no code implementations • 17 Nov 2022 • Hongyan Jiang, Maoran Zhu, Yanyan Fu, Yuanxin Wu
This paper proposes a computationally efficient matrix formulation of the functional iteration approach, named the iNavFIter-M.
no code implementations • 2 Mar 2021 • Qi Cai, Lilian Zhang, Yuanxin Wu, Wenxian Yu, Dewen Hu
Visual navigation and three-dimensional (3D) scene reconstruction are essential for robotics to interact with the surrounding environment.
no code implementations • 24 Feb 2021 • Wei Ouyang, Yuanxin Wu
This paper proposes a compact and elegant representation of the body's attitude, velocity and position, with the aid of a devised trident quaternion tool in which the position is accounted for by adding a second imaginary part to the dual quaternion.
Robotics Systems and Control Systems and Control
no code implementations • 24 Feb 2021 • Wei Ouyang, Yuanxin Wu
This work deals with error models for trident quaternion framework proposed in the companion paper (Part I) and further uses them to investigate the odometer-aided static/in-motion inertial navigation attitude alignment for land vehicles.
Robotics Systems and Control Systems and Control
no code implementations • 11 Oct 2020 • Shengjie Li, Qi Cai, Yuanxin Wu
Identifying feature correspondence between two images is a fundamental procedure in three-dimensional computer vision.
no code implementations • 9 May 2019 • Qi Cai, Tsung-Ching Lin, Yuanxin Wu, Wenxian Yu, Trieu-Kien Truong
A general and fast method is conceived for computing the cyclic convolution of n points, where n is a prime number.
no code implementations • 16 Oct 2018 • Danping Zou, Yuanxin Wu, Ling Pei, Haibin Ling, Wenxian Yu
Instead of using Manhattan world assumption, we use Atlanta world model to describe such regularity.
Robotics
no code implementations • 13 Oct 2018 • Qi Cai, Yuanxin Wu, Lilian Zhang, Peike Zhang
The PPO constraints are simplified and formulated in the form of inequalities to directly identify the right pose solution with no need of 3D reconstruction and the 3D reconstruction can be analytically achieved from the identified right pose.