Catalogue of Artificial Intelligence Techniques
Keywords: concave lines, convex lines, occluding lines
Author(s): Aaron Sloman
Huffmann and Clowes conceptualised the task of interpreting straight line drawings in terms of attaching labels like `concave', `convex', `occluding' to lines, interpreted as depicting object edges. See Junction Dictionary and Relaxation Labelling.
- Clowes, M.B., On seeing things Artificial Intelligence 2 (1971), 79--116.