Representation of a curved boundary

Yonghoon Kim, Jung H. Kim, Eui H. Park, Kwang Sohn

Research output: Chapter in Book/Report/Conference proceedingConference contribution


A method of representing a boundary curve is presented in this paper. The proposed method first partitions a boundary into segments by curvature zerocrossings. Inflection points on the boundary are extracted as curvature zero-crossings using the convexity/concavity of points with respect to their neighbor points. Each segment is then approximated by a parametric cubic polynomial, and the boundary curve is represented by semantic and relational characteristics of these segments. The method generates an unique description for a boundary under rotation, translation, scale change, and even under slight deformation.

Original languageEnglish
Title of host publicationProceedings - 23rd Southeastern Symposium on System Theory, SSST 1991
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages5
ISBN (Electronic)0818621907, 9780818621901
Publication statusPublished - 1991
Event23rd Southeastern Symposium on System Theory, SSST 1991 - Columbia, United States
Duration: 1991 Mar 101991 Mar 12

Publication series

NameProceedings - 23rd Southeastern Symposium on System Theory, SSST 1991


Conference23rd Southeastern Symposium on System Theory, SSST 1991
Country/TerritoryUnited States

Bibliographical note

Publisher Copyright:
© 1991 IEEE.

All Science Journal Classification (ASJC) codes

  • Computational Theory and Mathematics
  • Control and Systems Engineering


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