Haobo Jiang, Guofeng Mei, Yaqing Ding, Lei Luo, Jin Xie, Jian Yang
Point Cloud Registration is a fundamental and challenging problem in 3D computer vision.
1 code implementation • CVPR 2023 • Yaqing Ding, Jian Yang, Viktor Larsson, Carl Olsson, Kalle Åström
One of the classical multi-view geometry problems is the so called P3P problem, where the absolute pose of a calibrated camera is determined from three 2D-to-3D correspondences.
no code implementations • ICCV 2023 • Yaqing Ding, Chiang-Heng Chien, Viktor Larsson, Karl Åström, Benjamin Kimia
For a generalized (or non-central) camera model, the minimal problem for two views of six points has efficient solvers.
no code implementations • CVPR 2022 • Yaqing Ding, Daniel Barath, Jian Yang, Zuzana Kukelova
In this paper, we propose a new minimal and a non-minimal solver for estimating the relative camera pose together with the unknown focal length of the second camera.
no code implementations • ICCV 2021 • Yaqing Ding, Daniel Barath, Zuzana Kukelova
When capturing panoramas, people tend to align their cameras with the vertical axis, i. e., the direction of gravity.
no code implementations • CVPR 2021 • Yaqing Ding, Daniel Barath, Jian Yang, Hui Kong, Zuzana Kukelova
Smartphones, tablets and camera systems used, e. g., in cars and UAVs, are typically equipped with IMUs (inertial measurement units) that can measure the gravity vector accurately.
no code implementations • CVPR 2020 • Yaqing Ding, Jian Yang, Jean Ponce, Hui Kong
We propose minimal solutions to relative pose estimation problem from two views sharing a common direction with unknown focal length.
no code implementations • ICCV 2019 • Yaqing Ding, Jian Yang, Jean Ponce, Hui Kong
In this paper, we propose a novel approach to two-view minimal-case relative pose problems based on homography with a common reference direction.