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Graph morphology

作     者:Heijmans, H.J.A. Nacken, P. Toet, A. Vincent, L. 

作者机构:Centre for Mathematics and Computer Science P.O. Box 4079 1009 AB Amsterdam The Netherlands Institute for Perception TNO Kampweg 5 3769 DE Soesterberg The Netherlands Division of Applied Sciences Harvard University Cambridge Massachusetts 02138 USA 

出 版 物:《Journal of Visual Communication and Image Representation》 (J Visual Commun Image Represent)

年 卷 期:1992年第3卷第1期

页      面:24-24页

核心收录:

学科分类:0809[工学-电子科学与技术(可授工学、理学学位)] 08[工学] 

基  金:Foundation for Computer Science Foundation for Computer Sciences Netherlands Organization for Scientific Research Nederlandse Organisatie voor Wetenschappelijk Onderzoek, NWO 

摘      要:This paper presents a systematic theory for the construction of morphological operators on graphs. Graph morphology extracts structural information from graphs using predefined test probes called structuring graphs. Structuring graphs have a simple structure and are relatively small compared to the graph that is to be transformed. A neighborhood function on the set of vertices of a graph is constructed by relating individual vertices to each other whenever they belong to a local instantiation of the structuring graph. This function is used to construct dilations and erosions. The concept of the structuring graph is also used to define openings and closings. The resulting morphological operators are invariant under symmetries of the graph. Graph morphology resembles classical morphology (which uses structuring elements to obtain translation-invariant operators) to a large extent. However, not all results from classical morphology have analogues in graph morphology because the local graph structure may be different at different vertices.

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