@inproceedings{Saupe2016Crowd-35942,
  year={2016},
  title={Crowd workers proven useful : a comparative study of subjective video quality assessment},
  booktitle={QoMEX 2016 : 8th International Conference on Quality of Multimedia Experience},
  author={Saupe, Dietmar and Hahn, Franz and Hosu, Vlad and Zingman, Igor and Rana, Masud and Li, Shujun}
}

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    <dc:creator>Hosu, Vlad</dc:creator>
    <dc:creator>Rana, Masud</dc:creator>
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    <dc:contributor>Hosu, Vlad</dc:contributor>
    <dc:contributor>Rana, Masud</dc:contributor>
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    <dc:creator>Li, Shujun</dc:creator>
    <dc:contributor>Saupe, Dietmar</dc:contributor>
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    <dc:creator>Hahn, Franz</dc:creator>
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    <dc:contributor>Li, Shujun</dc:contributor>
    <dcterms:title>Crowd workers proven useful : a comparative study of subjective video quality assessment</dcterms:title>
    <dc:contributor>Hahn, Franz</dc:contributor>
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    <dc:creator>Zingman, Igor</dc:creator>
    <dcterms:abstract xml:lang="eng">We   carried   out   crowdsourced   video   quality   as- sessments  using  paired  comparisons  and  converting  the  results to  differential  mean  opinion  scores  (DMOS).  A  previous  lab- based study had provided corresponding MOS-values for absolute category  ratings.  Using  a  simple  linear  transformation  to  fit  the crowdsourcing-based DMOS values to the lab-based MOS values, we  compared  the  results  in  terms  of  correlation  coefficients  and visually checked the relationship on scatter plots. The comparison result is surprisingly good with correlation coefficients more than 0.96, although (1) the original video sequences had to be cropped and downscaled in the crowdsourcing-based experiments, (2) the control  of  the  experimental  setup  for  the  crowdsourcing  case was  much  less  and  (3)  it  was  widely  believed  that  data  from crowdsourcing  workers  are  less  reliable.  Our  result  suggests crowdsourcing  workers  can  actually  be  used  to  collect  reliable VQA  data  in  some  applications.</dcterms:abstract>
    <dc:creator>Saupe, Dietmar</dc:creator>
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    <dc:contributor>Zingman, Igor</dc:contributor>
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