Edge field analysis

Mitsuharu Matsumoto, Shuji Hashimoto

    Research output: Contribution to journalArticle

    Abstract

    In vector analysis, it is important to classify three flow primitives as translation, rotation and divergence. These three primitives can be detected utilizing line integral and surface integral according to the knowledge of vector analysis. In this paper, we introduce a method for extracting these three primitives utilizing edges in an image based on vector analysis, namely edge field analysis. The edge has the information of inclination. However, the edge has no information of the direction unlike vector. Hence, line integral and surface integral can not be directly applied to detect these three primitives utilizing edges. We firstly formulate the problem and describe the algorithm for detecting the three primitives in vector analysis. We then propose an algorithm for estimating three primitives regarding edge image as pseudo-vector field. For illustration, we apply edge field analysis to quasi-motion extraction and feature extraction. We also show the experimental results in terms of estimating the center of the flowers, the cell body of neuron, the eye of the storm, the center of the explosion and so on.

    Original languageEnglish
    Pages (from-to)145-155
    Number of pages11
    JournalIEICE Transactions on Information and Systems
    VolumeE90-D
    Issue number1
    DOIs
    Publication statusPublished - 2007 Jan

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    Neurons
    Explosions
    Feature extraction
    Cells

    Keywords

    • Divergence
    • Edge field analysis
    • Feature extraction
    • Pattern recognition
    • Rotation
    • Vector analysis

    ASJC Scopus subject areas

    • Information Systems
    • Computer Graphics and Computer-Aided Design
    • Software

    Cite this

    Edge field analysis. / Matsumoto, Mitsuharu; Hashimoto, Shuji.

    In: IEICE Transactions on Information and Systems, Vol. E90-D, No. 1, 01.2007, p. 145-155.

    Research output: Contribution to journalArticle

    Matsumoto, M & Hashimoto, S 2007, 'Edge field analysis', IEICE Transactions on Information and Systems, vol. E90-D, no. 1, pp. 145-155. https://doi.org/10.1093/ietisy/e90-1.1.145
    Matsumoto, Mitsuharu ; Hashimoto, Shuji. / Edge field analysis. In: IEICE Transactions on Information and Systems. 2007 ; Vol. E90-D, No. 1. pp. 145-155.
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