sobel_operator: Sobel-Feldman operator for edge detection
In BoundaryStats: Boundary Overlap Statistics
View source: R/sobel_operator.R
sobel_operator R Documentation
Sobel-Feldman operator for edge detection
Description
Uses a Sobel-Feldman operator (3x3 kernel) to detect internal edges in a SpatRaster object.
Usage
sobel_operator(x)
Arguments
x
A SpatRaster object.
Value
A SpatRaster object with boundary values.
Author(s)
Amy Luo
Examples
data(T.cristatus)
T.cristatus <- terra::rast(T.cristatus_matrix, crs = T.cristatus_crs)
terra::ext(T.cristatus) <- T.cristatus_ext
edges <- sobel_operator(T.cristatus)
terra::plot(edges)
BoundaryStats documentation built on Aug. 8, 2025, 6:12 p.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
View source: R/sobel_operator.R
| sobel_operator | R Documentation |
Sobel-Feldman operator for edge detection
Description
Uses a Sobel-Feldman operator (3x3 kernel) to detect internal edges in a SpatRaster object.
Usage
sobel_operator(x)
Arguments
x |
A SpatRaster object. |
Value
A SpatRaster object with boundary values.
Author(s)
Amy Luo
Examples
data(T.cristatus)
T.cristatus <- terra::rast(T.cristatus_matrix, crs = T.cristatus_crs)
terra::ext(T.cristatus) <- T.cristatus_ext
edges <- sobel_operator(T.cristatus)
terra::plot(edges)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.