NTIRE 2021 High Dynamic Range Challenge - Track 1 Single Frame Forum

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> SSIM score calculation

Hi there,
As the result section shows, the baseline SSIM score has been reported as 28.01. As far as I know, the SSIM score should be presented between 0 to 1. Is there any special variants of SSIM have been reported or it is a mistake? Please let us know.

Posted by: sharif_apu @ Jan. 25, 2021, 5:11 a.m.

As mentioned in the description and on the Results page
"Phase description

Note that in the Leaderboard: muPSNR is wrongfully named SSIM and PSNR is the standard PSNR"

Therefore, we are computing PSNR and muPSNR and place them in the "PSNR" and "SSIM" columns in the leaderboard.

Why is "SSIM" label there and can't be changed? Because of a bug on the codalab platform -- to fix that it would likely require deleting the current competition and recreating it.

Posted by: Radu @ Jan. 25, 2021, 8:19 a.m.

Thanks for clarification.

Posted by: sharif_apu @ Jan. 25, 2021, 9:34 a.m.
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