Michael A. Penna Local and semi-local shape from shading for a single perspective image of a smooth object. [Citation Graph (0, 0)][DBLP] Computer Vision, Graphics, and Image Processing, 1989, v:46, n:3, pp:346-366 [Journal]
Michael A. Penna The Motion Analysis of Nonrigid Membranes. [Citation Graph (0, 0)][DBLP] Computer Vision and Image Understanding, 1999, v:75, n:3, pp:281-306 [Journal]
Michael A. Penna A Shape From Shading Analysis for a Single Perspective Image of a Polyhedron. [Citation Graph (0, 0)][DBLP] IEEE Trans. Pattern Anal. Mach. Intell., 1989, v:11, n:6, pp:545-554 [Journal]
Michael A. Penna Camera Calibration: A Quick and Easy Way to Determine the Scale Factor. [Citation Graph (0, 0)][DBLP] IEEE Trans. Pattern Anal. Mach. Intell., 1991, v:13, n:12, pp:1240-1245 [Journal]
Michael A. Penna Determining camera parameters from the perspective projection of a quadrilateral. [Citation Graph (0, 0)][DBLP] Pattern Recognition, 1991, v:24, n:6, pp:533-541 [Journal]