1. Visual learning from multiple views;Underwood;I.E.E.E. Trans. on Comp.,1975
2. Understanding line-drawings of scenes with shadows;Waltz,1975
3. Some experiments in scene analysis and scene regeneration using COMPAX;Reddy;Computer Graphics and Image Processing,1972
4. Analyzing intensity arrays using knowledge about outdoor scenes;Shirai,1975
5. Locating straightline segments in outdoor scenes;Dudani,1977