Outdoor Visual Localization: A Survey

Abstract

GPS-denied localization for the Soldier is paramount to military mission success. Sensors such as cameras and inertial measurement units are already ubiquitous in the aid of navigation. However, state estimation utilizing such sensors produces drift that currently must be squashed using absolute position measurements from unreliable GPS signals. To mitigate this uncertainty, we consider visual localization to provide an alternative global state estimate without the need for any current infrastructure. In this report, we investigate the current methodologies and capabilities, and review state-of-the-art approaches for visual localization and place recognition.

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Document Details

Document Type
Technical Report
Publication Date
Apr 13, 2020
Accession Number
AD1095751

Entities

People

  • E. J. Shamwell
  • Sarah Leung

Organizations

  • United States Army Combat Capabilities Development Command

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies
  • Human Systems
  • Materials and Manufacturing Processes
  • Sensors
  • Space

DTIC Thesaurus Topics

  • Accuracy
  • Artificial Intelligence Software
  • Climate Change
  • Computer Vision
  • Detection
  • Detectors
  • Dimensionality Reduction
  • Global Navigation Satellite Systems
  • Inertial Measurement Units
  • Information Science
  • Machine Learning
  • Measurement
  • Navigation
  • Pattern Recognition
  • Recognition
  • Simultaneous Localization And Mapping
  • Supervised Machine Learning

Readers

  • Inertial Navigation Systems.
  • Sensor Fusion and Tracking Systems.
  • Strategic Security Studies

Technology Areas

  • Space