find_area: Find continuous group of pixels with a tolerance of 'px_tol'...

In villegar/IPA: Image Processing and Analysis Pipeline

Description

Find continuous group of pixels with a tolerance of px_tol pixels

Usage

find_area(img, start = c(1, 1), px_tol = 20, quiet = TRUE)

Arguments

img	image object (cimg class)
start	starting point: c(x0, y0)
px_tol	number of non-continuous pixels to accept
quiet	boolean flag to hide messages of progress

Value

blobs containing adjacent groups of non-zero pixels

Examples

## Not run: 
    # Create test alpha layer
    alpha <- matrix(0, 50, 50)
    alpha[10:20, 15:25] <- 1
    alpha[25:35, 15:25] <- 1
    alpha[1:50, 40:50] <- 1
    alpha <- imager::as.cimg(alpha)
    blobs1 <- find_area(alpha, start = c(10, 15), px_tol = 1)
    blobs2 <- find_area(alpha, start = c(1, 40), px_tol = 1)
    blobs3 <- find_area(alpha, start = c(10, 15),
                        px_tol = 1,
                        quiet = FALSE))

## End(Not run)

villegar/IPA documentation built on Aug. 11, 2021, 12:50 a.m.