Make your own free website on

"We can only see a short distance ahead, but we can see
plenty there that needs to be done."

Alan Turing --From his paper on the Turing test
"Computer Machinery and Intelligence", 1950 [106].


The following publications have been used as the material source for this project:

1.  Kokichi Sugihara, Realizability of Polyhedrons from Line Drawings, Computational Morphology edited by G. T. Toussaint, Elsevier Science Publishers B.V.(North-Holland), 1988
2.  Kokichi Sugihara, A Necessary and Sufficient Condition for a Picture to Represent a Polyhedral Scene, IEEE Transaction on Pattern Analysis and Machine Intelligence, Vol. PAMI-6, NO.5, September 1984
3.  Kokichi Sugihara, Machine Interpretation of Line Drawings, The MIT Press, 1986
4.  Richard O. Duda and Peter E. Hart, Pattern Classification and Scene Analysis
5.  Lluis Ros i Giralt, A Kinematic-Geometric Approach to Spatial Interpretation of Line Drawings, Ph.D Thesis
6.  W. Whiteley, From a line drawing to a polyhedron, Journal of Mathematical Psychology 31 (1987), 441-448

  We will keep going ......

Any comment or question is welcome.