Image quality assessment: Difference between revisions

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Methods for Image quality assessment
Methods for Image quality assessment
The standard metrics are mean-squared error, peak signal to noise ratio (psnr), and structural similarity (ssim).
==Standard Images and Video==
* MSE
* PSNR
* SSIM


==Foveated Quality Assessment==
==Foveated Quality Assessment==

Revision as of 18:26, 26 August 2020

Methods for Image quality assessment

The standard metrics are mean-squared error, peak signal to noise ratio (psnr), and structural similarity (ssim).

Standard Images and Video

  • MSE
  • PSNR
  • SSIM

Foveated Quality Assessment

  • Lee et al.[1] propose Foveated signal to noise ratio (FSNR) which measures the signal to noise ratio in a curvilinear space. However they do not provide the exact equations to compute the curvilienar space.

Spherical Quality Assessment

  • Yu et al.[2] propose Spherical PSNR (SPSNR) and WSPSNR.

References

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  1. Sanghoon Lee, M.S. Pattichis, A.C. Bovik, (2002) Foveated video quality assessment IEEE Multimedia 2002.
  2. Matt Yu, Haricharan Lakshman, Bernd Girod (2015) A Framework to Evaluate Omnidirectional Video Coding Schemes ISMAR 2015.