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A real-time optical tracking and measurement processing system for flying targets.

Pengyu Guo1, Shaowen Ding1, Hongliang Zhang1

  • 1College of Aerospace Science and Engineering, National University of Defense Technology, Changsha 410073, China ; Hunan Provincial Key Laboratory of Image Measurement and Vision Navigation, National University of Defense Technology, Changsha 410073, China.

Thescientificworldjournal
|July 3, 2014
PubMed
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This study introduces a novel distributed system for optical tracking of flying targets, enabling real-time analysis of dynamic parameters and optical characteristics in aerospace tests.

Area of Science:

  • Aerospace Engineering
  • Computer Vision
  • Optical Measurement

Background:

  • Optical tracking of flying targets presents unique challenges due to high maneuverability and long ranges, differing significantly from controlled close-range photography.
  • Existing methods struggle with diverse target changes and extreme conditions inherent in observing dynamic aerial objects.

Purpose of the Study:

  • To design and implement a distributed image interpretation and measurement processing system for enhanced optical tracking of flying targets.
  • To develop a real-time interpretation method incorporating automatic foreground detection, online target tracking, and feature localization.
  • To evaluate the system's performance and efficiency in aerospace test applications.

Main Methods:

  • Designed and realized a distributed system for centralized resource management and multisite interpretation.

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  • Proposed a real-time interpretation method including automatic foreground detection and online target tracking.
  • Utilized adaptive estimation algorithm selection and human guidance for robust performance.
  • Conducted performance and efficiency evaluations using semisynthetic video data.

    • Main Results:

    • The developed distributed system enables centralized management and simultaneous interpretation from multiple sites.
    • The real-time interpretation method effectively performs automatic foreground detection, online target tracking, and feature location.
    • Experimental evaluation demonstrated the system's efficiency and performance in processing challenging optical tracking data.
    • The system proved capable of analyzing dynamic parameters, transient states, and optical physics characteristics of targets.

    Conclusions:

    • The implemented distributed system and real-time interpretation method provide a robust solution for optical tracking and measurement of flying targets.
    • This technology is applicable to aerospace tests, offering valuable insights into target dynamics and optical properties.
    • The system enhances security control in aerospace testing environments through precise target analysis.