A Visual Simulation of Effectiveness of Security Cameras(INTERNATIONAL Workshop on Advanced Image Technology 2008)

概要

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This paper proposes calculation and visual representation, which evaluate and show effectiveness of security cameras and guards. Nowadays there are many security cameras and guards in order to keep our safe and secure lives. However, their over-installation causes increase in cost as well as invasion of privacy, whereas under-installation may cause unsafe and insecure situation. Therefore, evaluation of their effectiveness, how clearly and where they can watch, is important to determine adequate level of installation. In this paper, the visibility is calculated and visually represented for a small area within a field of view of a camera. The visibility for each small area is represented as a colored ball in order to make us easily understand the situation. In addition, the proposed system allows us to set interactively parameters of the camera such as position, direction view angle and focus on the system. These features are useful for us to understand influence of these parameters settings visually. The proposed system is applicable to a priori evaluation of cameras/guards setting in an indoor/outdoor space such as an art museum and a shopping mall.
社団法人電子情報通信学会の論文
2007-12-31