hole_section: Hole finder
In bwimage: Describe Image Patterns in Natural Structures

Description Usage Arguments Value Author(s) References See Also Examples

Description of when a sequence of same color pixel start and end.

1	hole_section(section)

section

Section to be analysed.

Description of start and end of each same color sequence

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.

hole_section_data threshold_color

# 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)

# Find pixel hole sections in the column 200 of bush image
hole_section(bush_imagematrix[,200])

# Find pixel hole sections in the row 250 of bush image
hole_section(bush_imagematrix[250,])