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Accurately perceiving location and scene is crucial for autonomous driving and mobile robots. Recent advances in deep learning have made it possible to learn egomotion and depth from monocular images in a self-supervised manner, without…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Hao Qu , Lilian Zhang , Xiaoping Hu , Xiaofeng He , Xianfei Pan , Changhao Chen

Motion blur is one of the major challenges remaining for visual odometry methods. In low-light conditions where longer exposure times are necessary, motion blur can appear even for relatively slow camera motions. In this paper we present a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Peidong Liu , Xingxing Zuo , Viktor Larsson , Marc Pollefeys

Learning model-free object pose estimation for unseen instances remains a fundamental challenge in 3D vision. Existing methods typically fall into two disjoint paradigms: category-level approaches predict absolute poses in a canonical space…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Weihang Li , Lorenzo Garattoni , Fabien Despinoy , Nassir Navab , Benjamin Busam

Flow Matching (FM) has recently emerged as a leading approach for high-fidelity visual generation, offering a robust continuous-time alternative to ordinary differential equation (ODE) based models. However, despite their success, FM models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Dayu Wang , Jiaye Yang , Weikang Li , Jiahui Liang , Yang Li

Effectively localizing an agent in a realistic, noisy setting is crucial for many embodied vision tasks. Visual Odometry (VO) is a practical substitute for unreliable GPS and compass sensors, especially in indoor environments. While…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Marius Memmel , Roman Bachmann , Amir Zamir

Event-based visual odometry is a specific branch of visual Simultaneous Localization and Mapping (SLAM) techniques, which aims at solving tracking and mapping subproblems (typically in parallel), by exploiting the special working principles…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Junkai Niu , Sheng Zhong , Xiuyuan Lu , Shaojie Shen , Guillermo Gallego , Yi Zhou

Flow Matching (FM) models achieve remarkable results in generative tasks. Building upon diffusion models, FM's simulation-free training paradigm enables simplicity and efficiency but introduces a train-inference gap: model outputs cannot be…

Machine Learning · Computer Science 2026-01-30 Zhaoyi Li , Jingtao Ding , Yong Li , Shihua Li

This paper proposes a discrete-time geometric attitude observer for fusing monocular vision with GPS velocity measurements. The observer takes the relative transformations obtained from processing monocular images with any visual odometry…

Robotics · Computer Science 2017-04-05 Alireza Khosravian , Tat-Jun Chin , Ian Reid , Robert Mahony

Visual Inertial Odometry (VIO) is a widely used computer vision method that determines an agent's movement through a camera and an IMU sensor. This paper presents an efficient and accurate VIO pipeline optimized for applications on micro-…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Jonas Kühne , Christian Vogt , Michele Magno , Luca Benini

Reconstruction of 3D neural fields from posed images has emerged as a promising method for self-supervised representation learning. The key challenge preventing the deployment of these 3D scene learners on large-scale video data is their…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Cameron Smith , Yilun Du , Ayush Tewari , Vincent Sitzmann

Estimating the 3D world from 2D monocular images is a fundamental yet challenging task due to the labour-intensive nature of 3D annotations. To simplify label acquisition, this work proposes a novel approach that bridges 2D vision…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Sihao Lin , Daqi Liu , Ruochong Fu , Dongrui Liu , Andy Song , Hongwei Xie , Zhihui Li , Bing Wang , Xiaojun Chang

This paper presents a novel tightly coupled Filter-based monocular visual-inertial-wheel odometry (VIWO) system for ground robots, designed to deliver accurate and robust localization in long-term complex outdoor navigation scenarios. As an…

Robotics · Computer Science 2025-03-04 Zhixin Zhang , Wenzhi Bai , Liang Zhao , Pawel Ladosz

Event cameras are motion-activated sensors that capture pixel-level illumination changes instead of the intensity image with a fixed frame rate. Compared with the standard cameras, it can provide reliable visual perception during high-speed…

Computer Vision and Pattern Recognition · Computer Science 2023-09-27 Weipeng Guan , Peiyu Chen , Yuhan Xie , Peng Lu

Flow Matching (FM) has recently emerged as a principled and efficient alternative to diffusion models. Standard FM encourages the learned velocity field to follow a target direction; however, it may accumulate errors along the trajectory…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zong-Wei Hong , Jing-lun Li , Lin-Ze Li , Shen Zhang , Yao Tang

State-of-the-art forward facing monocular visual-inertial odometry algorithms are often brittle in practice, especially whilst dealing with initialisation and motion in directions that render the state unobservable. In such cases having a…

Robotics · Computer Science 2019-05-15 Bo Fu , Kumar Shaurya Shankar , Nathan Michael

Visual Odometry (VO) plays a pivotal role in autonomous systems, with a principal challenge being the lack of depth information in camera images. This paper introduces OCC-VO, a novel framework that capitalizes on recent advances in deep…

Robotics · Computer Science 2024-03-27 Heng Li , Yifan Duan , Xinran Zhang , Haiyi Liu , Jianmin Ji , Yanyong Zhang

The self-supervised learning of depth and pose from monocular sequences provides an attractive solution by using the photometric consistency of nearby frames as it depends much less on the ground-truth data. In this paper, we address the…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Tianwei Shen , Lei Zhou , Zixin Luo , Yao Yao , Shiwei Li , Jiahui Zhang , Tian Fang , Long Quan

Depth estimation plays a important role in SLAM, odometry, and autonomous driving. Especially, monocular depth estimation is profitable technology because of its low cost, memory, and computation. However, it is not a sufficiently…

Computer Vision and Pattern Recognition · Computer Science 2022-02-25 Hyeonsoo Jang , Yeongmin Ko , Younkwan Lee , Moongu Jeon

Optical cameras are gaining popularity as the suitable sensor for relative navigation in space due to their attractive sizing, power and cost properties when compared to conventional flight hardware or costly laser-based systems. However, a…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Duarte Rondao , Nabil Aouf , Mark A. Richardson , Vincent Dubanchet

Event-based cameras asynchronously capture individual visual changes in a scene. This makes them more robust than traditional frame-based cameras to highly dynamic motions and poor illumination. It also means that every measurement in a…

Robotics · Computer Science 2023-09-14 Jianeng Wang , Jonathan D. Gammell