Paper
4 August 2010 Video quality metric for temporal fluctuation measurement
Jie Xiang Yang, Hong Ren Wu
Author Affiliations +
Proceedings Volume 7744, Visual Communications and Image Processing 2010; 77440V (2010) https://doi.org/10.1117/12.863349
Event: Visual Communications and Image Processing 2010, 2010, Huangshan, China
Abstract
Temporal fluctuation artifact is often observed in digitally compressed video. However, the fluctuation intensity cannot be correctly measured by the traditional image/video quality metric, e.g., the peak signal-to-noise ratio (PSNR), which only addresses on the quality of a single image. Although there are several metrics proposed for temporal fluctuation measurement, e.g., the sum of squared differences (SSD) and motion compensated SSD (MCSSD), these first difference based algorithms may falsely treat a smoothly continuous change of pixels as the temporal fluctuation artifact. To overcome this problem, this contribution proposes a second difference based temporal metric, named the motion estimated mean scaled absolute second difference (MEMSASD) The performance of the MEMSASD is examined using a number of video sequences with varying degrees of temporal fluctuation, which are generated by an H.264/AVC compliant codec. Compared with existing metrics such as the PSNR, the SSD and the MCSSD, the results of the proposed metric better reflect the temporal fluctuation intensity.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jie Xiang Yang and Hong Ren Wu "Video quality metric for temporal fluctuation measurement", Proc. SPIE 7744, Visual Communications and Image Processing 2010, 77440V (4 August 2010); https://doi.org/10.1117/12.863349
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KEYWORDS
Video

Video compression

Image quality

Video processing

Motion estimation

Image compression

Motion measurement

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