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Displaying 1-12 out of 12 total
Real-Time Multiple Description and Layered Encoded Video Streaming with Optimal Diverse Routing
Found in: Computers and Communications, IEEE Symposium on
By Ali C. Begen, Yucel Altunbasak, Ozlem Ergun, Mehmet A. Begen
Issue Date:July 2003
pp. 887
Multiple Description (MD) and Layered Coding (LC) are two source-coding approaches proposed for adaptive and robust video streaming over lossy networks. Both streaming methods aim to improve the streaming quality by transmitting the generated multiple sub-...
 
A Distributed Protocol to Serve Dynamic Groups for Peer-to-Peer Streaming
Found in: IEEE Transactions on Parallel and Distributed Systems
By Xing Jin, S.-H. Gary Chan, Wan-Ching Wong, Ali C. Begen
Issue Date:February 2010
pp. 216-228
Peer-to-peer (P2P) streaming has been widely deployed over the Internet. A streaming system usually has multiple channels, and peers may form multiple groups for content distribution. In this paper, we propose a distributed overlay framework (called SMesh)...
 
Reducing Channel-Change Times with the Real-Time Transport Protocol
Found in: IEEE Internet Computing
By Ali C. Begen, Neil Glazebrook, William Ver Steeg
Issue Date:May 2009
pp. 40-47
In a multicast IPTV distribution network, each channel is offered in a different multicast session, and the IP set-top box joins the respective session when the viewer tunes to a new channel. Due to delays associated with network components and encoding sc...
 
Not All Packets Are Equal, Part 2: The Impact of Network Packet Loss on Video Quality
Found in: IEEE Internet Computing
By Jason Greengrass, John Evans, Ali C. Begen
Issue Date:March 2009
pp. 74-82
In this second part of a two-part article, the authors highlight the impact that different durations of IP packet loss have on the quality of experience for IP-based video streaming services. They describe the visual impairments that result from such packe...
 
Not All Packets Are Equal, Part I: Streaming Video Coding and SLA Requirements
Found in: IEEE Internet Computing
By Jason Greengrass, John Evans, Ali C. Begen
Issue Date:January 2009
pp. 70-75
In this first part of a two-part article, the authors consider the network factors that impact the viewers' quality of experience (QoE) for IP-based video-streaming services such as IPTV. They describe the IP service-level requirements for a transported vi...
 
Watching Video over the Web: Part 2: Applications, Standardization, and Open Issues
Found in: IEEE Internet Computing
By Ali C. Begen, Tankut Akgul, Mark Baugher
Issue Date:May 2011
pp. 59-63
<p>In this second part of a two-part article, the authors look into applications for streaming, including end-to-end mobile and in-home streaming. They contrast adaptive approaches to other video-delivery paradigms, discuss current standardization ef...
 
Toward Lossless Video Transport
Found in: IEEE Internet Computing
By John Evans,Ali C. Begen,Jason Greengrass,Clarence Filsfils
Issue Date:November 2011
pp. 48-57
Temporary outages in IP packet delivery can occur during network reconvergence events, and conventional error-control methods that end points use can't effectively deal with such extended blocks of packet loss. Service providers can employ a number of netw...
 
What happens when HTTP adaptive streaming players compete for bandwidth?
Found in: Proceedings of the 22nd international workshop on Network and Operating System Support for Digital Audio and Video (NOSSDAV '12)
By Ali C. Begen, Constantine Dovrolis, Lakshmi Anantakrishnan, Saamer Akhshabi
Issue Date:June 2012
pp. 9-14
With an increasing demand for high-quality video content over the Internet, it is becoming more likely that two or more adaptive streaming players share the same network bottleneck and compete for available bandwidth. This competition can lead to three per...
     
TV everywhere
Found in: Proceedings of the 22nd international workshop on Network and Operating System Support for Digital Audio and Video (NOSSDAV '12)
By Ali C. Begen
Issue Date:June 2012
pp. 1-2
As more and more PC and handheld like devices get connected, consumers are migrating to the Web to watch their favorite shows and movies. Increasingly, the Web is coming to digital TV, which incorporates movie downloads and streaming. Similarly, consumers ...
     
Accelerated IPTV channel change with transcoded unicast bursting
Found in: Proceedings of the international conference on Multimedia (MM '10)
By Ali C. Begen, Bernd Girod, Xiaoqing Zhu, Zhi Li
Issue Date:October 2010
pp. 779-782
We study video transcoding for accelerated channel changes in IPTV systems. Video transcoding at the Retransmission Server not only reduces the channel change latency, but also reduces the duration and data size of the unicast burst stream used for rapid a...
     
Peer-assisted packet loss repair for IPTV video multicast
Found in: Proceedings of the seventeen ACM international conference on Multimedia (MM '09)
By Ali C. Begen, Bernd Girod, Xiaoqing Zhu, Zhi Li
Issue Date:October 2009
pp. 401-410
Emerging IPTV technology uses source-specific IP multicast to deliver TV programs to the end-users. To provide timely and reliable services over the error-prone DSL access networks, a combination of multicast forward error correction and unicast retransmis...
     
Redundancy-controllable adaptive retransmission timeout estimation for packet video
Found in: Proceedings of the 2006 international workshop on Network and operating systems support for digital audio and video (NOSSDAV '06)
By Ali C. Begen, Yucel Altunbasak
Issue Date:November 2006
pp. 1-1
Time-constrained error recovery is an integral component of reliable low-delay video applications. Regardless of the error-control method adopted by the application, unacknowledged or missing packets must be quickly identified as lost or delayed, so that n...
     
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