Obtaining surface orientation from texels under perspective projection

摘要: A new method to obtain surface orientation of textural plane under perspective projection is described. Firstly, we derive a 2-D Affine transformation which approximates the distortion texel patterns projection. Then present vanishing line from area texels in picture. It can point an arbitrary pair texels; when n exist, C2, points be obtained. An algorithm solve matrix between two also presented. reinforces applicable texture constituted more than kinds patterns. Experiments are performed by using artificially generated textures.