The Polymathic Engineer

The Polymathic Engineer

Linear Interpolation

How linear interpolation works in Image Processing and Computer Graphics.

Franco Fernando's avatar
Franco Fernando
Sep 05, 2025
∙ Paid

Hi Friends,

Welcome to the 138th issue of the Polymathic Engineer newsletter.

This week, we talk about linear interpolation, which is one of the most important algorithms in computer graphics. The outline will be as follows:

  • Linear Interpolation

  • Bilinear Interpolation: The 2D Approach

  • Trilinear Interpolation: Moving to 3D

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