This function converts an image to one of the color : gray, red, green, blue
Arguments
- img
path of the input image from package jpeg's function readJPEG().
- color
desired color to convert: gray, red, green, blue
Value
The converted image
Examples
img <- array(runif(1000),dim=c(10,10,3))
ColorConv(img, color = 'gray')
#> [1] 0.5150383