Determining multimediastreaming content
This Master Thesis report was written by Umeå University Engineering Physics student Richard Tano during his thesis work at Ericsson Luleå. Monitoring network quality is of utmost importance to network providers. This can be done with models evaluating QoS (Quality of Service) and conforming to ITU-...
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ftumeauniv:oai:DiVA.org:umu-50376 2023-10-09T21:53:24+02:00 Determining multimediastreaming content Bestämning av innehåll på multimedia-strömmar Tano, Richard 2011 application/pdf http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-50376 eng eng Institutionen för fysik http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-50376 info:eu-repo/semantics/openAccess multimedia streams video streams video content coding complexity parametric models QoS MOS ITU-T P.NAMS regression frequent patterns Computer Sciences Datavetenskap (datalogi) Mathematical Analysis Matematisk analys Student thesis info:eu-repo/semantics/bachelorThesis text 2011 ftumeauniv 2023-09-22T13:47:53Z This Master Thesis report was written by Umeå University Engineering Physics student Richard Tano during his thesis work at Ericsson Luleå. Monitoring network quality is of utmost importance to network providers. This can be done with models evaluating QoS (Quality of Service) and conforming to ITU-T Recommendations. When determining video stream quality there is of more importance to evaluatethe QoE (Quality of Experience) to understand how the user perceives the quality. This isranked in MOS (Mean opinion scores) values. An important aspect of determining the QoEis the video content type, which is correlated to the coding complexity and MOS values ofthe video. In this work the possibilities to improve quality estimation models complying to ITU-T study group 12 (q.14) was investigated. Methods were evaluated and an algorithm was developed that applies time series analysis of packet statistics for determination of videostreams MOS scores. Methods used in the algorithm includes a novel assembling of frequentpattern analysis and regression analysis. A model which incorporates the algorithm for usage from low to high bitrates was dened. The new model resulted in around 20% improvedprecision in MOS score estimation compared to the existing reference model. Furthermore an algorithm using only regression statistics and modeling of related statistical parameters was developed. Improvements in coding estimation was comparable with earlier algorithm but efficiency increased considerably. Detta examensarbete skrevs av Richard Tano student på Umeå universitet åt Ericsson Luleå. Övervakning av nätets prestanda är av yttersta vikt för nätverksleverantörer. Detta görs med modeller för att utvärdera QoS (Quality of Service) som överensstämmer med ITU-T rekommendationer. Vid bestämning av kvaliten på videoströmmar är det mer meningsfullt att utvärdera QoE (Quality of Experience) för att få insikt i hur användaren uppfattar kvaliten. Detta graderas i värden av MOS (Mean opinion score). En viktig aspekt för att bestämma QoE är ... Bachelor Thesis Luleå Luleå Luleå Umeå University: Publications (DiVA) |
institution |
Open Polar |
collection |
Umeå University: Publications (DiVA) |
op_collection_id |
ftumeauniv |
language |
English |
topic |
multimedia streams video streams video content coding complexity parametric models QoS MOS ITU-T P.NAMS regression frequent patterns Computer Sciences Datavetenskap (datalogi) Mathematical Analysis Matematisk analys |
spellingShingle |
multimedia streams video streams video content coding complexity parametric models QoS MOS ITU-T P.NAMS regression frequent patterns Computer Sciences Datavetenskap (datalogi) Mathematical Analysis Matematisk analys Tano, Richard Determining multimediastreaming content |
topic_facet |
multimedia streams video streams video content coding complexity parametric models QoS MOS ITU-T P.NAMS regression frequent patterns Computer Sciences Datavetenskap (datalogi) Mathematical Analysis Matematisk analys |
description |
This Master Thesis report was written by Umeå University Engineering Physics student Richard Tano during his thesis work at Ericsson Luleå. Monitoring network quality is of utmost importance to network providers. This can be done with models evaluating QoS (Quality of Service) and conforming to ITU-T Recommendations. When determining video stream quality there is of more importance to evaluatethe QoE (Quality of Experience) to understand how the user perceives the quality. This isranked in MOS (Mean opinion scores) values. An important aspect of determining the QoEis the video content type, which is correlated to the coding complexity and MOS values ofthe video. In this work the possibilities to improve quality estimation models complying to ITU-T study group 12 (q.14) was investigated. Methods were evaluated and an algorithm was developed that applies time series analysis of packet statistics for determination of videostreams MOS scores. Methods used in the algorithm includes a novel assembling of frequentpattern analysis and regression analysis. A model which incorporates the algorithm for usage from low to high bitrates was dened. The new model resulted in around 20% improvedprecision in MOS score estimation compared to the existing reference model. Furthermore an algorithm using only regression statistics and modeling of related statistical parameters was developed. Improvements in coding estimation was comparable with earlier algorithm but efficiency increased considerably. Detta examensarbete skrevs av Richard Tano student på Umeå universitet åt Ericsson Luleå. Övervakning av nätets prestanda är av yttersta vikt för nätverksleverantörer. Detta görs med modeller för att utvärdera QoS (Quality of Service) som överensstämmer med ITU-T rekommendationer. Vid bestämning av kvaliten på videoströmmar är det mer meningsfullt att utvärdera QoE (Quality of Experience) för att få insikt i hur användaren uppfattar kvaliten. Detta graderas i värden av MOS (Mean opinion score). En viktig aspekt för att bestämma QoE är ... |
format |
Bachelor Thesis |
author |
Tano, Richard |
author_facet |
Tano, Richard |
author_sort |
Tano, Richard |
title |
Determining multimediastreaming content |
title_short |
Determining multimediastreaming content |
title_full |
Determining multimediastreaming content |
title_fullStr |
Determining multimediastreaming content |
title_full_unstemmed |
Determining multimediastreaming content |
title_sort |
determining multimediastreaming content |
publisher |
Institutionen för fysik |
publishDate |
2011 |
url |
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-50376 |
genre |
Luleå Luleå Luleå |
genre_facet |
Luleå Luleå Luleå |
op_relation |
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-50376 |
op_rights |
info:eu-repo/semantics/openAccess |
_version_ |
1779316654150254592 |