conv_rgb.m

来自「Face recognition using webcam and this d」· M 代码 · 共 10 行

function [x] = conv_rgb(x)
if (size(x,3)>1)%if RGB image make gray scale
    try
        x=rgb2gray(x);%image toolbox dependent
    catch
        x=sum(double(x),3)/3;%if no image toolbox do simple sum
    end
end
x=double(x);%make sure the input is double format