1. Computer Vision;Ballard,1982
2. Popeye: A gray-level vision system for robotics applications;Bracho,1983
3. Experience with several methods for the analysis of schematic diagrams;Bunke,1982
4. Automatic interpretation of lines and text in circuit diagrams;Bunke,1981
5. Automatic interpretation of hand drawn electrical schematics;Cederberg,1979