2 Replies Latest reply on Jan 24, 2018 3:06 PM by Number 7

    What is the Formula of Histogram's datum in Photoshop ?

    Number 7 Level 1

      Official Website Describes the data of Histogram very brief, But I don't really understand it.  I just wanna know the algorithm of it

      So, here is the datum,


      Std Dev (Standard deviation)