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The QoE measurement has become a novel theme today. To achieve a quality service and minimize the negative impact that traffic on network can cause, it's very important to manage the devices that intervene in this service. Hence, the QoE evaluation allows obtaining benefits both customers and service providers. The main objective of this paper is to measure QoE of a teleconsultation application in Mental Health named Psiconnect, using an approach based on pentagram model. For the QoE evaluation of Psiconnect application we used the pentagram model based on the measurement of 5 factors (integrality, retainability, availability, usability, and instantaneousness). This model allows to design quantifiable metrics for quality evaluations. Using the model cited the value of QoE for Psiconnect is 1.793 (between 1.6 and 1.8). Comparing with Mean Opinion Scores (MOS) test, some users are dissatisfied with the use of the application although the result is near 1.8, so the most of users are satisfied with the use of teleconsultation service based in Skype in the Psiconnect app. There are different models to measure QoE having into account subjective parameters. This is important an estimation of QoE in a quantitative form. Other models can be used to improve the quality of apps.
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http://dx.doi.org/10.1007/s10916-019-1342-1 | DOI Listing |
Sensors (Basel)
September 2024
Shenyang Institute of Computing Technology, Chinese Academy of Sciences, Shenyang 110168, China.
In recent years, artificial intelligence technology has seen increasingly widespread application in the field of intelligent manufacturing, particularly with deep learning offering novel methods for recognizing geometric shapes with specific features. In traditional CNC machining, computer-aided manufacturing (CAM) typically generates G-code for specific machine tools based on existing models. However, the tool paths for most CNC machines consist of a series of collinear motion commands (G01), which often result in discontinuities in the curvature of adjacent tool paths, leading to machining defects.
View Article and Find Full Text PDFCells Tissues Organs
March 2023
Department of Biomedical and Chemical Engineering, Syracuse University, Syracuse, New York, USA.
Traditionally, tissue-specific organoids are generated as 3D aggregates of stem cells embedded in Matrigel or hydrogels, and the aggregates eventually end up a spherical shape and suspended in the matrix. Lack of geometrical control of organoid formation makes these spherical organoids limited for modeling the tissues with complex shapes. To address this challenge, we developed a new method to generate 3D spatial-organized cardiac organoids from 2D micropatterned human induced pluripotent stem cell (hiPSC) colonies, instead of directly from 3D stem cell aggregates.
View Article and Find Full Text PDFBMJ Open
November 2021
First Nations Health Authority, West Vancouver, British Columbia, Canada.
Background: There are few examples of the practical application of the concepts of social accountability, as defined by the World Bank and WHO, to health system change. This paper describes a robust approach led by First Nations Health Authority and the Rural Coordination Centre of British Columbia. This was achieved using partnerships in British Columbia, Canada, where the health system features inequities in service and outcomes for rural and Indigenous populations.
View Article and Find Full Text PDFJ Med Syst
June 2019
Psiquiatry Service, Hospital Zamora, Hernán Cortés, Zamora, Spain.
The QoE measurement has become a novel theme today. To achieve a quality service and minimize the negative impact that traffic on network can cause, it's very important to manage the devices that intervene in this service. Hence, the QoE evaluation allows obtaining benefits both customers and service providers.
View Article and Find Full Text PDFPLoS One
June 2018
Department of Computer Science, University of Calgary, Calgary, Canada.
Space Information Flow (SIF) is a new promising research area that studies network coding in geometric space, such as Euclidean space. The design of algorithms that compute the optimal SIF solutions remains one of the key open problems in SIF. This work proposes the first exact SIF algorithm and a heuristic SIF algorithm that compute min-cost multicast network coding for N (N ≥ 3) given terminal nodes in 2-D Euclidean space.
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