Summary: Ligature Instabilities
in the Perceptual Organization of Shape
Jonas August
Yale University
Department of Electrical Engineering
Kaleem Siddiqi
McGill University
School of Computer Science
Steven W. Zucker 1
Yale University
Department of Computer Science
June 18, 1999
1 Please send all correspondence to: Steven W. Zucker / Yale University / P.O. Box 208285,
Yale Station / New Haven, CT 06520­8285 / Phone: (203)432­6434, FAX: (203)432­0593, E­
Mail: steven.zucker@yale.edu

Abstract
Although the classical Blum skeleton has long been considered unstable, many have attempted
to alleviate this defect through pruning. Unfortunately, these methods have an arbitrary
basis, and, more importantly, they do not prevent internal structural alterations due to slight

Source: August, Jonas - Robotics Institute, School of Computer Science, Carnegie Mellon University
Zucker, Steven W. - Departments of Computer Science & Electrical Engineering, Yale University

Collections: Chemistry; Computer Technologies and Information Sciences; Engineering