Remove aliasing from image

1. How aliasing can be removed?
2. What is aliasing in an image?

How aliasing can be removed?

Aliasing is removed using four methods: Using high-resolution display, Post filtering (Supersampling), Pre-filtering (Area Sampling), Pixel phasing.

What is aliasing in an image?

Sometimes called moiré or a glitch, aliasing is a phenomenon where a digital camera has trouble translating an intricate pattern. Aliasing can result in a number of odd visual artifacts in photos or videos.