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The construction of a high-resolution visual monitoring for hazard analysis |
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| Authors: | Chi-Wei Lin Yi-Ping Hung Wen-Ko Hsu Wei-Ling Chiang Cheng-Wu Chen |
| Institution: | 1. Department of Computer Science and Information Engineering, National Taiwan University, Taipei, Taiwan, ROC 5. Department of Civil Engineering, National Central University, Jhung-li, Taoyuan, Taiwan, ROC 2. Graduate Institute of Networking and Multimedia, National Taiwan University, Taipei, Taiwan, ROC 4. Research Center for Hazard Mitigation and Prevention, National Central University, Jhung-li, Taoyuan, Taiwan, ROC 3. Institute of Maritime Information and Technology, National Kaohsiung Marine University, Kaohsiung, Taiwan, ROC |
| 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. |
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