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Abstract homogeneity on partially ordered Sets

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Abstract

The focus of this article is on exploring the concept of abstract homogeneity in relation to partially ordered sets. Our study delves into various properties of this notion, including self-homogeneity. We then apply these concepts to the practical area of image processing, demonstrating their relevance. Our application of abstract homogeneous functions in computer vision surpasses classical edge detection methods and approaches state-of-the-art results, highlighting their potential showing that a suitable family of functions for this task are the abstract homogeneous ones. Additionally, we improve these results by creating consensus feature images, which aggregate features to enhance the effect of abstract homogeneity. This method offers a subtle yet effective improvement in image processing tasks.

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Notes

  1. Kulisch-Miranker order is the most used partial order on \(\mathbb {I}(\mathbb {R})\). It is defined as: \(X \ {\preceq }_{KM} \ Y \ \text {iff} \ \underline{X} \le \underline{Y}\) and \(\overline{X} \le \overline{Y}\) Kulisch and Miranker (1981); Román-Flores et al. (2013). Some other examples of interval partial orders can be found in Han and Hu (2015).

  2. Bustince et al. introduced it inspired by the lexicographical order of points in \(\mathbb {R}^2\) (see Bustince et al. (2013)).

  3. Note that \(X-X = \varvec{0}\) iff X is a degenerated interval.

  4. The minimum function \(\min \), takes a n-tuple as input and returns the smallest coordinate. Likewise, the maximum function, \(\max \), takes an n-tuple as input and returns the greatest coordinate.

  5. Given a partially ordered set \(\langle A,\preceq _A \rangle \), a binary function \(f: A^2 \rightarrow A\) is said to be bisymmetric if \(f(f(x,y), f(u,v)) = f(f(x,u), f(y,v))\) for all \(x,y,u,v \in A\) (cf. Ovchinnikov (1993)).

  6. \(F_{AM_{n}}\) is the IV-arithmetic mean and \(P_2\) is the IV-product function, both defined in Example 4

  7. Remember that, by Example 8, \(F_{AM_8}\) is \(P_2\)-homogeneous and, by Example 11, \(F_{max}\) and \(F_{min}\) are \(P_2\)-homogeneous.

  8. After references.

  9. After references.

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Acknowledgements

We thank the support for this work received from: (a) the National Council for Scientific and Technological Development (CNPq-Brazil) through the projects 312899/2021-1 and 403167/2022-1; (b) Ministerio de Ciencia y Inovacción through the projects PID2020-119478GB-I00, PID2022-136627NB-I00, TED2021-131295B-C32 and PID2021-123673OB-C31, supported by MCIN/AEI/10.13039/501100011033/FEDER,UE; (c) the Slovak Academy of Sciences through the projects APVV-20-0069 and VEGA 1/0036/23; (d) PROMETEO grant CIPROM/2021/077 from the Conselleria de Innovación, Universidades, Ciencia y Sociedad Digital - Generalitat Valenciana; (e) Early Research Project grant PAID-06-23 by the Vice Rectorate Office for Research from Universitat Politècnica de València (UPV).

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Correspondence to Ana Shirley Monteiro.

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Monteiro, A.S., Santiago, R., Papčo, M. et al. Abstract homogeneity on partially ordered Sets. Comp. Appl. Math. 44, 191 (2025). https://doi.org/10.1007/s40314-025-03156-4

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