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Comparison of detection rates Area sensors and 3D spatial division multiple sensors for detecting obstacles in the screen door
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 Title & Authors
Comparison of detection rates Area sensors and 3D spatial division multiple sensors for detecting obstacles in the screen door
Yoo, Bong-Seok; Lee, Hyun-Su; Jin, Ju-Hyun; Kim, Jong-Sik;
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 Abstract
A subway platform is equipped with screen doors in oder to avoid accidents of passengers, where Area sensors are installed for detecting obstacles in the screen doors. However, there exist frequent operating errors in screen doors due to dusts, sunlight, snow, and bugs. It is required to develope a detection device which reduces errors and elaborates detection function. In this paper, we compared the detection rates of the Area sensor the 3D sensor using CCTV-based image data with installing sensors at the screen door in Munyang station Daegu, where 3D sensor is applied with the space division multiple detection algorithms. It is measured that the detection rate of 3D sensor and Area sensor is approximately 89.61% and 78.88%, respectively. The results confirmed that 3D senor has higher detection rate compared with Area sensor with the rate of 6.87~9.79%, and 3D sensor has benefit in the aspect of installation fee.
 Keywords
3D Sensor;RPSD;PSD;
 Language
Korean
 Cited by
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