redshift Posted February 21, 2016 Share Posted February 21, 2016 Hello. I want to calculate standard deviation of color values of the pixels of a photo given below. I have seen this on some website and the standard deviation mentioned by that website of this pic is 4.207%. They have mentioned steps that how they have done it which I am also attaching as a image. Problem is am not able to understand that how they have done it. Please help me calculating this standard deviation and also how to process a image using Gaussian Blur. Thank you. Link to comment Share on other sites More sharing options...
Damien Symonds Posted February 21, 2016 Share Posted February 21, 2016 Why? Link to comment Share on other sites More sharing options...
redshift Posted February 21, 2016 Author Share Posted February 21, 2016 What are you trying to ask sir? Link to comment Share on other sites More sharing options...
Damien Symonds Posted February 21, 2016 Share Posted February 21, 2016 Why are you contemplating this nonsense? Link to comment Share on other sites More sharing options...
redshift Posted February 21, 2016 Author Share Posted February 21, 2016 Actually I want to give ratings about the best tv screen. So by doing this, I will be able to know how uniform colors are on a particular screen. Do you have any idea about how can I do this? Link to comment Share on other sites More sharing options...
Damien Symonds Posted February 21, 2016 Share Posted February 21, 2016 Yes, you temporarily plug the TV in to your computer to act as a monitor, then use the excellent testing features of the X-Rite i1 Display Pro calibration device. It gives very accurate readings of the brightness and temperature in each section of a 3x3 grid on the screen. Link to comment Share on other sites More sharing options...
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