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Locally adapted hierarchical basis preconditioning
2006
ACM Transactions on Graphics
This paper develops locally adapted hierarchical basis functions for effectively preconditioning large optimization problems that arise in computer vision, computer graphics, and computational photography applications such as surface interpolation, optic flow, tone mapping, gradient-domain blending, and colorization. By looking at the local structure of the coefficient matrix and performing a recursive set of variable eliminations, combined with a simplification of the resulting coarse level
doi:10.1145/1141911.1142005
fatcat:y36p64vx5rc6lmmynnk3rwjbzi