DLNA-Based Multimedia Sharing System for OSGI Framework With Extension to P2P Network

Lai, Chin‐Feng; Huang, Yueh‐Min; Chao, Han‐Chieh

doi:10.1109/jsyst.2010.2047175

Cited by 39 publications

(3 citation statements)

References 18 publications

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“…It is the fact that any transmitted video sequence should be encoded in to bit stream at the server for compression [14]. Although various video coding standards exist, for example, H.264/AVC, MPEG-2, etc, the effect to the video quality by the lossy codec cannot be avoided due to codec's characteristic and the coding requirements.…”

Section: Pr Ocessormentioning

confidence: 99%

Hybrid No-Reference Video Quality Assessment Focusing on Codec Effects

Liu¹,

Chen²,

Tang³

et al. 2011

KSII TIIS

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Currently, the development of multimedia communication has progressed so rapidly that the video program service has become a requirement for ordinary customers. The quality of experience (QoE) for the visual signal is of the fundamental importance for numerous image and video processing applications, where the goal of video quality assessment (VQA) is to automatically measure the quality of the visual signal in agreement with the human judgment of the video quality. Considering the codec effect to the video quality, in this paper an efficient non-reference (NR) VQA algorithm is proposed which estimates the video quality (VQ) only by utilizing the distorted video signal at the destination. The VQA feature vectors (FVs) which have high relationships with the subjective quality of the distorted video are investigated, and a hybrid NR VQA (HNRVQA) function is established by considering the multiple FVs. The simulation results, testing on the SDTV programming provided by VCEG Phase I, show that the proposed algorithm can represent the VQ accurately, and it can be used to replace the subjective VQA to measure the quality of the video signal automatically at the destinations.

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Section: Pr Ocessormentioning

confidence: 99%

Hybrid No-Reference Video Quality Assessment Focusing on Codec Effects

Liu¹,

Chen²,

Tang³

et al. 2011

KSII TIIS

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“…Fewer works of literature employ it to handle the rich applications, such as multimedia. For example, Dr. Lai et al integrated DLNA (Digital Living Network Alliance) services into the OSGi framework in the extension program of multimedia video sharing on the DLNA local network through which the home media resources were accessed by users via the peer-to-peer (P2P) network [14,15]. However, the applications with respect to video phone calls or even IMS services are still uninvolved despite lots of research for the management of multimedia services based on the OSGi framework.…”

Section: Introductionmentioning

confidence: 99%

An IP Multimedia Subsystem Services Proxy Gateway Based on a JAVA Dynamic Module System

Chang

2018

Applied Sciences

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By virtue of the rapid development of the Information and Communication Technology (ICT), people have owned various devices connected to the Internet to enjoy various emerging application services, such as multimedia related services. IP Multimedia Subsystem (IMS) is the integration platform for multimedia application services and provides a rich feature set of converged services in the Next Generation Network (NGN). IMS services are accessed by a user anytime and anywhere through his/her personal self IMS device, e.g., mobile device, equipped with a Universal Subscriber Identity Module (USIM) card. People have owned various devices connected to the Internet at homes or offices. However, some devices can not access IMS services without USIM cards embedded, which is called non-IMS devices. People wish that more devices without USIM cards embedded should be connected to the Internet on which IMS services are accessed in addition to the mobile devices equipped with USIM cards. Accordingly, we propose an Open Service Gateway Initiative (OSGi)-based IMS service gateway, in which OSGi technology is the dynamic module system for JAVA. The proposed gateway is authorized by a personal self IMS device such that IMS services are accessed by non-IMS devices, in this paper. Moreover, these non-IMS devices rely on different networks to access technologies and network protocols and the IMS service gateway proposed here adopts the OSGi framework for no problem of integration.

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“…Their calculation is verified by achieving high correlation between subjective and objective estimated DMOS. In [7], a dynamic multimedia quality adjustment mechanism have been proposed in order to improve the quality of multimedia services delivered to the end user. A holistic view toward multimedia quality makes the proposed solution to take a wide variety of contributing factors into account in order to provide an acceptable level of multimedia service quality for the end users.…”

Section: Introductionmentioning

confidence: 99%

A Generic Quantitative Relationship to Assess Interdependency of QoE and QoS

2013

KSII TIIS

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Researchers as well as network providers are increasingly interested in understanding how a network user's experience changes in relation to different quality of service (QoS) parameters, with many attempts being made to identify the general relationship between quality of experience (QoE) and QoS. Several relations in different function forms have been proposed. There are instances when this variety of proposed functions potentially results in one problem having completely dissimilar solutions at the same time. The question then is which function form is the one that can better explain this relationship. In this paper, three major existing quantitative relationships between QoE and QoS are investigated. After conducting a comprehensive comparative analysis between them, a new definition of QoE-QoS dependency appears. It then results in identifying a new mutual relationship between QoE and QoS. The newly proposed relationship improves the deficiency of previous QoE-QoS relationships along with solving the problem of diversity of simultaneous solutions for one problem.

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DLNA-Based Multimedia Sharing System for OSGI Framework With Extension to P2P Network

Cited by 39 publications

References 18 publications

Hybrid No-Reference Video Quality Assessment Focusing on Codec Effects

Hybrid No-Reference Video Quality Assessment Focusing on Codec Effects

An IP Multimedia Subsystem Services Proxy Gateway Based on a JAVA Dynamic Module System

A Generic Quantitative Relationship to Assess Interdependency of QoE and QoS

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