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A Variational Approach to Shape-from-shading Under Natural Illumination (1709.10354v2)
Published 29 Sep 2017 in cs.CV
Abstract: A numerical solution to shape-from-shading under natural illumination is presented. It builds upon an augmented Lagrangian approach for solving a generic PDE-based shape-from-shading model which handles directional or spherical harmonic lighting, orthographic or perspective projection, and greylevel or multi-channel images. Real-world applications to shading-aware depth map denoising, refinement and completion are presented.