Jakub Krzeslowski Robert Sitnik Grzegorz Maczkowski Novel calibration procedure for SVBRDF estimation of 3D objects using directional illumination and structured light projection. 86500G 2013 Three-Dimensional Image Processing (3DIP) and Applications https://doi.org/10.1117/12.2008454 conf/3dica/2013 db/conf/3dica/3dip2013.html#KrzeslowskiSM13