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In this paper, we propose the application of the L-curve and curvature to the super resolution image restoration problem. L-curve criterion is used to estimate regularization parameters. However, the computational of the L-curve is quiet costly for large size problems. The Lanczos algorithm and Gauss quadrature are used to reduce the computational cost. But the many iterations of Lancros algorithm...
This paper presents a new method to segment thin tree structures, which are for example present in microglia extensions and cardiac or cerebral blood vessels. The minimal path method allows the segmentation of tubular structures between two points chosen by the user. A feature potential function is defined on the image domain. This corresponds to geodesic paths relatively to the metric weighted by...
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