Date of Award:
Master of Science (MS)
We present a method for extracting contours from digital images, using techniques from computational geometry. Our approach is different from traditional pixel-based methods in image processing. Instead of working directly with pixels, we extract a set of oriented feature points from the input digital images, then apply classical geometric techniques, such as clustering, linking, and simplification, to find contours among these points. Experiments on synthetic and natural images show that our method can effectively extract contours, even from images with considerable noise; moreover, the extracted contours have a very compact representation.
Tejada, Pedro J., "A Computational Geometry Approach to Digital Image Contour Extraction" (2009). All Graduate Theses and Dissertations. 422.
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