The construction of a high-resolution visual monitoring for hazard analysis

Chi Wei Lin, Yi Ping Hung, Wen Ko Hsu, Wei Ling Chiang, Cheng Wu Chen

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

High rates of urbanization, environmental degradation, and industrial development in disaster-prone areas have all served to increase the extent of damage following catastrophes. In this paper, we present a novel framework for exploiting multi-resolution dual cameras, including a wide-angle camera and a speed dome camera, to construct a wide-angle, multi-layered, high-resolution visual monitoring system for hazard assessment. Our two-part camera system requires calibration of the correspondence between the detailed and overview image captured by the speed dome camera and wide-angle fixed camera, respectively. In-factory calibration is carried out using white-black patterns for speed dome turning and multi-layered calibration. The results are displayed as wide-angle, multi-layered, high-resolution images which are built up by the speed dome camera.

Original languageEnglish
Pages (from-to)1285-1292
Number of pages8
JournalNatural Hazards
Volume65
Issue number3
DOIs
StatePublished - Jan 2013

Keywords

  • Environmental monitoring
  • Hazard assessment
  • Visual monitoring

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