Description Usage Arguments Value Author(s) References See Also Examples
View source: R/ImageAnalysis.R
Left and right distances from first black pixel to image edge.
1 |
imagematrix |
The matrix to be analysed |
width_size |
Real size of image width (in mm, cm, m, etc..). |
scale |
If FALSE do not ajust the output for real size. |
Distances without black pixel in each side of the picture
Carlos Biagolini-Jr.
Zehm et al 2003 Multiparameter analysis of vertical vegetation structure based on digital image processing. Flora-Morphology, Distribution, Functional Ecology of Plants, 198: 142-160.
threshold_color
1 2 3 4 5 6 7 | # First, get a matrix from your image. Here an example of a bush image is used.
bush<-system.file("extdata/bush.JPG",package ="bwimage")
bush_imagematrix<-threshold_color(bush, "jpeg", "proportional", compress_rate = 0.1)
# Calculate vegetation Light gap in the bush image matrix
light_gap(bush_imagematrix,width_size=100)
# Conclusion: there is no light gap on both sides of bush image.
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.