transform_colours {pixelclasser} | R Documentation |
Transforms RGB values into proportions (rgb values)
Description
This function transforms an array of RGB absolute values into a similar array containing the proportion of each band (= colour variable): r g and b.
Usage
transform_colours(image_array)
Arguments
image_array |
an array of class |
Details
The proportions are calculated as r
= R
/ (R + G
+ B
), and so on. It is used by function read_image().
Value
Returns an array of class transformed_image
containing the
proportions of each colour variable in the pixels of the image. The third
dimension of the array is named "bands" and its elements are labelled as
"r", "g" and "b", respectively.
[Package pixelclasser version 1.1.1 Index]