- CCTV with blue sky background, surveillance camera system for se.
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Kyoungah Choi and Impyeong Lee collaborated to perform the study presented in this paper. Kyoungah Choi and Impyeong Lee defined the concepts and derived the mathematical formula related to the concepts.
CCTV with blue sky background, surveillance camera system for se.
Kyoungah Choi performed the experiments and analyzed the results. Kyoungah Choi wrote the paper. Impyeong Lee revised the manuscript.
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All authors read and approved the manuscript. National Center for Biotechnology Information , U. Journal List Sensors Basel v. Sensors Basel. Author information Article notes Copyright and License information Disclaimer. Abstract We propose a novel approach to evaluating how effectively a closed circuit television CCTV system can monitor a targeted area.
Keywords: closed circuit television CCTV , surveillance performance, surveillance coverage, surveillance resolution.
Backe backe Kuchen by Klaus Müller
Open in a separate window. Figure 1. Surveillance Resolution and Coverage Index The following four types of resolutions are used to define the quality of an image: geometric, radiometric, spectral, and temporal. Figure 2. Coverage Evaluation Procedure By applying the surveillance resolution and coverage index described in Section 2.
Figure 3. Application Example and Analysis 3. Experimental Data The underground parking lots of buildings such as apartments are the places where CCTV systems are encountered in daily life. Figure 4. Evaluation Results and Analysis 3. Figure 8.
Figure 9. Areal Analysis The suggested methodology incorporates the geometric properties and movement trend of an object to allow for a detailed evaluation of the surveillance coverage in a 3D space; for example, the red rectangular area in Figure 4 represents the entrance from a parking lot into a building, such as an escalator or elevator, where more careful monitoring is required. Figure Path Analysis The red line in Figure 4 represents the moving paths for vehicles in the parking lot, where careful surveillance is required. Conclusions Although the efficient design and installation of CCTV systems is recognized as important, there is a lack of comprehensive indicators, which are useful to understand quantitatively how well a CCTV system covers a target area while satisfying specific surveillance requirements.
Author Contributions Kyoungah Choi and Impyeong Lee collaborated to perform the study presented in this paper. Conflicts of Interest The authors declare no conflict of interest. CCTV surveillance systems in town and city centre management. Smithsimon M. Private lives, public spaces: The Surveillance State. Smith G. Yesil B. Watching ourselves: Video surveillance, urban space, and self-responsibilization.
Seo T. This information can reduce storage requirements by only recording events of potential interest and make it easier to find events on the hard drive. We can also provide alarm outputs that can send text messages, integrate with an intrusion alarm systems, and call up the event on a screen. Having the capabilities for motion activated recording and email notification of events can assist in faster response to an event while conserving recording space.
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