Anisotropic Diffusion Filter¶
Summary¶
Apply a Perona-Malik filter to raster.
The Perona-Malik filter is an edge-preserving, anisotropic diffusion filter.
References¶
[1] P. Perona and J. Malik. Scale-space and edge detection using ansotropic diffusion. IEEE Transactions on Pattern Analysis and Machine Intelligence, 12(7):629-639, July 1990.
[2] M.J. Black, G. Sapiro, D. Marimont, D. Heeger Robust anisotropic diffusion. IEEE Transactions on Image Processing, 7(3):421-432, March 1998.
Tags:perona-malik, filter, edge sharpening
Usage¶
No Description Yet.
Parameters¶
| Parameter | Description | Type |
|---|---|---|
Input Raster
INPUT
|
QgsProcessingParameterRasterLayer | |
Bands To Process
BANDS
|
Default value: [1]
|
QgsProcessingParameterBand |
Number of Iterations
ITERATIONS
|
Default value: 1
|
QgsProcessingParameterNumber |
Conduction coefficient Kappa
KAPPA
|
Default value: 50
|
QgsProcessingParameterNumber |
Diffusion rate
GAMMA
|
Default value: 0.25
|
QgsProcessingParameterNumber |
Diffusion function
METHOD
|
Default value: 1
|
QgsProcessingParameterEnum |
Filtered (Anisotropic Diffusion)
OUTPUT
|
QgsProcessingParameterRasterDestination |