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Tracking Missing Person in Large Crowd Gathering Using Intelligent Video Surveillance.

Adnan Nadeem1, Muhammad Ashraf2, Nauman Qadeer3

  • 1Faculty of Computer and Information System, Islamic University of Madinah, Madinah 42351, Saudi Arabia.

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

This study introduces an intelligent system for tracking missing persons in crowded areas using face recognition in low-resolution videos. The mechanism effectively locates individuals in challenging, unconstrained environments, improving public safety.

Keywords:
Viola Jones cascades fusionfaces detectionfacial recognitionintelligent video surveillancelarge crowd gatheringmissing persons trackingspatio-temporal featuresunconstrained environment

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Area of Science:

  • Computer Vision
  • Artificial Intelligence
  • Public Safety

Background:

  • Locating missing persons in large crowds via video face recognition is difficult due to dynamic factors.
  • Existing solutions often require high-resolution images, limiting their applicability in real-world scenarios.

Purpose of the Study:

  • To develop an intelligent mechanism for tracking missing persons in unconstrained, large gathering scenarios.
  • To address the challenge of face recognition in low-resolution video footage.

Main Methods:

  • A four-phase approach: online reporting with spatio-temporal features, geo-fencing for search space reduction, enhanced face detection using fused algorithms (Viola Jones, LBP, CART, HAAR), and face recognition.
  • Utilized a dataset of 2208 low-resolution images from a large crowd gathering.

Main Results:

  • The proposed mechanism demonstrated good performance in tracking missing persons within a challenging, low-resolution, large-crowd environment.
  • The fusion of detection algorithms optimized face region localization.

Conclusions:

  • The intelligent tracking mechanism is effective for locating missing individuals in complex, unconstrained settings.
  • This system offers a viable solution for enhancing safety and security in large public gatherings.