luminance
Converts an RGB image into a grayscale luminance image. This is built on the ndarray library.
Example
//Load up a test imagevar lena = //Convert to grayscalevar grayscale_lena = lena //Write the resulting png to stdoutgrayscale_lena "png"
Which creates the following image:
Install
npm install luminance
API
var luminance =
luminance(img)
Returns A gray scale version of img
luminance(result, img)
Returns A gray scale version of img
, the result is stored in result
luminance(red, green, blue)
Returns A gray scale image with red, green and blue channels in the given ndarrays
luminance(result, red, green, blue)
Returns A luminance image of red/green/blue with result stored in result.
Credits
(c) 2013 Mikola Lysenko. MIT License