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Graphics Processing Units provide a large computational power at a very low price which position them as an ubiquitous accelerator. GPGPU is accelerating general purpose computations using GPU's. GPU's have been used to accelerate many Linear Algebra routines and Numerical Methods. Lanczos is an iterative method well suited for finding the extreme eigenvalues and the corresponding eigenvectors of...
Coupling the level set method and graph cut optimization method in a complementary fashion demonstrates a superior performance in two-class segmentation problems. The basic idea is to first define an energy function according to curve evolution using Level Set method and then construct a similarity graph with well selected edge weights based on the boundary curvature values, which is further optimized...
A novel thresholding algorithm is presented in this paper to improve image segmentation performance at a low computational cost. The proposed algorithm uses a normalized graph-cut measure as thresholding principle to distinguish an object from the background. The weight matrices used in evaluating the graph cuts are based on the gray levels of the image, rather than the commonly used image pixels...
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