YUV 和RGB的相互转换

YUV与RGB相互转换的公式如下（RGB取值范围均为0-255）︰

 

Y = (B * 1868 + G * 9617 + R * 4899 + 8192)/16384;

 

U = ((B - Y)* 9241 + 8192)/16384 + 128;

 

V = ((R - Y)*11682 + 8192)/16384 + 128;

 

R = Y + 1.14V

 

G = Y - 0.39U - 0.58V

 

B = Y + 2.03U