Multi-Structural Texture Analysis Using Mathematical Morphology

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  • YANG Lei
    Graduate School of Engineering, Hiroshima University
  • ASANO Akira
    Faculty of Informatics, Kansai University
  • LI Liang
    Ritsumeikan Global Innovation Research Organization, Ritsumeikan University
  • MURAKI ASANO Chie
    Department of Lifestyle Design, Yasuda Women's University
  • KURITA Takio
    Graduate School of Engineering, Hiroshima University

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In this paper, we propose a novel texture analysis method capable of estimating multiple primitives, which are elements repetitively arranged to compose a texture, in multi-structured textures. The approach is based on a texture description model that uses mathematical morphology, called the “Primitive, Grain, and Point Configuration (PGPC)” texture model. The estimation of primitives based on the PGPC texture model involves searching the optimal structuring element for primitives according to a size distribution function and a magnification. The proposed method achieves the following two improvements: (1) the simultaneous estimation of a multiple number of primitives in multi-structured textures with a ranking of primitives on the basis of their significance. and (2) the introduction of flexibility in the process of magnification to obtain a higher degree of fitness of large grains. With a computational combination of different primitives, the method provides an ordered priority to denote the significance of elements. The promising performance of the proposed method is experimentally shown by a comparison with conventional methods.

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