Generating Semantic Descriptions From Drawings of Scenes With Shadows
Generating Semantic Descriptions From Drawings of Scenes With Shadows
A freehand sketching interface for progressive construction of 3D objects
Computers and Graphics
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A computer program that achieves the interpretation of line drawings as polyhedral scenes without using specific object prototypes is described. The method is primarily based on general coherence rules that the orientations of the surfaces and edges must satisfy, thereby dispensing with predetermined interpretations of particular categories of picture junctions as corners. The paper also comments on the relationship of this program to four other scene analysis programs.