Compact representation of W-operators

Junior Barrera; Ronaldo F. Hashimoto

doi:10.1117/12.304613

6 April 1998 Compact representation of W-operators

Junior Barrera; Ronaldo F. Hashimoto;

Author Affiliations +

Proceedings Volume 3304, Nonlinear Image Processing IX; (1998) https://doi.org/10.1117/12.304613
Event: Photonics West '98 Electronic Imaging, 1998, San Jose, CA, United States

Abstract

It is well known that the family of hit-miss operators constitutes a sup-generating family for W-operators, that is, any W-operator can be represented as the supremum of hit-miss operators. We present here a new sup-generating family for W- operators: compositions of hit-miss operators with dilations. The representation based on this sup-generating family is called compact, since it may use less sup-generating operators than the hit-miss representation. Considering the W-operators that are both anti-extensive and idempotent (in a strict sense), we have also gotten a simplification of the compact representation. Furthermore, adding the hypothesis of increasingness, we have shown that the simplified compact representation reduces to a minimal realization of the classical representation of Matheron for translation invariant openings.

Citation Download Citation

Junior Barrera, Ronaldo F. Hashimoto, "Compact representation of W-operators", Proc. SPIE 3304, Nonlinear Image Processing IX, (6 April 1998); doi: 10.1117/12.304613; https://doi.org/10.1117/12.304613

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