Interpolation is a way to find values between a pair of data points. The interpolation formula can be used to find the missing value. However, by drawing a straight line through two points on a curve, the value at other points on the curve can be approximated.

What is interpolation used for?

Interpolation is a simple mathematical method investors use to estimate an unknown price or potential yield of a security or asset by using related known values.

What does interpolation do to an image?

Interpolation adds information to the original image, which can introduce blurriness, artifacts, pixelation, and other issues that can degrade the image's quality.