Image Sampling

Updated 22 Sep 2026

•
What it is
- •
  discretizing the spatial coordinates at which an image is measured or represented
•
Effect
- •
  determines the number and spacign of spatial samples
- •
  insufficient sampling can lose detail or produce aliasing
•
Example
- •
  representing a scene with $640 \times 480$ grid instead of a $1280\times960$ grid
•
Distinguish from
- •
  Image Quantization - discretizing the values at those positions
- •
  Sampling (Statistics) - selecting observational units from a population
•
Related
- •
  Pixel

Linked references 3