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Computer Analysis of Visual Properties of Curved Objects
(1971-05-01)
A method is presented for the visual analysis of objects by computer. It is particularly well suited for opaque objects with smoothly curved surfaces. The method extracts information about the object's surface properties, ...
Shadows and Cracks
(MIT Artificial Intelligence Laboratory, 1971-06)
The VIRGIN program will interpret pictures of crack and shadow free scenes by labelling them according to the Clowes/Huffman formalism. This paper indicates methods of extending the program to include cracks and shadows ...