With the continuous development of portable noninvasive human sensor technologies such
as brain–computer interfaces (BCI), multimodal emotion recognition has attracted increasing …

Energy has been considered as one of the essential needs of mankind along with air, water,
and food and witnessed evolution of civilization since evidence of human life. Managing …

Pythagorean fuzzy set initially developed by Yager (2014) is a new tool to model imprecise
and ambiguous information in multicriteria decision making problems. In this paper, we …

Set functions are mappings that assign to subsets of a universal set a real number and
appear in many fields of mathematics (pure and applied) and computer sciences …

The present manuscript is intended to be a textbook that could serve both undergraduate
and graduate students when studying Fuzzy Set Theory and Applications. It is also intended …

Decision makers are often faced with several conflicting alternatives. How do they evaluate
trade-offs when there are more than three criteria? To help people make optimal decisions …

Since its inception, the theory of fuzzy sets has advanced in a variety of ways and in many
disciplines. Applications of fuzzy technology can be found in artificial intelligence, computer …

Aggregation is the process of combining several numerical values into a single
representative value, and an aggregation function performs this operation. These functions …

This paper will present a novel concept of expected values of fuzzy variables, which is
essentially a type of Choquet integral and coincides with that of random variables. In order to …

Face recognition presents a challenging problem in the field of image analysis and
computer vision, and as such has received a great deal of attention over the last few years …