From 05c011e842195272f6147e17e5eb734d7d034ba4 Mon Sep 17 00:00:00 2001 From: Aitik Gupta Date: Sat, 14 Nov 2020 08:17:44 +0530 Subject: [PATCH] Small typo-fix --- .../video-input-psnr-ssim/video_input_psnr_ssim.markdown | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/tutorials/videoio/video-input-psnr-ssim/video_input_psnr_ssim.markdown b/doc/tutorials/videoio/video-input-psnr-ssim/video_input_psnr_ssim.markdown index 08cc596964..ffd4d0213e 100644 --- a/doc/tutorials/videoio/video-input-psnr-ssim/video_input_psnr_ssim.markdown +++ b/doc/tutorials/videoio/video-input-psnr-ssim/video_input_psnr_ssim.markdown @@ -131,7 +131,7 @@ For properties you can read and change look into the documentation of the @ref c We want to check just how imperceptible our video converting operation went, therefore we need a system to check frame by frame the similarity or differences. The most common algorithm used for this is the PSNR (aka **Peak signal-to-noise ratio**). The simplest definition of this starts out -from the *mean squad error*. Let there be two images: I1 and I2; with a two dimensional size i and +from the *mean squared error*. Let there be two images: I1 and I2; with a two dimensional size i and j, composed of c number of channels. \f[MSE = \frac{1}{c*i*j} \sum{(I_1-I_2)^2}\f]