Fajardo Portillo Jose Oscar

Fajardo Portillo, Jose Oscar

Datos personales

Fajardo Portillo, Jose Oscar

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

 

Títulos académicos

Titulación universitaria

Título: Ingeniería de Telecomunicación
Intensificación: Telemática
Centro: Universidad del País Vasco
Fecha de obtención: 2003

Doctorado

Título del programa: Tecnologías de la información y comunicaciones en Redes Móviles
Fecha de obtención DEA: 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)
Fecha de obtención: (En proceso)

Publicaciones

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

Autoría:
Asiya Khan, Lingfen Sun, Emmanuel Ifeachor, Jose Oscar Fajardo, Fidel Liberal, Harilaos Koumaras
Año:
2010
Revista:
International Journal of Digital Multimedia Broadcasting
Volumen:
2010. Special Issue on 'IP and Broadcasting Systems Convergence'
Descripción:

<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>

Más información

Artículos

Mostrando el intervalo 1 - 5 de 36 resultados.