Results 71 to 80 of about 15,510 (221)
An Improved Visual Odometer Based on Lucas-Kanade Optical Flow and ORB Feature
IEEE Access, 2023 Visual odometer is an important part of SLAM system. Visual odometer based on feature points is the current mainstream. Featured based method completes the positioning by extracting feature points and matching descriptors.
Lingjun Zhong +3 more
doaj +1 more source
Ammonia Observations Over Large North American Cities
Journal of Geophysical Research: Atmospheres, Volume 130, Issue 23, 16 December 2025.Abstract Ammonia (NH3) contributes to fine particle formation and nitrogen deposition. Observations of NH3 are limited compared to other major anthropogenic pollutants. Here, we explore the relationships between NH3 and other urban pollutants using measurements collected from the NASA DC‐8 aircraft during the Atmospheric Emissions and Reactions ...
Emily R. Lill +21 more
wiley +1 more source
Gong-kuang zidonghua, 2019 In order to solve problems of difficult positioning and low precision in positioning method of underground mobile robots, a positioning method of underground robot based on strapdown inertial navigation and odometer was proposed.
MA Hongwei +3 more
doaj +1 more source
Position and Attitude Estimation Method Integrating Visual Odometer and GPS
Sensors, 2020 The monocular visual odometer is widely used in the navigation of robots and vehicles, but it has defects of the unknown scale of the estimated trajectory.
Yu Yang +5 more
doaj +1 more source
A simple dead-reckoning navigational system [PDF]
, 1972 Simple navigation system is designed for vehicles operating in remote locations where it is not feasible to transport extensive equipment. System consists of four main components: directional gyrocompass to establish inertial direction; odometer to ...
Broussard, P., Jr. +2 more
core +1 more source
$\mathbb{Z}^{d}$-odometers and cohomology
Groups, Geometry, and Dynamics, 2019 Cohomology for actions of free abelian groups on the Cantor set has (when endowed with an order structure) provided a complete invariant for orbit equivalence. In this paper, we study a particular class of actions of such groups called odometers (or profinite actions) and investigate their cohomology.
Giordano, Thierry +2 more
openaire +1 more source
Assessing tree root distributions using ground‐penetrating radar and machine learning algorithms
Agrosystems, Geosciences &Environment, Volume 8, Issue 4, December 2025.Abstract Tree cultivation provides food, raw materials, carbon sequestration, and many other ecosystem services. Developing innovative approaches for tree analysis to help optimize their management is crucial. Cherry trees provide numerous health and economic benefits, with Michigan home to 75% of the cherry trees grown in the United States.
John Salako +3 more
wiley +1 more source
Competition With Limited Attention to Quality Differences
The Journal of Industrial Economics, Volume 73, Issue 4, Page 620-636, December 2025.ABSTRACT I analyze the implication of consumers' limited attention to quality differences on market outcomes and welfare. I model this limited attention with a perception threshold, that is, consumers only perceive quality differences between goods that exceed their perception threshold.
Stefanie Y. Schmitt
wiley +1 more source
Train Speed Measurement Approach Based on Wheel-axle Creep Rate Detection
Chengshi guidao jiaotong yanjiuObjective In urban rail transit systems, train velocity measuring and positioning technology offers critical information to many applications such as train autonomous driving, collision avoidance, dispatching and directing.
Minjie ZHAO +4 more
doaj +1 more source
The Design and Implementation of an Inertial GNSS Odometer Integrated Navigation System Based on a Federated Kalman Filter for High-Speed Railway Track Inspection [PDF]
, 2021 Xinchun Zhang, Ximin Cui, Bo Huang
openalex +1 more source