The anti-aliasing you’ll find in DLSS and FSR is TAA, but it’s really good TAA. In most cases, it’s less prone to artifacts like ghosting and usually comes with a sharpening filter attached.
Anti-aliasing techniques have been around for many ... TxAA (temporal AA) was designed by NVIDIA for action scenes and adds filters used in CGI. TxAA reduces motion crawling and flickering.