Jump to content

How can I do this?


Recommended Posts

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%.

gray.thumb.jpg.63a97d96a09164a4b0095f2f6

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.

step1.thumb.jpg.279d76e04abe37bb01e46ac8    56c976be88938_step2.png.00dba31c17bb585756c976c0eb7f3_step3.jpg.1537cedd9bd7c68b

 

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

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

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
×
×
  • Create New...