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Deep learning has been applied to camera relocalization, in particular, PoseNet and its extended work are the convolutional neural networks which regress the camera pose from a single image. However there are many problems, one of them is…

机器人学 · 计算机科学 2018-02-27 Qiang Fang , Tianjiang Hu

Leveraging line features can help to improve the localization accuracy of point-based monocular Visual-Inertial Odometry (VIO) system, as lines provide additional constraints. Moreover, in an artificial environment, some straight lines are…

机器人学 · 计算机科学 2022-01-14 Bo Xu , Peng Wang , Yijia He , Yu Chen , Yongnan Chen , Ming Zhou

Learning-based methods to solve dense 3D vision problems typically train on 3D sensor data. The respectively used principle of measuring distances provides advantages and drawbacks. These are typically not compared nor discussed in the…

Visual odometry is a widely used technique in the field of robotics and automation to keep a track on the location of a robot using visual cues alone. In this paper, we propose a joint forward backward visual odometry framework by combining…

机器人学 · 计算机科学 2020-02-03 Raghav Sardana , Rahul Kottath , Vinod Karar , Shashi Poddar

Visual odometry (VO) is a fundamental component in robotics and augmented reality. RGB-D direct VO benefits from metric depth measurements, but it can degrade in challenging environments, where dynamic objects, occlusions, illumination…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Haolan Zhang , Thanh Nguyen Canh , Chenghao Li , Ziyan Gao , Xiongwen Jiang , Nak Young Chong

Semantic segmentation consists of assigning a semantic label to each pixel according to predefined classes. This process facilitates the understanding of object appearance and spatial relationships, playing an important role in the global…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Mariana Dória Prata Lima , Gilson Antonio Giraldi , Jaime S. Cardoso

A fundamental challenge in robust visual-inertial odometry (VIO) is to dynamically assess the reliability of sensor measurements. This assessment is crucial for properly weighting the contribution of each measurement to the state estimate.…

机器人学 · 计算机科学 2025-10-03 Seungwon Choi , Donggyu Park , Seo-Yeon Hwang , Tae-Wan Kim

Localization is an essential technique in mobile robotics. In a complex environment, it is necessary to fuse different localization modules to obtain more robust results, in which the error model plays a paramount role. However,…

机器人学 · 计算机科学 2020-03-31 Xiaoliang Ju , Donghao Xu , Huijing Zhao

Pedestrian dead reckoning is a challenging task due to the low-cost inertial sensor error accumulation. Recent research has shown that deep learning methods can achieve impressive performance in handling this issue. In this letter, we…

机器人学 · 计算机科学 2022-06-09 Boxuan Chen , Ruifeng Zhang , Shaochu Wang , Liqiang Zhang , Yu Liu

In this paper, we present iDVO (inertia-embedded deep visual odometry), a self-supervised learning based monocular visual odometry (VO) for road vehicles. When modelling the geometric consistency within adjacent frames, most deep VO methods…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Chengze Wang , Yuan Yuan , Qi Wang

PointGoal navigation in indoor environment is a fundamental task for personal robots to navigate to a specified point. Recent studies solved this PointGoal navigation task with near-perfect success rate in photo-realistically simulated…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Yijun Cao , Xianshi Zhang , Fuya Luo , Chuan Lin , Yongjie Li

Monocular visual odometry (VO) is a fundamental computer vision problem with applications in autonomous navigation, augmented reality and more. While deep learning-based methods have recently shown superior accuracy compared to traditional…

计算机视觉与模式识别 · 计算机科学 2026-04-27 Dominik Kuczkowski , Laura Ruotsalainen

Some recent visual-based relocalization algorithms rely on deep learning methods to perform camera pose regression from image data. This paper focuses on the loss functions that embed the error between two poses to perform deep learning…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Clémentin Boittiaux , Ricard Marxer , Claire Dune , Aurélien Arnaubec , Vincent Hugel

Visual-inertial odometry (VIO) is widely used in various fields, such as robots, drones, and autonomous vehicles. However, real-world scenes often feature dynamic objects, compromising the accuracy of VIO. The diversity and partial…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Rui Zhou , Jingbin Liu , Junbin Xie , Jianyu Zhang , Yingze Hu , Jiele Zhao

The use of orthogonal projections on high-dimensional input and target data in learning frameworks is studied. First, we investigate the relations between two standard objectives in dimension reduction, preservation of variance and of…

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…

机器人学 · 计算机科学 2023-09-14 Jianeng Wang , Jonathan D. Gammell

Deep learning techniques have significantly advanced in providing accurate visual odometry solutions by leveraging large datasets. However, generating uncertainty estimates for these methods remains a challenge. Traditional sensor fusion…

机器人学 · 计算机科学 2024-03-21 Jagatpreet Singh Nir , Dennis Giaya , Hanumant Singh

Metric learning has become an attractive field for research on the latest years. Loss functions like contrastive loss, triplet loss or multi-class N-pair loss have made possible generating models capable of tackling complex scenarios with…

机器学习 · 计算机科学 2019-05-28 Alfonso Medela , Artzai Picon

Dense visual odometry (VO), which provides pose estimation and dense 3D reconstruction, serves as the cornerstone for applications ranging from robotics to augmented reality. Recently, feed-forward models have demonstrated remarkable…

机器人学 · 计算机科学 2026-04-03 Junxiang Pan , Lipu Zhou , Baojie Chen

This paper introduces a fully deep learning approach to monocular SLAM, which can perform simultaneous localization using a neural network for learning visual odometry (L-VO) and dense 3D mapping. Dense 2D flow and a depth image are…

机器人学 · 计算机科学 2018-07-26 Cheng Zhao , Li Sun , Pulak Purkait , Tom Duckett , Rustam Stolkin