#algorithm #image #image-processing #image-comparison #picture-processing


Average hash is an algorithm to create a hash for a picture that identifies it despite slight changes, changes in contrast and such.

  1. Reduce size to 8x8
  2. Convert to gray scale
  3. Compute the average color
  4. Convert each pixel to a bit based on whether it's above or below the average
  5. Transform the 64 bitmap into a 64 integer.




Hacker Factor / Looks like it