Abstract
To discover the potential risks and to issue a warning is cost-effective to prevent or reduce the loss of geologic hazards. Remote sense technology plays an important role in the development of monitoring methods. In this paper, a monitoring system based on quantitative analysis videos and images is presented. There are three phases. Firstly, layout the monitoring marks as a grid. Videos are captured in the second phase. After that, images are extracted from the video and image processing algorithms about edge detection and center detection chosen by comparing examinations then used to get the current coordinate of the marks. The displacement of each mark is collected by calculation, and then used to display and predicate the trend of deformation.
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