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Volume: 29 | Article ID: art00014
Subjective evaluation of distortions in first-person videos
  DOI :  10.2352/ISSN.2470-1173.2017.14.HVEI-125  Published OnlineJanuary 2017

First-person videos (FPVs) recorded by wearable cameras have different characteristics compared to mobile videos. Video frames in FPVs are subject to blur, rotation, shear and fisheye distortions. We design a subjective test that uses actual captured images with real distortions, synthetic distortions or a combination of both. Results indicate shear is less sensitive to content than rotation. For fisheye, personal preference and content dependence affect the subjective results. The performance of 7 noreference (NR) quality estimators (QEs) and our QE, local visual information (LVI) [1], are evaluated based on subjective results. We propose two mapping functions for rotation and shear that improve the ability of LVI and 4 NR QEs to accurately predict the subjective scores.

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Chen Bai, Amy R. Reibman, "Subjective evaluation of distortions in first-person videosin Proc. IS&T Int’l. Symp. on Electronic Imaging: Human Vision and Electronic Imaging,  2017,  pp 110 - 117,

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Copyright © Society for Imaging Science and Technology 2017
Electronic Imaging
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