Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device01:30

Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device

267
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
267
Field Application of Global Positioning System01:28

Field Application of Global Positioning System

195
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
195
Errors in Global Positioning System01:26

Errors in Global Positioning System

222
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
222
Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

199
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
199
Coordinates and Map Projections01:29

Coordinates and Map Projections

351
Coordinates and map projections are essential tools in accurately representing the Earth's surface for various applications, ranging from navigation to spatial analysis. The latitude and longitude coordinate system is a universally recognized framework for defining locations. Latitude specifies the distance of a point north or south of the equator, measured in degrees from 0° at the equator to 90° at the poles. Longitude indicates a location's position east or west of the prime meridian,...
351
Manipulation and Analysis01:21

Manipulation and Analysis

189
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
189

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Hierarchical helical carbon nanotube fibre as a bone-integrating anterior cruciate ligament replacement.

Nature nanotechnology·2023
Same author

Epidemiological and clinical features of hypertrophic scar and keloid in Chinese college students: A university-based cross-sectional survey.

Heliyon·2023
Same author

Five new terpenoids from Viburnum odoratissimum var. sessiliflorum.

Chinese journal of natural medicines·2023
Same author

Characterization of a Riboflavin-Producing Mutant of <i>Bacillus subtilis</i> Isolated by Droplet-Based Microfluidics Screening.

Microorganisms·2023
Same author

Neuroprotection of SRT2104 in Murine Ischemia/Reperfusion Injury Through the Enhancement of Sirt1-Mediated Deacetylation.

Investigative ophthalmology & visual science·2023
Same author

SIRT6 ameliorates LPS-induced apoptosis and tight junction injury in ARDS through the ERK1/2 pathway and autophagy.

International journal of medical sciences·2023

Related Experiment Video

Updated: Nov 28, 2025

Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function
06:17

Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function

Published on: January 26, 2024

2.4K

Effect Evaluation of Spatial Characteristics on Map Matching-Based Indoor Positioning.

Shuaiwei Luo1,2, Fuqiang Gu3, Fan Xu1

  • 1School of Geography and Information Engineering, China University of Geosciences, Wuhan 430078, China.

Sensors (Basel, Switzerland)
|November 26, 2020
PubMed
Summary

This study reveals how road geometry impacts positioning accuracy. Corners and narrow corridors improve accuracy, while forks and open spaces decrease it, aiding algorithm selection.

Keywords:
geometrichidden Markov modelindoor positioningmap matchingparticle filteringspatial information

More Related Videos

Orienteering as a Tool for Cognitive Research: An Implementation Guide
07:13

Orienteering as a Tool for Cognitive Research: An Implementation Guide

Published on: November 29, 2024

1.2K
Evaluating Usability Aspects of a Mixed Reality Solution for Immersive Analytics in Industry 4.0 Scenarios
06:02

Evaluating Usability Aspects of a Mixed Reality Solution for Immersive Analytics in Industry 4.0 Scenarios

Published on: October 6, 2020

2.5K

Related Experiment Videos

Last Updated: Nov 28, 2025

Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function
06:17

Author Spotlight: Investigating the Effects of Mind-Body-Movement Practices on Brain Function

Published on: January 26, 2024

2.4K
Orienteering as a Tool for Cognitive Research: An Implementation Guide
07:13

Orienteering as a Tool for Cognitive Research: An Implementation Guide

Published on: November 29, 2024

1.2K
Evaluating Usability Aspects of a Mixed Reality Solution for Immersive Analytics in Industry 4.0 Scenarios
06:02

Evaluating Usability Aspects of a Mixed Reality Solution for Immersive Analytics in Industry 4.0 Scenarios

Published on: October 6, 2020

2.5K

Area of Science:

  • Geomatics Engineering
  • Spatial Analysis
  • Navigation Systems

Background:

  • Map-matching algorithms enhance positioning accuracy using spatial data.
  • Existing research often examines single algorithms or limited spatial structures.
  • Understanding spatial characteristics' influence on map-matching is crucial for improving navigation.

Purpose of the Study:

  • To investigate the impact of four key spatial characteristics (forks, open spaces, corners, narrow corridors) on three popular map-matching methods.
  • To provide theoretical analysis and experimental evaluation of these effects.
  • To guide the selection of appropriate map-matching algorithms based on road environments.

Main Methods:

  • Theoretical analysis of spatial characteristics' influence on map-matching performance.
  • Experimental evaluation of particle filtering (PF), hidden Markov model (HMM), and geometric methods.
  • Comparative assessment across four distinct spatial structures.

Main Results:

  • Corners and narrow corridors generally improve positioning accuracy.
  • Forks and open spaces tend to increase positioning errors.
  • Different map-matching methods exhibit varying sensitivities to spatial characteristics.

Conclusions:

  • Spatial characteristics significantly affect map-matching performance.
  • Algorithm selection should consider the specific road geometry for optimal results.
  • Findings offer practical guidance for researchers and developers in navigation technology.