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• W3008254488 abstract "Seeded segmentation methods have gained a lot of attention due to their good performance in fragmenting complex images, easy usability and synergism with graph-based representations. These methods usually rely on sophisticated computational tools whose performance strongly depends on how good the training data reflect a sought image pattern. Moreover, poor adherence to the image contours, lack of unique solution, and high computational cost are other common issues present in most seeded segmentation methods. In this work we introduce Laplacian Coordinates, a quadratic energy minimization framework that tackles the issues above in an effective and mathematically sound manner. The proposed formulation builds upon graph Laplacian operators, quadratic energy functions, and fast minimization schemes to produce highly accurate segmentations. Moreover, the presented energy functions are not prone to local minima, i.e., the solution is guaranteed to be globally optimal, a trait not present in most image segmentation methods. Another key property is that the minimization procedure leads to a constrained sparse linear system of equations, enabling the segmentation of high-resolution images at interactive rates. The effectiveness of Laplacian Coordinates is attested by a comprehensive set of comparisons involving nine state-of-the-art methods and several benchmarks extensively used in the image segmentation literature." @default.
• W3008254488 created "2020-03-06" @default.
• W3008254488 creator A5011424640 @default.
• W3008254488 creator A5044664277 @default.
• W3008254488 creator A5059881766 @default.
• W3008254488 creator A5077785532 @default.
• W3008254488 creator A5084203791 @default.
• W3008254488 date "2021-08-01" @default.
• W3008254488 modified "2023-10-03" @default.
• W3008254488 title "Laplacian Coordinates: Theory and Methods for Seeded Image Segmentation" @default.
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