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This paper studies monocular visual odometry (VO) problem. Most of existing VO algorithms are developed under a standard pipeline including feature extraction, feature matching, motion estimation, local optimisation, etc. Although some of…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Sen Wang , Ronald Clark , Hongkai Wen , Niki Trigoni

Localization is an indispensable component of a robot's autonomy stack that enables it to determine where it is in the environment, essentially making it a precursor for any action execution or planning. Although convolutional neural…

Robotics · Computer Science 2018-03-13 Abhinav Valada , Noha Radwan , Wolfram Burgard

Deep Learning based techniques have been adopted with precision to solve a lot of standard computer vision problems, some of which are image classification, object detection and segmentation. Despite the widespread success of these…

Computer Vision and Pattern Recognition · Computer Science 2016-11-21 Vikram Mohanty , Shubh Agrawal , Shaswat Datta , Arna Ghosh , Vishnu Dutt Sharma , Debashish Chakravarty

Visual Odometry (VO) accumulates a positional drift in long-term robot navigation tasks. Although Convolutional Neural Networks (CNNs) improve VO in various aspects, VO still suffers from moving obstacles, discontinuous observation of…

Computer Vision and Pattern Recognition · Computer Science 2020-06-25 Felix Ott , Tobias Feigl , Christoffer Löffler , Christopher Mutschler

Traditional monocular direct visual odometry (DVO) is one of the most famous methods to estimate the ego-motion of robots and map environments from images simultaneously. However, DVO heavily relies on high-quality images and accurate…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Chaoqiang Zhao , Yang Tang , Qiyu Sun , Athanasios V. Vasilakos

One of the main open challenges in visual odometry (VO) is the robustness to difficult illumination conditions or high dynamic range (HDR) environments. The main difficulties in these situations come from both the limitations of the sensors…

Computer Vision and Pattern Recognition · Computer Science 2018-04-11 Ruben Gomez-Ojeda , Zichao Zhang , Javier Gonzalez-Jimenez , Davide Scaramuzza

This paper proposes a new framework to solve the problem of monocular visual odometry, called MagicVO . Based on Convolutional Neural Network (CNN) and Bi-directional LSTM (Bi-LSTM), MagicVO outputs a 6-DoF absolute-scale pose at each…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Jian Jiao , Jichao Jiao , Yaokai Mo , Weilun Liu , Zhongliang Deng

Classical monocular vSLAM/VO methods suffer from the scale ambiguity problem. Hybrid approaches solve this problem by adding deep learning methods, for example by using depth maps which are predicted by a CNN. We suggest that it is better…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Robin Kreuzig , Matthias Ochs , Rudolf Mester

In this work we present a monocular visual odometry (VO) algorithm which leverages geometry-based methods and deep learning. Most existing VO/SLAM systems with superior performance are based on geometry and have to be carefully designed for…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Huangying Zhan , Chamara Saroj Weerasekera , Jiawang Bian , Ian Reid

Drones are increasingly used in fields like industry, medicine, research, disaster relief, defense, and security. Technical challenges, such as navigation in GPS-denied environments, hinder further adoption. Research in visual odometry is…

Robotics · Computer Science 2024-04-30 Olivier Brochu Dufour , Abolfazl Mohebbi , Sofiane Achiche

Visual odometry (VO) and SLAM have been using multi-view geometry via local structure from motion for decades. These methods have a slight disadvantage in challenging scenarios such as low-texture images, dynamic scenarios, etc. Meanwhile,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-11 Akankshya Kar , Sajal Maheshwari , Shamit Lal , Vinay Sameer Raja Kad

Visual odometry (VO) is a prevalent way to deal with the relative localization problem, which is becoming increasingly mature and accurate, but it tends to be fragile under challenging environments. Comparing with classical geometry-based…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Ke Wang , Sai Ma , Junlan Chen , Fan Ren

Semantic understanding and localization are fundamental enablers of robot autonomy that have for the most part been tackled as disjoint problems. While deep learning has enabled recent breakthroughs across a wide spectrum of scene…

Robotics · Computer Science 2018-10-12 Noha Radwan , Abhinav Valada , Wolfram Burgard

Visual Odometry (VO) is used in many applications including robotics and autonomous systems. However, traditional approaches based on feature matching are computationally expensive and do not directly address failure cases, instead relying…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Nimet Kaygusuz , Oscar Mendez , Richard Bowden

With the success of deep learning based approaches in tackling challenging problems in computer vision, a wide range of deep architectures have recently been proposed for the task of visual odometry (VO) estimation. Most of these proposed…

Robotics · Computer Science 2018-04-16 Ganesh Iyer , J. Krishna Murthy , Gunshi Gupta , K. Madhava Krishna , Liam Paull

Odometry is of key importance for localization in the absence of a map. There is considerable work in the area of visual odometry (VO), and recent advances in deep learning have brought novel approaches to VO, which directly learn salient…

Computer Vision and Pattern Recognition · Computer Science 2020-03-06 Wei Wang , Muhamad Risqi U. Saputra , Peijun Zhao , Pedro Gusmao , Bo Yang , Changhao Chen , Andrew Markham , Niki Trigoni

$ $Visual place recognition is challenging, especially when only a few place exemplars are given. To mitigate the challenge, we consider place recognition method using omnidirectional cameras and propose a novel Omnidirectional…

Computer Vision and Pattern Recognition · Computer Science 2018-03-13 Tsun-Hsuan Wang , Hung-Jui Huang , Juan-Ting Lin , Chan-Wei Hu , Kuo-Hao Zeng , Min Sun

Re-localizing a camera from a single image in a previously mapped area is vital for many computer vision applications in robotics and augmented/virtual reality. In this work, we address the problem of estimating the 6 DoF camera pose…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Mohammad Altillawi , Zador Pataki , Shile Li , Ziyuan Liu

We present a novel end-to-end visual odometry architecture with guided feature selection based on deep convolutional recurrent neural networks. Different from current monocular visual odometry methods, our approach is established on the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Fei Xue , Qiuyuan Wang , Xin Wang , Wei Dong , Junqiu Wang , Hongbin Zha

Multi-view geometry-based methods dominate the last few decades in monocular Visual Odometry for their superior performance, while they have been vulnerable to dynamic and low-texture scenes. More importantly, monocular methods suffer from…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Huangying Zhan , Chamara Saroj Weerasekera , Jia-Wang Bian , Ravi Garg , Ian Reid
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