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In this paper, an approach for reducing the drift in monocular visual odometry algorithms is proposed based on a feedforward neural network. A visual odometry algorithm computes the incremental motion of the vehicle between the successive…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Hassan Wagih , Mostafa Osman , Mohamed I. Awad , Sherif Hammad

Reliable dynamic object detection in cluttered environments remains a critical challenge for autonomous navigation. Purely geometric LiDAR pipelines that rely on clustering and heuristic filtering can miss dynamic obstacles when they move…

Robotics · Computer Science 2026-03-18 Juan Rached , Yixuan Jia , Kota Kondo , Jonathan P. How

This paper presents a method that leverages vehicle motion constraints to refine data associations in a point-based radar odometry system. By using the strong prior on how a non-holonomic robot is constrained to move smoothly through its…

Robotics · Computer Science 2022-06-22 Roberto Aldera , Matthew Gadd , Daniele De Martini , Paul Newman

Enhancing visual odometry by exploiting sparse depth measurements from LiDAR is a promising solution for improving tracking accuracy of an odometry. Most existing works utilize a monocular pinhole camera, yet could suffer from poor…

Robotics · Computer Science 2025-09-16 Qirui Hu , Zikang Yuan , Tianle Xu , Xiaoxiang Wang , Jinni Geng , Xin Yang

Overactuated omnidirectional flying vehicles are capable of generating force and torque in any direction, which is important for applications such as contact-based industrial inspection. This comes at the price of an increase in model…

Robotics · Computer Science 2020-06-24 Weixuan Zhang , Maximilian Brunner , Lionel Ott , Mina Kamel , Roland Siegwart , Juan Nieto

Compared to LiDAR-based localization methods, which provide high accuracy but rely on expensive sensors, visual localization approaches only require a camera and thus are more cost-effective while their accuracy and reliability typically is…

Computer Vision and Pattern Recognition · Computer Science 2017-06-28 Gabriel L. Oliveira , Noha Radwan , Wolfram Burgard , Thomas Brox

The motion distortion in LiDAR scans caused by aggressive robot motion and varying terrain features significantly impacts the positioning and mapping performance of 3D LiDAR odometry. Existing distortion correction solutions often struggle…

Robotics · Computer Science 2024-10-22 Bo Zhou , Jiajie Wu , Yan Pan , Chuanzhao Lu

As a key technology for autonomous navigation and positioning in mobile robots, light detection and ranging (LiDAR) odometry is widely used in autonomous driving applications. The Iterative Closest Point (ICP)-based methods have become the…

Robotics · Computer Science 2025-09-29 Qifeng Wang , Weigang Li , Lei Nie , Xin Xu , Wenping Liu , Zhe Xu

Inertial odometry is an attractive solution to the problem of state estimation for agile quadrotor flight. It is inexpensive, lightweight, and it is not affected by perceptual degradation. However, only relying on the integration of the…

Robotics · Computer Science 2023-03-01 Giovanni Cioffi , Leonard Bauersfeld , Elia Kaufmann , Davide Scaramuzza

An autonomous driving system requires a 3D object detector, which must perceive all present road agents reliably to navigate an environment safely. However, real-world driving datasets often suffer from the problem of data imbalance, which…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Daeun Lee , Jongwon Park , Jinkyu Kim

Modern sensors play a pivotal role in many operating platforms, as they manage to track the platform dynamics at a relatively low manufacturing costs. Their widespread use can be found starting from autonomous vehicles, through tactical…

Signal Processing · Electrical Eng. & Systems 2026-05-19 Daniel Engelsman , Itzik Klein

We use reinforcement meta learning to optimize a line of sight curvature policy that increases the effectiveness of a guidance system against maneuvering targets. The policy is implemented as a recurrent neural network that maps navigation…

Robotics · Computer Science 2022-05-03 Brian Gaudet , Roberto Furfaro

A misalignment of LiDAR as low as a few degrees could cause a significant error in obstacle detection and mapping that could cause safety and quality issues. In this paper, an accurate inspection system is proposed for estimating a LiDAR…

Image and Video Processing · Electrical Eng. & Systems 2020-08-25 Seontake Oh , Ji-Hwan You , Azim Eskandarian , Young-Keun Kim

Accurate, robust, and real-time LiDAR-based odometry (LO) is imperative for many applications like robot navigation, globally consistent 3D scene map reconstruction, or safe motion-planning. Though LiDAR sensor is known for its precise…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Sk Aziz Ali , Djamila Aouada , Gerd Reis , Didier Stricker

With broad applications in various public services like aviation management and urban disaster warning, numerical precipitation prediction plays a crucial role in weather forecast. However, constrained by the limitation of observation and…

Machine Learning · Computer Science 2019-10-18 Xiaoyang Xu , Yiqun Liu , Hanqing Chao , Youcheng Luo , Hai Chu , Lei Chen , Junping Zhang , Leiming Ma

We introduce a novel method for odometry estimation using convolutional neural networks from 3D LiDAR scans. The original sparse data are encoded into 2D matrices for the training of proposed networks and for the prediction. Our networks…

Robotics · Computer Science 2017-12-19 Martin Velas , Michal Spanel , Michal Hradis , Adam Herout

In the last decades, Light Detection And Ranging (LiDAR) technology has been extensively explored as a robust alternative for self-localization and mapping. These approaches typically state ego-motion estimation as a non-linear optimization…

We present a method for 3D object detection and pose estimation from a single image. In contrast to current techniques that only regress the 3D orientation of an object, our method first regresses relatively stable 3D object properties…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Arsalan Mousavian , Dragomir Anguelov , John Flynn , Jana Kosecka

The meta learning few-shot classification is an emerging problem in machine learning that received enormous attention recently, where the goal is to learn a model that can quickly adapt to a new task with only a few labeled data. We…

Machine Learning · Computer Science 2021-12-14 Minyoung Kim , Timothy Hospedales

We present a novel deep convolutional network pipeline, LO-Net, for real-time lidar odometry estimation. Unlike most existing lidar odometry (LO) estimations that go through individually designed feature selection, feature matching, and…

Computer Vision and Pattern Recognition · Computer Science 2020-01-20 Qing Li , Shaoyang Chen , Cheng Wang , Xin Li , Chenglu Wen , Ming Cheng , Jonathan Li