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Setting of the Operating Conditions of Stereo CCTV Cameras by Weather Condition
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 Title & Authors
Setting of the Operating Conditions of Stereo CCTV Cameras by Weather Condition
Moon, Kwang; Pyeon, Mu Wook; Lee, Soo Bong; Lee, Do Rim;
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 Abstract
A wide variety of image application methods, such as aerial image, terrestrial image, terrestrial laser, and stereo image point are currently under investigation to develop three-dimensional 3D geospatial information. In this study, matching points, which are needed to build a 3D model, were examined under diverse weather conditions by analyzing the stereo images recorded by closed circuit television (CCTV) cameras installed in the U-City. The tests on illuminance and precipitation conditions showed that the changes in the number of matching points were very sensitively correlated with the changes in the illuminance levels. Based on the performances of the CCTV cameras used in the test, this study was able to identify the optimal values of the shutter speed and iris. As a result, compared to an automatic control mode, improved matching points may be obtained for images filmed using the data obtained through this test in relation to different weather and illuminance conditions.
 Keywords
Stereo CCTV;Matching Points;SIFT;Illuminance;Camera Setting;
 Language
English
 Cited by
1.
실내·외 조도에 따른 스테레오 CCTV 영상 정합점 수 변화,문광일;편무욱;김종화;김강산;

한국지형공간정보학회지, 2015. vol.23. 1, pp.129-135 crossref(new window)
1.
Changes in the Number of Matching Points in CCTV's Stereo Images by Indoor/Outdoor Illuminance, Journal of Korean Society for Geospatial Information System, 2015, 23, 1, 129  crossref(new windwow)
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