eprintid: 1533083
rev_number: 26
eprint_status: archive
userid: 608
dir: disk0/01/53/30/83
datestamp: 2016-12-24 23:47:00
lastmod: 2021-10-15 22:55:47
status_changed: 2017-05-16 15:31:50
type: proceedings_section
metadata_visibility: show
creators_name: Toni, L
creators_name: Aparicio-Pardo, R
creators_name: Simon, G
creators_name: Blanc, A
creators_name: Frossard, P
title: Optimal set of video representations in adaptive streaming
ispublished: pub
divisions: UCL
divisions: B04
divisions: C05
divisions: F46
note: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
abstract: Adaptive streaming addresses the increasing and heterogenous demand of multimedia content over the Internet by oéring several streams for each video. Each stream has a diérent resolution and bit rate, aimed at a specific set of users, e.g., TV, mobile phone. While most existing works on adaptive streaming deal with optimal playout-control strategies at the client side, in this paper we concentrate on the providers' side, showing how to improve user satisfaction by optimizing the encoding parameters. We formulate an integer linear program that maximizes users' average satisfaction, taking into account the network characteristics, the type of video content, and the user population. The solution of the optimization is a set of encoding parameters that outperforms commonly used vendor recommendations, in terms of user satisfaction and total delivery cost. Results show that video content information as well as network constraints and users' statistics play a crucial role in selecting proper encoding parameters to provide fairness among users and reduce network usage. By combining patterns common to several representative cases, we propose a few practical guidelines that can be used to choose the encoding parameters based on the user base characteristics, the network capacity and the type of video content.
date: 2014-03-19
date_type: published
publisher: ACM
official_url: http://dx.doi.org/10.1145/2557642.2557652
oa_status: green
full_text_type: other
language: eng
primo: open
primo_central: open_green
verified: verified_manual
elements_id: 1195915
doi: 10.1145/2557642.2557652
isbn_13: 9781450327053
lyricists_name: Toni, Laura
lyricists_id: LTONI29
full_text_status: public
series: ACM Multimedia Systems Conference
publication: Proceedings of the 5th ACM Multimedia Systems Conference, MMSys 2014
volume: 5
place_of_pub: New York, USA
pagerange: 271-282
event_title: MMSys '14: 5th ACM Multimedia Systems Conference, 19 March 2014, Singapore
book_title: MMSys '14: Proceedings of the 5th ACM Multimedia Systems Conference
editors_name: Zimmermann, R
citation:        Toni, L;    Aparicio-Pardo, R;    Simon, G;    Blanc, A;    Frossard, P;      (2014)    Optimal set of video representations in adaptive streaming.                     In: Zimmermann, R, (ed.) MMSys '14: Proceedings of the 5th ACM Multimedia Systems Conference.  (pp. pp. 271-282).  ACM: New York, USA.       Green open access   
 
document_url: https://discovery.ucl.ac.uk/id/eprint/1533083/1/Toni_optimal_set_of_video_representations.pdf