Gaussian Scale Space
scalespace.h implements a scale space, a data structure fundamental in the computation of covariant features such as SIFT, Hessian-Affine, Harris-Affine, Harris-Laplace, etc.
- Overview
- scalespace-usage
- scalespace-tech
Overview
A scale space is a data structure representing an image at multiple resolution levels. Mathematically, it is defined as a three-dimensional function of two spatial coordinates (usually denoted as $f x
y
({x})
I_0
I_{}
= 0.5
= 1.6
o_{}