Algorithm for length estimation based on the vertex chain code

Oldooz Dianat*, Habibollah Haron

*Corresponding author for this work

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

    5 Citations (Scopus)

    Abstract

    Image analysis deals with discrete picture, obtained by a process of digitization. Through this process, losing some information is inevitable. Length of a curve belongs to this category. Since the existence of digital image there are many algorithms proposed for estimating the length of the curve. Length estimation in digital image is tied to the method of digitization. We chose four-neighborhood digitization in two dimensions. This digitization makes it possible for length estimator to apply the Vertex Chain Code. A trace contour algorithm is applied to extract the Vertex Chain Code. The output is used for global length estimation, namely maximum-length digital straight segments. In this paper we compare this global length estimator for both Freeman Chain Code and Vertex Chain Code.

    Original languageEnglish
    Title of host publication2009 International Conference on Signal Processing Systems, ICSPS 2009
    Pages951-954
    Number of pages4
    DOIs
    Publication statusPublished - 2009
    Event2009 International Conference on Signal Processing Systems, ICSPS 2009 - Singapore, Singapore
    Duration: 15 May 200917 May 2009

    Other

    Other2009 International Conference on Signal Processing Systems, ICSPS 2009
    CountrySingapore
    CitySingapore
    Period15/05/0917/05/09

    Keywords

    • Global length estimator
    • Maximum-length digital straight segments
    • Vertex chain code

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