Description Usage Arguments Author(s) References See Also Examples
View source: R/ImageAnalysis.R
Proportion of black pixel below each matrix line.
1 | heigh_propotion(imagematrix)
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imagematrix |
The matrix to be analysed. |
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 | # 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)
# Proportion of black pixel below each matrix line.
heigh_propotion(bush_imagematrix)
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