Hey @Russy_18,
What version of Unreal are you using? If you are using 4.27, there is now a plugin that does just what you are looking for:
If not, it looks like your best bet is to use the Image Wrapper Class using C++. Check out the following thread that looks to be more geared and has a solution to what you are looking for:
I hope one of the above solutions works for you!