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Filters evaluation for detection of contours in satellite images for cadaster purposes

Abstract:

The contour detection has an important role in image processing, especially in the detection and the extraction physical features, those which are useful to their enforcement in the analysis of cadasters. A new methodology is shown for processing satellite images using spatial filters. The contour of satellite images are obtained and compared with conventional processing filters. The results were obtained with the filters Sobel, Prewitt, Roberts, Canny, and LoG for processing satellite images and they were evaluated using Structural Similarity Index (SSIM) for measuring image quality.