Creating Comparison Two texture

Hello Everyone !

I need you help to create a system Comparison of 2 textures, i screen a pic and compare to another pic
is possible to create this system https://huddle.github.io/Resemble.js/ on C++ and on Blueprint

Example :
Sans titre.png

Pictures = Textures & Pic1/Pic2 = Texture 1/Texture 2
Thanks !

Other example :
http://depts.washington.edu/madlab/proj/dollar/index.html

Nobody can help me ?

You posted it in the wrong section, this should probably be in Rendering. But maybe you could do this with a material function.