Context: Quality of Experience (QoE) enables the description of user perceptions about the performance of a particular application or service. In the mobile computing context, it is an important measure for service providers ...

Extracting elements of interest from video frames is a necessary task in many applications, such as those that require replacing the original background. Quality assessment of foreground extraction algorithms is essential ...

In this work we study the extraction of semantic objects from images together with a metric that ranks them according to their perceptual significance. To obtain an initial segmentation we use elements of mathematical ...

Ecophysiology and conservation studies often require the prior establishment of baseline physiologic metrics. For instance, expected reference intervals for health metrics are valuable tools for veterinarians and ...

The increase on environmental awareness has triggered numerous green initiatives at companies. This paper presents the Overall Greenness Performance (OGP), a metric based on the well-known Overall Equipment Effectiveness ...

This article aims to analyze the use of metrics in "social media" and "site performance indicators" and their relationship with brand value by cosmetic companies in Brazil. In this research, it was necessary to create a ...

In this article, we study homogeneous warped product Einstein metrics and their connections with homogeneous Ricci solitons. We show that homogeneous (Λ, n + m)-Einstein manifolds (which are the bases of homogeneous warped ...