luminance component of an image

Hi, I have a frame of a vedio sequence which is a 288*352 double. How can I extract the luminance component of the image? thanks

Answer 1

[Pinkesh Narsinghani]

Take a look at this Answer : https://in.mathworks.com/matlabcentral/answers/111502-how-can-i-obtain-single-luminance-value-of-an-image

Hope this helps !!