Lineart: Difference between revisions
From wikiluntti
Line 4: | Line 4: | ||
* 2d FFT | * 2d FFT | ||
* Optimization | * Optimization | ||
== Radon Transform == | |||
The sum of the intensities in each direction (a line integral). | |||
<math>\rho = x \cos\theta + y \sin\theta</math> | |||
The new image will be | |||
<math>R(\rho, \theta) = \int \it f(x,y) \delta( \rho - x \cos\theta + y \sin\theta) dx dy</math> |
Revision as of 14:36, 24 October 2024
Introduction
- Radon transform (inverse of)
- 2d FFT
- Optimization
Radon Transform
The sum of the intensities in each direction (a line integral).
The new image will be