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Conina on 22 April 2017
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Peh said:
curl-6 said:

The human eye does not see in square pixels, so aliasing is by its very nature an unnatural, artificial distortion. A properly anti-aliased image is more natural and pleasing to the eye as the jagged artefacting has been suppressed.

The human eye cannot "see" on its own. It perceives a certain frequency of electro magnetic waves through it's photoreceptors and translates it into impulses which are send to the brain where an image is being processed and filters being applied. The "see" part is accomplished by the brain.

There are a certain limited amount of photreceptors positioned in your eye that are similar to a cmos in a camera. It's not like real aliasing does not exist.

Yeah, the amount of photreceptors in the eye is limited. And if the screen resolution is high enough, the steps/breaks on an aliased line won't matter and it will be perceived as a straight line.

But 1080p in a normal viewing distance ain't enough for that, otherwise we wouldn't even see a difference between AA on and off in a game. If we all had 8K or 16K displays and unlimited processing power to natively support these resolutions, we wouldn't even need AA techniques, which are always a compromise to downsampling to keep the additionally needed processing power lower.