Browsing by Author "Beğen, Ali Cengiz"
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Dynamic CDN switching - dash-if content steering in dash.js
Silhavy, D.; Law, W.; Pham, S.; Beğen, Ali Cengiz; Giladi, A.; Balk, A. (ACM, 2023-06-16)This paper overviews the content steering specification currently being developed in DASH Industry Forum and first implemented in the dash.js reference player. -
Enhancement of 360-video experience during head motion
Efficient use of available bandwidth is vital when streaming 360-degree videos, as users rarely have enough bandwidth for a pleasant experience. The combination of viewport-dependent streaming (VDS) and rate adaptation is ... -
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 ... -
From capturing to rendering: Volumetric media delivery with six degrees of freedom
Van Der Hooft, J.; Vega, M. T.; Wauters, T.; Timmerer, C.; Beğen, Ali Cengiz; De Turck, F.; Schatz, R. (IEEE, 2020-10)Technological improvements are rapidly advancing holographic-type content distribution. Significant research efforts have been made to meet the low latency and high bandwidth requirements set forward by interactive ... -
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 ... -
Head-motion-aware viewport margins for improving user experience in immersive video
Akçay, Mehmet Necmettin; Kara, Burak; Ahsan, S.; Beğen, Ali Cengiz; Curcio, I.; Aksu, E. (ACM, 2022-01-10)Viewport-dependent delivery (VDD) is a technique to save network resources during the transmission of immersive videos. However, it results in a non-zero motion-to-high-quality delay (MTHQD), which is the delta time from ... -
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 ... -
Implementation of SAND architecture Using SDN
Kalan, R. S.; Sayit, M.; Beğen, Ali Cengiz (IEEE, 2018)The server and network-assisted DASH (SAND) concept aims to increase the performance of Dynamic Adaptive Streaming over HTTP (DASH) systems. As being one of the future Internet technologies, SDN provides advantages to ...
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