MW-PSNR metric is proposed for the evaluation of DIBR-synthesized views with non-uniform geometric distortions affecting the edges. It is very fast in calculation. It is much better correlated to human judgement than standard image quality assessment metrics. MW-PSNR metric is based on morphological wavelet decomposition and mean squared errors of wavelet subbands. Better performances are achieved by reduced version of MW-PSNR which uses only wavelet subbands from higher decomposition scales. PSNR calculated for the morphological wavelet subbands at higher decomposition scales show very good agreement with human judgement.
The Matlab code for the full (basic) version of MW-PSNR metric using all wavelet subbands is available in the file full_mw_psnr.m included in the code_MWPSNR.zip on the bottom.
The Matlab code for the reduced (improved) version of MW-PSNR is available in the file mw_psnr_reduc.m included in the code_MWPSNR.zip on the bottom.
The Matlab code for the calculation of PSNR for one pair of subbands is in the file psnr_subb_dx.m included in the code_MWPSNR.zip on the bottom.
The metric MW-PSNR evaluated on IRCCyN/IVC DIBR image database is inroduced in:
D. Sandić-Stanković, D. Kukolj, P. Le Callet, “DIBR synthesized image quality assessment based on morphological wavelets”, International Workshop on Quality of Multimedia Experience QoMEX, Costa Navarino, Greece, May 2015 http://i-guide.org/app/Papers/74.pdf
The performances of the metric MW-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 MW-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