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- W2138221316 abstract "For this study, an algorithm was developed to determine concentration of particles less than 10&mgr;m (PM10) from still images captured by a CCTV camera on the Penang Bridge. The objective of this study is to remotely monitor the PM10 concentrations on the Penang Bridge through the internet. So, an algorithm was developed based on the relationship between the atmospheric reflectance and the corresponding air quality. By doing this, the still images were separated into three bands namely red, green and blue and their digital number values were determined. A special transformation was then performed to the data. Ground PM10 measurements were taken by using DustTrak<sup>TM</sup> meter. The algorithm was calibrated using a regression analysis. The proposed algorithm produced a high correlation coefficient (R) and low root-mean-square error (RMS) between the measured and produced PM10. Later, a program was written by using Microsoft Visual Basic 6.0 to download still images from the camera over the internet and implement the newly developed algorithm. Meanwhile, the program is running in real time and the public will know the air pollution index from time to time. This indicates that the technique using the CCTV camera images can provide a useful tool for air quality studies." @default.
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- W2138221316 date "2007-04-27" @default.
- W2138221316 modified "2023-09-23" @default.
- W2138221316 title "Real-time PM10 concentration monitoring on Penang Bridge by using traffic monitoring CCTV" @default.
- W2138221316 doi "https://doi.org/10.1117/12.719055" @default.
- W2138221316 hasPublicationYear "2007" @default.
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