imgUnsharpen: Unsharpens an image with selected mask
In matiasb/biOps: Image processing and analysis
Description
Usage
Arguments
Value
Examples
Description
This function unsharpens an image by convoluting with one of the following matrices:
1 || 2 || 3 1
0 -1 0 || -1 -1 -1 || 1 -2 1
-1 5 -1 || -1 9 -1 || -2 5 -2
0 -1 0 || -1 -1 -1 || 1 -2 1
Performs a difference between original image and sharpen convolved image with the specified mask
Usage
1
imgUnsharpen (imgdata, mask)
Arguments
imgdata
The image
mask
The matrix to be used in the convolution. Must be one of 1, 2, 3 (default=1)
Value
return an imagedata object
Examples
1
2
3
4
5
## Not run:
x <- readJpeg(system.file("samples", "violet.jpg", package="biOps"))
y <- imgUnsharpen(x, 2)
## End(Not run)
matiasb/biOps documentation built on May 21, 2019, 12:55 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.
Description Usage Arguments Value Examples
Description
This function unsharpens an image by convoluting with one of the following matrices:
| 1 | || | 2 | || | 3 | 1 | |||||
| 0 | -1 | 0 | || | -1 | -1 | -1 | || | 1 | -2 | 1 |
| -1 | 5 | -1 | || | -1 | 9 | -1 | || | -2 | 5 | -2 |
| 0 | -1 | 0 | || | -1 | -1 | -1 | || | 1 | -2 | 1 |
Performs a difference between original image and sharpen convolved image with the specified mask
Usage
1 | imgUnsharpen (imgdata, mask)
|
Arguments
imgdata |
The image |
mask |
The matrix to be used in the convolution. Must be one of 1, 2, 3 (default=1) |
Value
return an imagedata object
Examples
1 2 3 4 5 | ## Not run:
x <- readJpeg(system.file("samples", "violet.jpg", package="biOps"))
y <- imgUnsharpen(x, 2)
## End(Not run)
|
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.