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Field Application of Global Positioning System01:28

Field Application of Global Positioning System

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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...
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Types of Global Positioning System Surveys01:30

Types of Global Positioning System Surveys

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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...
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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

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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...
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Introduction to Global Positioning System01:30

Introduction to Global Positioning System

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The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense  for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
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GIS Software, Hardware, and Sources of GIS Data01:23

GIS Software, Hardware, and Sources of GIS Data

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A Geographic Information System (GIS) combines specialized software and hardware to effectively manage, analyze, and present spatial and related data. GIS software includes critical functionalities such as a user interface for easy navigation, database management tools for handling spatial and attribute data, and data retrieval features for efficient access. Analytical tools transform raw data into insights, while display functions produce maps and reports in various formats for effective...
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Distance Measurements by Taping01:18

Distance Measurements by Taping

86
Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
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Related Experiment Video

Updated: Aug 23, 2025

Three-dimensional Super Resolution Microscopy of F-actin Filaments by Interferometric PhotoActivated Localization Microscopy iPALM
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Towards Interpretable Camera and LiDAR Data Fusion for Autonomous Ground Vehicles Localisation.

Haileleol Tibebu1, Varuna De-Silva1, Corentin Artaud1

  • 1Institute of Digital Technologies, Loughborough University London, 3 Lesney Avenue, London E20 3BS, UK.

Sensors (Basel, Switzerland)
|October 27, 2022
PubMed
Summary
This summary is machine-generated.

Deep learning enhances ego-motion estimation using fused camera and LiDAR data. A novel architecture and multimodal dataset (LboroAV2) achieve superior odometry results.

Keywords:
LiDAR noise reductionglass detectionlocalisationoccupancy grid mapping

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Area of Science:

  • Robotics
  • Computer Vision
  • Artificial Intelligence

Background:

  • Deep learning methods show promise for ego-motion estimation, outperforming traditional geometric approaches.
  • Existing research is limited by a lack of multimodal datasets, often focusing on single-sensor data.
  • Accurate ego-motion estimation is crucial for autonomous navigation and robotics.

Purpose of the Study:

  • To address the need for multimodal data in ego-motion estimation.
  • To propose and evaluate an end-to-end deep learning architecture for sensor fusion in odometry.
  • To introduce the LboroAV2 multimodal dataset for autonomous vehicle research.

Main Methods:

  • Collected a novel multimodal dataset (LboroAV2) with camera, LiDAR, ultrasound, e-compass, and rotary encoder.
  • Developed an end-to-end deep learning architecture combining a convolutional encoder and a recurrent neural network.
  • Fused RGB images and LiDAR data for ego-motion estimation within the proposed network.

Main Results:

  • The proposed deep learning architecture successfully fuses multimodal sensor data for odometry.
  • The convolutional encoder generates a compressed representation aiding visualization and sequential information transfer.
  • Experiments on LboroAV2 and KITTI datasets demonstrate superior performance compared to existing methods.

Conclusions:

  • The developed deep learning approach offers a significant advancement in ego-motion estimation through multimodal sensor fusion.
  • The LboroAV2 dataset provides a valuable resource for future research in autonomous vehicle perception.
  • The open-source release of the code facilitates reproducibility and further development in the field.