English
Related papers

Related papers: A Synchronized Stereo and Plenoptic Visual Odometr…

200 papers

Accurate localization is essential for robotics and augmented reality applications such as autonomous navigation. Vision-based methods combining prior maps aim to integrate LiDAR-level accuracy with camera cost efficiency for robust pose…

Robotics · Computer Science 2025-03-06 Jie Deng , Fengtian Lang , Zikang Yuan , Xin Yang

This paper introduces a cost effective localization system combining monocular visual odometry , augmented reality (AR) poses, and integrated INS-GPS data. We address monocular VO scale factor issues using AR poses and enhance accuracy with…

Robotics · Computer Science 2024-11-26 Ankit Shaw

Visual odometry is an essential key for a localization module in SLAM systems. However, previous methods require tuning the system to adapt environment changes. In this paper, we propose a learning-based approach for frame-to-frame…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Joosung Lee , Sangwon Hwang , Kyungjae Lee , Woo Jin Kim , Junhyeop Lee , Tae-young Chung , Sangyoun Lee

Autonomous robots often rely on monocular cameras for odometry estimation and navigation. However, the scale ambiguity problem presents a critical barrier to effective monocular visual odometry. In this paper, we present CodedVO, a novel…

Robotics · Computer Science 2024-07-26 Sachin Shah , Naitri Rajyaguru , Chahat Deep Singh , Christopher Metzler , Yiannis Aloimonos

In this paper we propose a framework for integrating map-based relocalization into online direct visual odometry. To achieve map-based relocalization for direct methods, we integrate image features into Direct Sparse Odometry (DSO) and rely…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Mariia Gladkova , Rui Wang , Niclas Zeller , Daniel Cremers

Monocular visual odometry (VO) suffers severely from error accumulation during frame-to-frame pose estimation. In this paper, we present a self-supervised learning method for VO with special consideration for consistency over longer…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Yuliang Zou , Pan Ji , Quoc-Huy Tran , Jia-Bin Huang , Manmohan Chandraker

The problem of tracking self-motion as well as motion of objects in the scene using information from a camera is known as multi-body visual odometry and is a challenging task. This paper proposes a robust solution to achieve accurate…

Robotics · Computer Science 2020-07-29 Jun Zhang , Mina Henein , Robert Mahony , Viorela Ila

Multi-camera SLAM systems offer a plethora of advantages, primarily stemming from their capacity to amalgamate information from a broader field of view, thereby resulting in heightened robustness and improved localization accuracy. In this…

Robotics · Computer Science 2024-04-02 Han Song , Cong Liu , Huafeng Dai

The paper evaluates the error performance of three random finite set based multi-object trackers in the context of pedestrian video tracking. The evaluation is carried out using a publicly available video dataset of 4500 frames (town centre…

Computer Vision and Pattern Recognition · Computer Science 2012-11-26 Branko Ristic , Jamie Sherrah , Ángel F. García-Fernández

Spherical cameras capture scenes in a holistic manner and have been used for room layout estimation. Recently, with the availability of appropriate datasets, there has also been progress in depth estimation from a single omnidirectional…

Computer Vision and Pattern Recognition · Computer Science 2022-06-24 Nikolaos Zioulis , Federico Alvarez , Dimitrios Zarpalas , Petros Daras

Localization and mapping are key capabilities for self-driving vehicles. In this paper, we build on Kimera and extend it to use multiple cameras as well as external (eg wheel) odometry sensors, to obtain accurate and robust odometry…

We present an efficient multi-sensor odometry system for mobile platforms that jointly optimizes visual, lidar, and inertial information within a single integrated factor graph. This runs in real-time at full framerate using fixed lag…

Robotics · Computer Science 2021-02-18 David Wisth , Marco Camurri , Sandipan Das , Maurice Fallon

We present an approach to capture the 3D motion of a group of people engaged in a social interaction. The core challenges in capturing social interactions are: (1) occlusion is functional and frequent; (2) subtle motion needs to be measured…

Computer Vision and Pattern Recognition · Computer Science 2016-12-12 Hanbyul Joo , Tomas Simon , Xulong Li , Hao Liu , Lei Tan , Lin Gui , Sean Banerjee , Timothy Godisart , Bart Nabbe , Iain Matthews , Takeo Kanade , Shohei Nobuhara , Yaser Sheikh

In this paper, we present the Trifo Visual Inertial Odometry (Trifo-VIO), a tightly-coupled filtering-based stereo VIO system using both points and lines. Line features help improve system robustness in challenging scenarios when point…

Computer Vision and Pattern Recognition · Computer Science 2018-09-20 Feng Zheng , Grace Tsai , Zhe Zhang , Shaoshan Liu , Chen-Chi Chu , Hongbing Hu

Robust feature matching forms the backbone for most Visual Simultaneous Localization and Mapping (vSLAM), visual odometry, 3D reconstruction, and Structure from Motion (SfM) algorithms. However, recovering feature matches from texture-poor…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Shenbagaraj Kannapiran , Nalin Bendapudi , Ming-Yuan Yu , Devarth Parikh , Spring Berman , Ankit Vora , Gaurav Pandey

In this paper, we present TANDEM a real-time monocular tracking and dense mapping framework. For pose estimation, TANDEM performs photometric bundle adjustment based on a sliding window of keyframes. To increase the robustness, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Lukas Koestler , Nan Yang , Niclas Zeller , Daniel Cremers

Active depth cameras suffer from several limitations, which cause incomplete and noisy depth maps, and may consequently affect the performance of RGB-D Odometry. To address this issue, this paper presents a visual odometry method based on…

Robotics · Computer Science 2017-08-10 Pedro F. Proença , Yang Gao

We consider the problem of reconstructing a dynamic scene observed from a stereo camera. Most existing methods for depth from stereo treat different stereo frames independently, leading to temporally inconsistent depth predictions. Temporal…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Nikita Karaev , Ignacio Rocco , Benjamin Graham , Natalia Neverova , Andrea Vedaldi , Christian Rupprecht

This paper proposes an observer for generating depth maps of a scene from a sequence of measurements acquired by a two-plane light-field (plenoptic) camera. The observer is based on a gradient-descent methodology. The use of motion allows…

Optimization and Control · Mathematics 2018-09-24 Sean G. P. O'Brien , Jochen Trumpf , Viorela Ila , Robert Mahony

Accurate estimation of stereo camera extrinsic parameters is the key to guarantee the performance of stereo matching algorithms. In prior arts, the online self-calibration of stereo cameras has commonly been formulated as a specialized…

Robotics · Computer Science 2024-03-05 Hongbo Zhao , Yikang Zhang , Qijun Chen , Rui Fan