Pretty sure TikTok filters do the same and was also a major influence in using that term

They do. I made a joke about cocaine in old Coca-Cola in a text caption† on a video, and while TikTok didn't ban the post per se it refused to allow it on the FYP.

† proving that TikTok's system actually analyzes every frame of an uploaded video with OCR of some sort to see what's on there.