Matthew Harker, Paul O Leary. Least squares surface reconstruction from gradients: Direct algebraic methods with spectral, Tikhonov, and constrained regularization. In The 24th IEEE Conference on Computer Vision and Pattern Recognition, CVPR 2011, Colorado Springs, CO, USA, 20-25 June 2011. pages 2529-2536, IEEE, 2011. [doi]
Abstract is missing.