English
Related papers

Related papers: Reducing Drift in Visual Odometry by Inferring Sun…

200 papers

Forward-looking sonar can capture high resolution images of underwater scenes, but their interpretation is complex. Generic object detection in such images has not been solved, specially in cases of small and unknown objects. In comparison,…

Computer Vision and Pattern Recognition · Computer Science 2017-09-11 Matias Valdenegro-Toro

Periorbital distances are critical markers for diagnosing and monitoring a range of oculoplastic and craniofacial conditions. Manual measurement, however, is subjective and prone to intergrader variability. Automated methods have been…

This article introduces BEVPlace++, a novel, fast, and robust LiDAR global localization method for unmanned ground vehicles. It uses lightweight convolutional neural networks (CNNs) on Bird's Eye View (BEV) image-like representations of…

Robotics · Computer Science 2025-06-26 Lun Luo , Si-Yuan Cao , Xiaorui Li , Jintao Xu , Rui Ai , Zhu Yu , Xieyuanli Chen

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

We propose a real-time RGB-based pipeline for object detection and 6D pose estimation. Our novel 3D orientation estimation is based on a variant of the Denoising Autoencoder that is trained on simulated views of a 3D model using Domain…

Computer Vision and Pattern Recognition · Computer Science 2019-07-18 Martin Sundermeyer , Zoltan-Csaba Marton , Maximilian Durner , Manuel Brucker , Rudolph Triebel

This paper presents a novel technique to correct for bias in a classical estimator using a learning approach. We apply a learned bias correction to a lidar-only motion estimation pipeline. Our technique trains a Gaussian process (GP)…

Robotics · Computer Science 2018-08-28 Tim Y. Tang , David J. Yoon , François Pomerleau , Timothy D. Barfoot

This paper presents a radar odometry method that combines probabilistic trajectory estimation and deep learned features without needing groundtruth pose information. The feature network is trained unsupervised, using only the on-board radar…

Robotics · Computer Science 2021-07-02 Keenan Burnett , David J. Yoon , Angela P. Schoellig , Timothy D. Barfoot

Head pose estimation is a crucial problem for many tasks, such as driver attention, fatigue detection, and human behaviour analysis. It is well known that neural networks are better at handling classification problems than regression…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Zhongxu Hu , Yang Xing , Chen Lv , Peng Hang , Jie Liu

Autonomous radar has been an integral part of advanced driver assistance systems due to its robustness to adverse weather and various lighting conditions. Conventional automotive radars use digital signal processing (DSP) algorithms to…

Computer Vision and Pattern Recognition · Computer Science 2020-04-21 Xu Dong , Pengluo Wang , Pengyue Zhang , Langechuan Liu

Distributed inference/estimation in Bayesian framework in the context of sensor networks has recently received much attention due to its broad applicability. The variational Bayesian (VB) algorithm is a technique for approximating…

Machine Learning · Statistics 2020-11-30 Junhao Hua , Chunguang Li

An algorithm to estimate motion from satellite imagery is presented. Dense displacement fields are computed from time-separated images of of significant convective activity using a Bayesian formulation of the motion estimation problem.…

Atmospheric and Oceanic Physics · Physics 2007-05-23 Sai Ravela , Virat Chatdarong

This study uses a deep learning approach to forecast ozone concentrations over Seoul, South Korea for 2017. We employ a deep convolutional neural network (CNN). We apply this method to predict the hourly ozone concentration on each day for…

Atmospheric and Oceanic Physics · Physics 2019-02-01 Ebrahim Eslami , Yunsoo Choi , Yannic Lops , Alqamah Sayeed

The measurement of Doppler velocities in spectroscopic solar observations requires a reference for the local frame of rest. The rotational and radial velocities of the Earth and the rotation of the Sun introduce velocity offsets in the…

Solar and Stellar Astrophysics · Physics 2015-05-27 Jaime de la Cruz Rodríguez , Dan Kiselman , Mats Carlsson

This work presents two novel solvers for estimating the relative poses among views with known vertical directions. The vertical directions of camera views can be easily obtained using inertial measurement units (IMUs) which have been widely…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Tao Li , Zhenbao Yu , Banglei Guan , Jianli Han , Weimin Lv , Friedrich Fraundorfer

The paper presents a direct visual-inertial odometry system. In particular, a tightly coupled nonlinear optimization based method is proposed by integrating the recent advances in direct dense tracking and Inertial Measurement Unit (IMU)…

Robotics · Computer Science 2019-10-08 Wenju Xu , Dongkyu Choi , Guanghui Wang

Obstacle avoidance from monocular images is a challenging problem for robots. Though multi-view structure-from-motion could build 3D maps, it is not robust in textureless environments. Some learning based methods exploit human demonstration…

Robotics · Computer Science 2017-05-01 Shichao Yang , Sandeep Konam , Chen Ma , Stephanie Rosenthal , Manuela Veloso , Sebastian Scherer

This paper focuses on the challenge of driver safety on the road and presents a novel system for driver drowsiness detection. In this system, to detect the falling sleep state of the driver as the sign of drowsiness, Convolutional Neural…

Image and Video Processing · Electrical Eng. & Systems 2021-05-31 Maryam Hashemi , Alireza Mirrashid , Aliasghar Beheshti Shirazi

Pedestrian detection is an important component for safety of autonomous vehicles, as well as for traffic and street surveillance. There are extensive benchmarks on this topic and it has been shown to be a challenging problem when applied on…

Computer Vision and Pattern Recognition · Computer Science 2017-10-18 Damien Matti , Hazım Kemal Ekenel , Jean-Philippe Thiran

Navigation and mobility are some of the major problems faced by visually impaired people in their daily lives. Advances in computer vision led to the proposal of some navigation systems. However, most of them require expensive and/or heavy…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Fabricio Breve , Carlos Norberto Fischer

Blind image denoising is an important yet very challenging problem in computer vision due to the complicated acquisition process of real images. In this work we propose a new variational inference method, which integrates both noise…

Computer Vision and Pattern Recognition · Computer Science 2023-09-04 Zongsheng Yue , Hongwei Yong , Qian Zhao , Lei Zhang , Deyu Meng