RGB-YUV color conversion (Matlab code)

cvtRGB2YUV.m

function [Y,U,V] = cvtRGB2YUV(R,G,B)
    
    R = double(R);
    G = double(G);
    B = double(B);

    Y =  0.257 * R + 0.504 * G + 0.098 * B +  16;
    U = -0.148 * R - 0.291 * G + 0.439 * B + 128;
    V =  0.439 * R - 0.368 * G - 0.071 * B + 128;
    
    Y = uint8(Y);
    U = uint8(U);
    V = uint8(V);

end

cvtYUV2RGB.m

function [R,G,B] = cvtYUV2RGB(Y,U,V)
    
    Y = double(Y) -  16;
    U = double(U) - 128;
    V = double(V) - 128;

    R = 1.164 * Y             + 1.596 * V;
    G = 1.164 * Y - 0.392 * U - 0.813 * V;
    B = 1.164 * Y + 2.017 * U;
    
    R = uint8(R);
    G = uint8(G);
    B = uint8(B);

end