date: 2024-09-13
title: "Image Pyramid"
status: DONE
author:
  - AllenYGY
tags:
  - NOTE
  - Computer-Vision
publish: True

Image Pyramid

Gaussian Pyramid

For each level

1D Case

1D Gaussian

Downsampled Gaussian Pyramid Level 0
Upsampled Gaussian Pyramid Level 0

Laplacian Filter =

Compute the difference between upsampled Gaussian pyramid level k+1 and Gaussian pyramid level k.

Laplacian Pyramid