Computing the Aspect Graph for Line Drawings of Polyhedral Objects. - Ziv Gigus; Jitendra Malik (IEEE Trans. Pattern Anal. Mach. Intell., 1990)

Efficiently Computing and Representing Aspect Graphs of Polyhedral Objects. - Ziv Gigus; John F. Canny; Raimund Seidel (IEEE Trans. Pattern Anal. Mach. Intell., 1991)