MP-PSNR metric is proposed for the evaluation of DIBR-synthesized views with non-uniform geometric distortions affecting the edges. It is much better correlated to human judgement than standard image quality assessment metrics. MP-PSNR metric is based on morphological pyramid decomposition and mean squared errors on pyramid detail images. Better performances are achieved by reduced version of MP-PSNR using only detail images from higher pyramid scales. PSNR calculated for detail images at higher morphological pyramid scale shows very good agreement with human judgement.
The Matlab code for the full (basic) version of MP-PSNR metric using all pyramid images is available in the file mp_psnr.m included in the code_MPPSNR.zip on the bottom.
The Matlab code for the reduced (improved) version of MP-PSNR is available in the file mp_psnr_reduc.m included in the code_MPPSNR.zip on the bottom.
The Matlab code for the calculation of PSNR at higher morphological pyramid scale is in the file psnr_ dx.m included in the code_MPPSNR.zip on the bottom.
The full (basic) version of the metric MP-PSNR is introduced in :
D. Sandić-Stanković, D. Kukolj, P. Le Callet, “DIBR synthesized image quality assessment based on morphological pyramids”, 3DTV-CON Immersive and interactive 3D media experience over networks, Lisbon, July 2015
The reduced (improved) version of the metric MP-PSNR is introduced in :
D. Sandić-Stanković, D. Kukolj, P. Le Callet, “Multi–Scale Synthesized View Assessment Based on Morphological Pyramids”, Journal of Electrical Engineering, Vol. 67 (1), pp. 1–9, 2016 http://iris.elf.stuba.sk/JEEEC/data/pdf/1_116-01.pdf
The performances of the metric MP-PSNR evaluated on the part of the stereoscopic image database MCL-3D which contains DIBR-synthesized stereo pairs are presented in:
D. Sandić-Stanković, D. Kukolj, P. Le Callet, “DIBR synthesized image quality assessment based on morphological multiscale approach”, EURASIP Journal on Image and Video Processing 2017: 4, 2016 http://link.springer.com/article/10.1186/s13640-016-0124-7
The performances of the metric MP-PSNR evaluated on the part of the Free-Viewpoint synthesized video database are presented in:
D. Sandić-Stanković, F. Battisti, D. Kukolj, P. LeCallet, M. Carli, “Free viewpoint video quality assessment based on morphological multiscale metrics”, International Workshop on Quality of Multimedia Experience QoMEX, Lisbon, Jun 2016