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).

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \rho = x \cos\theta + y \sin\theta}

The new image will be