CTRing (version 0.1.0)

deleteRingFromProfile: Delete ring from a pith to bark profile

Description

Delete ring from a pith to bark profile

Usage

deleteRingFromProfile(n = 1, densProfile)

Value

Corrected density profile with ring(s) removed and red bar in plot of deleted ring

Arguments

n

Number of rings to remove

densProfile

Density profile

Examples

library(oro.dicom)
file_path <- system.file("extdata", "disk.dcm", package = "CTRing")
dcm <-  readDICOM(file_path)
hdr_df <- dcm$hdr[[1]]
image_info <- getImageInfo(hdr = hdr_df)

im <- imageToMatrix(dcm$img)
im_8bit <- xBitTo8Bit(im, image_info$grayScale)
im_dens <- grayToDensity(im_8bit)

pith_coord <- detect_pith(im_dens, n_segments = 12, pixel = TRUE, toPlot = FALSE)

endPath <- c(472, 284) # manual
# not run - endPath <- locatePathEnd(im_dens, pith_coord) # using the image

densPath <- extractProfile(im_dens,
                           image_info,
                           pith_coord,
                           endPath,
                           k = 2, r = 5,
                           threshold = 0.002)

plotProfile(densPath)
newPath <- addRingFromProfile(n = 1, densPath)
oldPath <- deleteRingFromProfile(n = 1, newPath)