Abstract
When we deploy the seismic line, the data received by seismometer will be affected by ground water bodies. Therefore, we need to extract water bodies by remote sensing image before deploy the seismic line. In this paper, an approach is proposed to extract water bodies. First, use Canny edge detector to extract the edges of the image. Second, based on three features of water body: gray-scale uniformity, edge irregularity and closed regions, this paper uses three means: dual-threshold judgment by gray-scale uniformity, edge irregularity verification based on least square method and closed region verification. During the extraction of water bodies in mountain regions which the topography was complicated, this approach proved to be fairly effective. And the deployment of seismic line was facilitated by this approach.
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