Regularized Reconstruction of a Surface from its Measured Gradient Field: Algorithms for Spectral, Tikhonov, Constrained, and Weighted Regularization - Harker, Matthew; O’Leary, Paul (Journal of mathematical imaging and vision, 2015)
Keywords: Applications of Mathematics; Computer Science; Image Processing and Computer Vision; Mathematical Methods in Physics; Signal,Image and Speech Processing; Inverse problems; Discrete orthogonal basis functions; Gradient field; Sylvester Equation; Boundary conditions; Weighted least squares; Tikhonov regularization; Spectral methods