changeColorSpace: Convert image between colorspaces
Description
This function takes an Image
object and converts
it to another colorspace (e.g BGR to grayscale).
Usage
changeColorSpace(image, colorspace)
Arguments
colorspace
A string corresponding to the colorspace the image should
be converted to. Options are "BGR" (Blue Green Red image), "BGRA" (BGR image
with Alpha channel), and "GRAY" (grayscale image).