Browsing by Author "Beğen, Ali Cengiz"
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Adjusting content work flow infrastructures for HDR
Syed, Y.; Beğen, Ali Cengiz (IEEE, 2018-11-28)This paper discusses what areas of a content workflow infrastructure are affected by integrating new high dynamic range (HDR) video formats into the system while also still continuing to process the standard dynamic range ... -
Are the streamingformat wars over?
Beğen, Ali Cengiz; Syed, Y. (IEEE, 2018-11-28)An average US viewer watches some form of video content five hours a day. The majority ofthe viewed content is still broadcast (over the air, cable, IPTV or satellite), however, the share of the streaming content has been ... -
Automated objective and subjective evaluation of HTTP adaptive streaming systems
Timmerer, C.; Zabrovskiy, A.; Beğen, Ali Cengiz (IEEE, 2018-06-26)Streaming audio and video content currently accounts for the majority of the internet traffic and is typically deployed over the top of the existing infrastructure. We are facing the challenge of a plethora of media players ... -
Bandwidth prediction in low-latency chunked streaming
Bentaleb, A.; Timmerer, C.; Beğen, Ali Cengiz; Zimmermann, R. (The ACM Digital Library, 2019-06)HTTP adaptive streaming with chunked transfer encoding can be used to offer low-latency streaming without sacrificing the coding efficiency. While this allows a media segment to be generated and delivered at the same time, ... -
Consumer communications and the next generation broadcast networks
Beğen, Ali Cengiz; Kolberg, M.; Merabti, M. (IEEE, 2016)Over 20 years ago the challenge for the communications community was the convergence between networking, telecommunication, and broadcasting. This challenge has been fairly well met, and we now note that around the world ... -
A distributed approach for bitrate selection in HTTP adaptive streaming
Bentaleb, A.; Beğen, Ali Cengiz; Harous, S.; Zimmermann, R. (ACM, 2018)Past research has shown that concurrent HTTP adaptive streaming (HAS) players behave selfishly and the resulting competition for shared resources leads to underutilization or oversubscription of the network, presentation ... -
Enhancing MPEG DASH performance via server and network assistance
Thomas, E.; Deventer, M.O. van; Stockhammer, T.; Beğen, Ali Cengiz; Famaey, J. (IEEE, 2017)MPEG-Dynamic Adaptive Streaming over HTTP (DASH) provides formats that are suitable to stream media content over HTTP. Typically, the DASH client adaptively requests small chunks of media based on the available bandwidth ... -
Evaluating the performance of apple’s low-latency HLS
Durak, Kerem; Akçay, Mehmet Necmettin; Erinç, Yiğit Kemal; Pekel, Boran; Beğen, Ali Cengiz (IEEE, 2020-09-21)In its annual developers conference in June 2019, Apple has announced a backwards-compatible extension to its popular HTTP Live Streaming (HLS) protocol to enable low-latency live streaming. This extension offers new ... -
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Foreword
Beğen, Ali Cengiz; Timmerer, C.; Zimmermann, R.; Schierl, T. (Association for Computing Machinery, Inc, 2018-06-12)N/A -
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Foreword
Toni, L.; Beğen, Ali Cengiz; Alay, O.; Timmerer, C. (The ACM Digital Library, 2020-05)N/A -
A framework for adaptive delivery of omnidirectional video
Timmerer, C.; Beğen, Ali Cengiz (Society for Imaging Science and Technology, 2018)Omnidirectional or 360-degree videos are considered as a next step towards a truly immersive media experience. Such videos allow the user to change her/his viewing direction while consuming the video. The download-and-play ... -
Game of protocols: Is QUIC ready for prime time streaming?
Arısu, Şevket; Yıldız, Ertan; Beğen, Ali Cengiz (Wiley, 2020-05)Quick User Datagram Protocol (UDP) Internet Connections (QUIC) is an experimental and low-latency transport protocol proposed by Google, which is still being improved and specified in the Internet Engineering Task Force ... -
Game of streaming players: Is consensus viable or an illusion?
Bentaleb, A.; Beğen, Ali Cengiz; Harous, S.; Zimmermann, R. (Association for Computing Machinery, Inc, 2019-08)The dramatic growth of HTTP adaptive streaming (HAS) traffic represents a practical challenge for service providers in satisfying the demand from their customers. Achieving this in a network where multiple players share ... -
Game theory based bitrate adaptation for Dash.Js reference player
Bentaleb, A.; Beğen, Ali Cengiz; Zimmermann, R. (IEEE, 2018-11-28)Most existing DASH adaptive bitrate (ABR) schemes are designed to behave in their own self-interest and do not perform consistently in all network environments. In this work, we provide a practical implementation, materials ... -
Guest editorial trustworthiness in social multimedia analytics and delivery
Su, Z.; Fang, Q.; Wang, H.; Mehrotra, S.; Beğen, Ali Cengiz; Ye, Q.; Cavallaro, A. (IEEE, 2019-03)The papers in this special issue focus on trustworthiness in multimedia communications. Recently, social multimedia content is being delivered to users with a high quality of experience (QoE) with the advance of multimedia ... -
HTTP adaptive streaming over multiple network interfaces
Kara, Burak; Öztürk, Kemal Sarp; Beğen, Ali Cengiz (The ACM Digital Library, 2020-05)Enhancing user experience in streaming applications is an important problem. Delivering the best quality possible for the given network conditions is not an easy task. In the case of a streaming client running in a multi-homed ... -
HTTP adaptive streaming with advanced transport
Arısu, Şevket (2018-09)QUIC (Quick UDP Internet Connections) is an experimental and low-latency transport network protocol proposed by Google, which is still being improved and specified in the IETF. The viewer's quality of experience (QoE) in ...
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