@article {11952, title = {Effects of Errors in the Viewing Geometry on Shape Estimation* 1,* 2}, journal = {Computer Vision and Image Understanding}, volume = {71}, year = {1998}, month = {1998///}, pages = {356 - 372}, author = {Cheong, L. F and Ferm{\"u}ller, Cornelia and Aloimonos, J.} }