Fajardo Portillo Jose Oscar

Fajardo Portillo, Jose Oscar

Datu pertsonalak

Fajardo Portillo, Jose Oscar

Helbidea: Alda. de Urquijo s/n. C.P.: 48013. Bilbao
Email: joseoscar.fajardo@ehu.es
Teléfono: +34 94 601 7361

 

Titulazio akademikoa

Unibertsitateko Titulazioa

Titulua: Telekomunikazio Ingeniaritza
Areagotzea: Telematika
Zentroa: Euskal Herriko Unibertsitatea
Lorpen data: 2003

Doktoregoa

Egitarauaren titulua: Tecnologías de la información y comunicaciones en Redes Móviles
DEA lorpen data: 2005
Título de la tesis:  Adaptación de los mecanismos de provisión de calidad de servicio a las preferencias de los usuarios (Adaptation of QoS provisioning mechanisms to user requirements)
Lorpen data: (Amaiturik gabe)

Argitalpenak

Video Quality Prediction Models Based on Video Content Dynamics for H.264 Video over UMTS Networks

Egileak:
Asiya Khan, Lingfen Sun, Emmanuel Ifeachor, Jose Oscar Fajardo, Fidel Liberal, Harilaos Koumaras
Urtea:
2010
Aldizkaria:
International Journal of Digital Multimedia Broadcasting
Liburukia:
2010. Special Issue on 'IP and Broadcasting Systems Convergence'
Deskribapena:

<span lang="en">The aim of this paper is to present video quality prediction models for objective non-intrusive, prediction of H.264 encoded video for all content types combining parameters both in the physical and application layer over Universal Mobile Telecommunication Systems (UMTS) networks. In order to characterize the Quality of Service (QoS) level, a learning model based on Adaptive Neural Fuzzy Inference System (ANFIS) and a second model based on non-linear regression analysis is proposed to predict the video quality in terms of the Mean Opinion Score (MOS). The objective of the paper is two-fold. First, to find the impact of QoS parameters on end-to-end video quality for H.264 encoded video. Second, to develop learning models based on ANFIS and non-linear regression analysis to predict video quality over UMTS networks by considering the impact of radio link loss models. The loss models considered are 2-state Markov models. Both the models are trained with a combination of physical and application layer parameters and validated with unseen dataset. Preliminary results show that good prediction accuracy was obtained from both the models. The work should help in the development of a reference-free video prediction model and QoS control methods for video over UMTS networks.</span>

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