Touch issues, software related?

[AC Question]

The reason I would guess it's software or something like that is because it seems like the screen works perfectly when it works...
As you can see in the video the screen completly "ignores" my finger, but eventually it "accepts" it.
This is something that happens every day, but not every time. Sometimes it also ignores the finger longer.
Extremly annoying when there's an sms or something you want to check and maybe even answer.

I've tried searching on Google to see if I find something like this but I don't really know what to ask, so why not show?
Again, you see the video of the phone ignoring me at first and then when it doesn't it works perfectly and quick..

Anybody know anything?

http s://w ww.youtube.com/watch?v=b1XeCuZ1h4A
Space between P & S and W & W, because I can't post links and well.
I can't explain my problem good enough so I need to show!

 

[B. Diddy]

Welcome to Android Central! Try booting into Recovery Mode and wiping the cache partition, which won't erase any personal data: Reset: Samsung Galaxy S 5 | T-Mobile Support

You could also try booting into Safe Mode (steps are at the bottom of that link), which temporarily disables all 3rd party apps. If the problem goes away, then you know that something you installed is causing problems.

Last resort is a full factory reset. If the problem persists even after that, then it's most likely a hardware problem.