CVD2014 - A Database for Evaluating No-Reference Video Quality Assessment Algorithms

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

Tutkijat

  • Mikko Nuutinen
  • Toni Virtanen
  • Mikko Vaahteranoksa
  • Tero Vuori
  • Pirkko Oittinen
  • Jukka Häkkinen

Organisaatiot

  • University of Helsinki
  • Microsoft Research Asia

Kuvaus

In this paper, we present a new video database: CVD2014 - Camera Video Database. In contrast to previous video databases, this database uses real cameras rather than introducing distortions via post-processing, which results in a complex distortion space in regard to the video acquisition process. CVD2014 contains a total of 234 videos that are recorded using 78 different cameras. Moreover, this database contains the observer-specific quality evaluation scores rather than only providing mean opinion scores. We have also collected open-ended quality descriptions that are provided by the observers. These descriptions were used to define the quality dimensions for the videos in CVD2014. The dimensions included sharpness, graininess, color balance, darkness, and jerkiness. At the end of this paper, a performance study of image and video quality algorithms for predicting the subjective video quality is reported. For this performance study, we proposed a new performance measure that accounts for observer variance. The performance study revealed that there is room for improvement regarding the video quality assessment algorithms. The CVD2014 video database has been made publicly available for the research community. All video sequences and corresponding subjective ratings can be obtained from the CVD2014 project page (http://www.helsinki.fi/psychology/groups/visualcognition/).

Yksityiskohdat

AlkuperäiskieliEnglanti
Artikkeli7464299
Sivut3073-3086
Sivumäärä14
JulkaisuIEEE Transactions on Image Processing
Vuosikerta25
Numero7
TilaJulkaistu - 1 heinäkuuta 2016
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

ID: 6454458