Fuzzy spatial relationships: a few tools for model-based pattern recognition in aerial images

Isabelle Bloch

doi:10.1117/12.262882

17 December 1996 Fuzzy spatial relationships: a few tools for model-based pattern recognition in aerial images

Isabelle Bloch

Proceedings Volume 2955, Image and Signal Processing for Remote Sensing III; (1996) https://doi.org/10.1117/12.262882
Event: Satellite Remote Sensing III, 1996, Taormina, Italy

Abstract

We address in this paper the problem of defining fuzzy relationships between objects for pattern recognition purposes. We distinguish two kinds of spatial relationships. Some of them are well defined if the objects are crisp, like adjacency, inclusion or other set relationships. But since they are highly sensitive to errors or imprecision in segmentation, more useful measures can be obtained by fuzzifying these concepts. We define such measures using fuzzification principles or direct translation of binary equations into fuzzy ones. Other relationships are inherently vague concepts, like relative position. Fuzzy definitions of such relationships are then more consistent than crisp ones. We propose definitions of relative position between crisp or fuzzy objects, and illustrate them on buildings in aerial images.

Citation Download Citation

Isabelle Bloch "Fuzzy spatial relationships: a few tools for model-based pattern recognition in aerial images", Proc. SPIE 2955, Image and Signal Processing for Remote Sensing III, (17 December 1996); https://doi.org/10.1117/12.262882

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