Filters








989 Hits in 3.8 sec

Rate and distortion modeling for real-time MGS coding and adaptation

Abdul Haseeb, Maria G. Martini, Sergio Cicalo, Velio Tralli
2012 2012 Wireless Advanced (WiAd)  
In this paper we develop a parametric Rate Distortion (R-D) model for Medium Grain Scalability (MGS) SVC depending only on two indexes describing the spatial and temporal complexity of video sequences.  ...  Scalability can be exploited in order to provide a better video quality for the end user in video transmission over wireless networks.  ...  ACKNOWLEDGMENTS The authors would like to acknowledge the support of the Royal Society, UK, in the framework of the International Joint Project "Cross-layer rate control and scheduling for video transmission  ... 
doi:10.1109/wiad.2012.6296574 fatcat:6yew2owec5dlxohfkslu22pheq

Simulation and experimental testbed for adaptive video streaming in ad hoc networks

Santiago González, Wilder Castellanos, Paola Guzmán, Pau Arce, Juan Carlos Guerri
2016 Ad hoc networks  
This paper presents a performance evaluation of the scalable video streaming over mobile ad hoc networks. In particular, we focus on the rate-adaptive method for streaming scalable video (H.264/SVC).  ...  We also propose a free simulation framework that supports evaluation studies for scalable video streaming.  ...  The main objective of the simulations is to evaluate two strategies for scalable video streaming over MANETs: Adaptive SVC and Non-adaptive SVC.  ... 
doi:10.1016/j.adhoc.2016.07.007 fatcat:xo7xrdxqpraozncjp34axrmyni

Implications of the ISO base media file format on adaptive HTTP streaming of H.264/SVC

Ingo Kofler, Robert Kuschnig, Hermann Hellwagner
2012 2012 IEEE Consumer Communications and Networking Conference (CCNC)  
In contrast to that, this paper focuses on the applicability of scalable video coding based on the H.264/SVC standard for adaptive HTTP streaming.  ...  We propose three different strategies for organizing the scalable video bit stream that consider both the possibilities as well as limitations of the ISO BMFF.  ...  On the contrary, the medium-grain quality scalability coding (MGS) is used for encoding video streams that should offer a larger variety of different bit rates.  ... 
doi:10.1109/ccnc.2012.6180986 dblp:conf/ccnc/KoflerKH12 fatcat:fjak3sihhnbgjji4pexbikghba

Advanced Rate Adaption for Unicast Streaming of Scalable Video

C. Liu, I. Bouazizi, M. Gabbouj
2010 2010 IEEE International Conference on Communications  
Recent advances in scalable video coding have paved the way for the development of flexible and adaptive media streaming applications.  ...  in scalable media streaming.  ...  [6] presented a 3GPP PSS compliant adaptive video streaming strategy for H.264/AVC encoded stream.  ... 
doi:10.1109/icc.2010.5502383 dblp:conf/icc/LiuBG10 fatcat:vhb4bqwdj5hddcdxvfct3jslt4

SVCEval-RA: an evaluation framework for adaptive scalable video streaming

Wilder E. Castellanos, Juan C. Guerri, Pau Arce
2015 Multimedia tools and applications  
Multimedia content adaption strategies are becoming increasingly important for effective video streaming over the actual heterogeneous networks.  ...  SVCEval-RA: an evaluation framework for adaptive scalable video streaming. Multimedia Tools and Applications. 76(1):437-461. Abstract.  ...  Section 3 gives first a brief introduction to the methods for adaptive scalable video streaming and then provides an overview of the scalable video coding.  ... 
doi:10.1007/s11042-015-3046-y fatcat:cofzma7yxjdqfnja5gwkjie3sa

P2P Scalable Video Streaming Using Data Priority And Fec-Based Noncooperative Multiple Description

G. Calvagno, Marco Gaggio, Livio Lima, P. Migliorati, Simone Milani
2012 Zenodo  
A first set of solutions considered the possibility of coding the transmitted video stream using a scalable video coder (e.g., SVC [1] ).  ...  Multiple Description (MD) architectures [2] has recently proved an effective coding and packetizing strategy for P2P video communications since the video stream to be transmitted is divided into independently-coded  ... 
doi:10.5281/zenodo.52011 fatcat:cruumprrv5g6rb2pwa5kx44264

Video Transport Evaluation With H.264 Video Traces

Patrick Seeling, Martin Reisslein
2012 IEEE Communications Surveys and Tutorials  
quality scalable coding, that have important implications for network transport.  ...  The performance evaluation of video transport mechanisms becomes increasingly important as encoded video accounts for growing portions of the network traffic.  ...  Heiko Schwartz of the Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany, for sharing detailed insights into H.264 MGS video coding.  ... 
doi:10.1109/surv.2011.082911.00067 fatcat:jbiqkuzdjzgyln2zozkbkp4vuy

Video Traffic Characteristics of Modern Encoding Standards: H.264/AVC with SVC and MVC Extensions and H.265/HEVC

Patrick Seeling, Martin Reisslein
2014 The Scientific World Journal  
We also illustrate the video traffic characteristics and statistical multiplexing of scalable video encoded with the SVC extension of H.264/AVC as well as 3D video encoded with the MVC extension of H.264  ...  The emerging H.265/HEVC video coding standard as well as 3D video coding further advance video coding for multimedia communications.  ...  Acknowledgments The authors are grateful for interactions with Dr. Geert Van der Auwera from Qualcomm, Inc. that helped in shaping this paper.  ... 
doi:10.1155/2014/189481 pmid:24701145 pmcid:PMC3951063 fatcat:bqffpnuronebzeupuzor3pyvvy

Buffer management for scalable video streaming

A. Morales Figueroa, L. Favalli
2017 EAI Endorsed Transactions on Mobile Communications and Applications  
To get more flexibility, we employed SNR quality scalability (Medium Grain Scalability), to get more than one rate point for each enhancement layer.  ...  In a video streaming scenario, to cope with bandwidth variations, buffer management and intelligent drop packets policies play a critical role in the final quality of the video received at the user side  ...  Buffer management for MGS video sequences In a server-client adaptive streaming environment, a client makes request for multimedia objects to a centralized video server.  ... 
doi:10.4108/eai.13-9-2017.153337 fatcat:exrmpiotbfahfcumzsgn73yyle

H.264 Coarse Grain Scalable (CGS) and Medium Grain Scalable (MGS) Encoded Video: A Trace Based Traffic and Quality Evaluation

Rohan Gupta, Akshay Pulipaka, Patrick Seeling, Lina J. Karam, Martin Reisslein
2012 IEEE transactions on broadcasting  
The scalable video coding (SVC) extension of the H.264/AVC video coding standard provides two mechanisms, namely coarse grain scalability (CGS) and medium grain scalability (MGS), for quality scalable  ...  video encoding, which varies the fidelity (signal-to-noise ratio) of the encoded video stream.  ...  Heiko Schwarz from the Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute, Berlin, Germany, for sharing detailed insights into H.264 MGS video coding.  ... 
doi:10.1109/tbc.2012.2191702 fatcat:oigj22tjhfbnpkzfwf4b6bo72u

Real-time joint rate and protection allocation for multi-user scalable video streaming

Hassan Mansour, Panos Nasiopoulos, Vikram Krishnamurthy
2008 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications  
In this paper, we present a real-time joint bit-rate and error protection allocation scheme for multiple scalable video streams sharing a single downlink channel.  ...  This calls for flexible error protection and rate control strategies implemented at the video encoders that can respond to the variation in channel conditions.  ...  We propose new real-time rate and distortion models for medium grained and coarse grained scalable (MGS/CGS) coded video streams and use these models in a global optimization framework that selects the  ... 
doi:10.1109/pimrc.2008.4699569 dblp:conf/pimrc/MansourNK08 fatcat:7bq5ggm75vgdhd7vgyfq6h5kle

Adaptive broadband video streaming using H.264 scalability across a tandem network

Ismail Ali, Salah Al-Majeed, Martin Fleury, Mohammed Ghanbari
2011 2011 4th Joint IFIP Wireless and Mobile Networking Conference (WMNC 2011)  
The paper exhibits the trade-offs that arise as a result of adaptive wireless broadband video streaming.  ...  As content management systems for IPTV reduce the latency between server and mobile device, real-time video streaming can tolerate single negative acknowledgments in the event of packet loss.  ...  Section II presents the proposed adaptive variety of BVS for scalable video. Section III details the simulation environment for the evaluation of the scheme in Section IV.  ... 
doi:10.1109/wmnc.2011.6097212 dblp:conf/mwcn/AliAFG11 fatcat:kmwpzuyapzao7pjstpyy5q54ju

Content-aware downlink scheduling for LTE wireless systems: A survey and performance comparison of key approaches

Moustafa M. Nasralla, Nabeel Khan, Maria G. Martini
2018 Computer Communications  
According to simulation results, proxy based QoE aware scheduling strategies perform best in terms of number of satisfied users and should be used in an LTE downlink to offer high quality video streaming  ...  Abstract-We present in this paper a comprehensive review and comparison of recent downlink scheduling approaches for video streaming traffic over the Orthogonal Frequency Division Multiple Access (OFDMA  ...  MGS scalability provides sufficient bit-rate granularity for rate adaptation. Each user is assigned a queue at the eNodeB.  ... 
doi:10.1016/j.comcom.2018.08.009 fatcat:hiee6lg75za25hy6i623oz2x5e

Fine-grained scalable streaming from coarse-grained videos

Pengpeng Ni, Alexander Eichhorn, Carsten Griwodz, Pål Halvorsen
2009 Proceedings of the 18th international workshop on Network and operating systems support for digital audio and video - NOSSDAV '09  
Scalable video is an attractive option for adapting the bandwidth consumption of streaming video to the available bandwidth.  ...  scalable videos.  ...  It was shown that two-dimensional adaptation strategy outperformed one-dimensional adaptation.  ... 
doi:10.1145/1542245.1542269 dblp:conf/nossdav/NiEGH09 fatcat:nvsu7xsupregbmfsrpklyq6ivq

Scalable and Media Aware Adaptive Video Streaming over Wireless Networks

Nicolas Tizon, Béatrice Pesquet-Popescu
2008 EURASIP Journal on Advances in Signal Processing  
This paper proposes an advanced video streaming system based on scalable video coding in order to optimize resource utilization in wireless networks with retransmission mechanisms at radio protocol level  ...  The key component of this system is a packet scheduling algorithm which operates on the different substreams of a main scalable video stream and which is implemented in a so-called media aware network  ...  CONCLUSION This study proposes a complete framework for scalable and media aware adaptive video streaming over wireless networks.  ... 
doi:10.1155/2008/218046 fatcat:4jf662pqfrginkm5zxxlnlgg5a
« Previous Showing results 1 — 15 out of 989 results