Animation techniques for chain-coded objects

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

Abstract

The animation of two-dimensional objects in a 2-D planar environment is discussed. The use of chain codes as a boundary representation for 2-D objects undergoing animation is shown to be practical for several typical transformations. Various methods for implementing the transformations are described. Quantized methods transform groups of chain code elements into other groups, while incremental methods construct the transformed chain code element by element. The low cost of quantized methods, which rely on table lookup and minimal arithmetic, are weighed against the increased accuracy offered by incremental methods, which maintain error indicators to ensure minimal differences between ideal and generated chain codes. Methods for scaling, rotation, and elastic deformation of objects based solely on chain code elements are discussed.

Original languageEnglish
Title of host publicationProc First 90 IEEE Conf Visualization Visualization 90
PublisherPubl by IEEE
Pages67-73
Number of pages7
ISBN (Print)0818620838
DOIs
Publication statusPublished - 1 Dec 1990
Externally publishedYes
EventProceedings of the First 1990 IEEE Conference on Visualization - Visualization '90 - San Francisco, CA, USA
Duration: 23 Oct 199026 Oct 1990

Publication series

NameProc First 90 IEEE Conf Visualization Visualization 90

Conference

ConferenceProceedings of the First 1990 IEEE Conference on Visualization - Visualization '90
CitySan Francisco, CA, USA
Period23/10/9026/10/90

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  • Cite this

    Maeder, A. J. (1990). Animation techniques for chain-coded objects. In Proc First 90 IEEE Conf Visualization Visualization 90 (pp. 67-73). (Proc First 90 IEEE Conf Visualization Visualization 90). Publ by IEEE. https://doi.org/10.1109/VISUAL.1990.146366