PHP Image Compare Script

by Raf

Light&Fast PHP Image compare library that improve photo management on your site.

Find duplicate photos, find similar images. Improve you content quality, eliminate spam.

Image Compare/Similarity in dog sample


  • Lightweight and fast library
  • It does not require additional libraries
  • Independent of the type of database
  • The ability to dynamically change the "sensitivity"
  • It works well for both the photograph as the picture drawing, coloring

The use of

  • Sites with photos
  • Photo stocks
  • Website of content being added by users

The resulting goals

  • Save the transfer and disk space
  • Improving the quality of content
  • Eliminate spam

Effectivity resistance to

  • change contrast
  • change color to B&W and vice versa
  • change the size / compression & dimensions
  • crop
  • add/remove frames
  • mirror (horizontal)
  • add/remove elements in the photo (captions, text, watermarks, selections, signs, arrows, etc)