2006•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access
Stabilizing viewing distances in subjective assessment of mobile video
Matthew D. Brotherton, David Hands, Kjell E. Brunnstrom, Jimmy Jönsson, Öscan A. Soysuren
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Abstract
The perceptual quality of mobile video is affected by many factors, including codec selection, compression rate, network performance and device characteristics. Given the options associated with generating and transmitting mobile video, there is an industry requirement for video quality measurement tools to ensure that the best achievable quality is delivered to customers. International standards bodies are now considering alternative multimedia perceptual quality methods for mobile video. In order to fairly evaluate the performance of objective perceptual quality metrics, it is important that the subjective testing provides stable and reliable subjective data. This paper describes subjective studies examining the effect of viewing distance in subjective quality assessment of low resolution video.