hole_section_data {bwimage}

Summary of holes information

Description

Summary information of holes of a given color in a given section. Result unit is the number of cell.

Usage

hole_section_data(section, color = 0)

Arguments

section

Section to be analysed.

color

Color of the hole (0 or 1).

Value

N

Number of hole sections

Mean

Mean size of hole sections

SD

Standard deviation of hole sections size

Min

Minimum size of hole sections

Max

Maximum size of hole sections

Author(s)

Carlos Biagolini-Jr.

References

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.

See Also

hole_section threshold_color

Examples

# 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)

# Detail information of white (0) holes sections in the column 200 of bush image
hole_section_data(bush_imagematrix[,200], color = 0)

# Detail information of black (1) holes sections in the row 250 of bush image
hole_section_data(bush_imagematrix[250,], color = 1)