Results 11 to 20 of about 1,171,691 (282)

Whole-Body Keypoint and Skeleton Augmented RGB Networks for Video Action Recognition

Applied Sciences, 2022
Incorporating multi-modality data is an effective way to improve action recognition performance. Based on this idea, we investigate a new data modality in which Whole-Body Keypoint and Skeleton (WKS) labels are used to capture refined body information ...
Zizhao Guo, Sancong Ying
doaj   +1 more source

Sub-Additive Aggregation Functions and Their Applications in Construction of Coherent Upper Previsions

Mathematics, 2020
In this paper, we explore the use of aggregation functions in the construction of coherent upper previsions. Sub-additivity is one of the defining properties of a coherent upper prevision defined on a linear space of random variables and thus we ...
Serena Doria, Radko Mesiar, Adam Šeliga
doaj   +1 more source

Non-linear averaging-based operators of pseudo-hesitant fuzzy elements and an application

Croatian Operational Research Review, 2023
Data modeling/aggregating, in many uncertain real-world' problems such as decision-making processes, has gotten more attention in recent years. Due to a variety of uncertainty sources, various types of fuzzy sets, and various types of averaging-based ...
Abazar Keikha, Tabasam Rashid
doaj   +1 more source

On Self-Aggregations of Min-Subgroups

Axioms, 2021
Preservation of structures under aggregation functions is an active area of research with applications in many fields. Among such structures, min-subgroups play an important role, for instance, in mathematical morphology, where they can be used to model ...
Carlos Bejines, Sergio Ardanza-Trevijano, Jorge Elorza   +2 more
doaj   +1 more source

Quadratic transformation of multivariate aggregation functions

Dependence Modeling, 2020
In this work, we prove that quadratic transformations of aggregation functions must come from quadratic aggregation functions. We also show that this is different from quadratic transformations of (multivariate) semi-copulas and quasi-copulas.
Boonmee Prakassawat, Tasena Santi
doaj   +1 more source

CENTER BASED CLUSTERING AND AVERAGING AGGREGATION FUNCTIONS [PDF]

Vestnik KRAUNC: Fiziko-Matematičeskie Nauki, 2017
We propose a new clustering method for partitioning of finite sets from Rn, which is based on the application of averaging aggregating functions and an iterative re-weighing method for searching cluster centers.
Z. M. Shibzukhov
doaj   +1 more source

The Formal Framework for Collective Systems

Axioms, 2021
Automated reasoning is becoming crucial for information systems. Building one uniform decision support system has become too complicated. The natural approach is to divide the task and combine the results from different subsystems into one uniform answer.
Rafał Palak, Krystian Wojtkiewicz
doaj   +1 more source

Some properties of implications via aggregation functions and overlap functions [PDF]

International Journal of Computational Intelligence Systems, 2014
In this work, using the identification between implication operators and aggregation functions, we study the implication operators that are recovered from overlap functions.
H. Zapata, H. Bustince, L. De Miguel, C. Guerra   +3 more
doaj   +1 more source

Directional Shift-Stable Functions

Mathematics, 2021
Recently, some new types of monotonicity—in particular, weak monotonicity and directional monotonicity of an n-ary real function—were introduced and successfully applied.
Radko Mesiar, Andrea Stupňanová
doaj   +1 more source

Multiple Optimal Solutions and the Best Lipschitz Constants Between an Aggregation Function and Associated Idempotized Aggregation Function

Axioms, 2021
This paper presents and compares the optimal solutions and the theoretical and empirical best Lipschitz constants between an aggregation function and associated idempotized aggregation function.
Hui-Chin Tang, Wei-Ting Chen
doaj   +1 more source