circular_hough_transform: Calculates a circular hough transform

In jspaezp/clasifierrr: Classifies images based on features

Description

This transform accentuates circular shapes

Usage

circular_hough_transform(img, width, sobel_width, tolerance = 11)

compile_circular_hough(width, sobel_width, dim_img, tolerance = 11)

Arguments

img	image to transform
width	expected width of the circles
sobel_width	width of the sobel filter that will be used to detect the edges

Value

image

Functions

• compile_circular_hough: pre-calculates parameters and returns a function

See Also

Other filters: compile_hough_circle_draw(), compile_sobel_filter(), compile_variance_filter(), dog_filter()

Examples

x = readImage(system.file('images', 'shapes.png', package='EBImage'))
hough <- circular_hough_transform(x, 51, 3, 5)
# display(normalize(hough))

jspaezp/clasifierrr documentation built on March 2, 2020, 11:20 a.m.