easyidp.cvtools.rgb2gray

easyidp.cvtools.rgb2gray(rgb)

Transform the RGB image to gray image

パラメータ:

rgb (mxnx3 ndarray) -- The RGB ndarray image need to be converted

戻り値:

gray -- The output 2D ndarray after convension

戻り値の型:

mxn ndarray

メモ

Using the same formular that matplotlib did [1] for the transformation.

参照

[1]

https://stackoverflow.com/questions/12201577/how-can-i-convert-an-rgb-image-into-grayscale-in-python