Theoretical Analysis of Finite Difference Algorithms for Linear Shape from Shading. - Tiangong Wei; Reinhard Klette (CAIP, 2001)

A Wavelet-Based Algorithm for Height from Gradients. - Tiangong Wei; Reinhard Klette (RobVis, 2001)

Height from Gradient Using Surface Curvature and Area Constraints. - Tiangong Wei; Reinhard Klette (ICVGIP, 2002)

Depth Recovery from Noisy Gradient Vector Fields Using Regularization. - Tiangong Wei; Reinhard Klette (CAIP, 2003)

Fourier transform based methods for height from gradients. - Tiangong Wei; Reinhard Klette (ICARCV, 2004)