Browsing by Author "Beğen, Ali Cengiz"
Now showing items 1-20 of 39
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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, ... -
Common media client data (CMCD): Initial findings
Bentaleb, A.; Lim, M.; Akçay, Mehmet Necmettin; Beğen, Ali Cengiz; Zimmermann, R. (Association for Computing Machinery, Inc, 2021-07-16)In September 2020, the Consumer Technology Association (CTA) published the CTA-5004: Common Media Client Data (CMCD) specification. Using this specification, a media client can convey certain information to the content ... -
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 ... -
Content-aware playback speed control for low-latency live streaming of sports
Aladağ, Ö. F.; Uğur, Deniz; Akçay, Mehmet Necmettin; Beğen, Ali Cengiz (The ACM Digital Library, 2021)There are two main factors that determine the viewer experience during the live streaming of sports content: latency and stalls. Latency should be low and stalls should not occur. Yet, these two factors work against each ... -
COSMOS on steroids: a Cheap detector for cheapfakes
Akgül, T.; Civelek, Tuğçe Erkılıç; Uğur, Deniz; Beğen, Ali Cengiz (The ACM Digital Library, 2021)The growing prevalence of visual disinformation has become an important problem to solve nowadays. Cheapfake is a new term used for the altered media generated by non-AI techniques. In their recent COSMOS work, the authors ... -
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 ... -
Foreword
Toni, L.; Beğen, Ali Cengiz; Alay, O.; Timmerer, C. (The ACM Digital Library, 2020-05)N/A -
Foreword
Beğen, Ali Cengiz; Timmerer, C.; Zimmermann, R.; Schierl, T. (Association for Computing Machinery, Inc, 2018-06-12)N/A -
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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 ...
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