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RGBÐźŵ½XYZÖ±½Ó±ä»»¿ÉÒÔ±íʾΪH=PM,»ùÓÚ×îС¶þ³Ë·¨×ª»»¾ØÕóM=inv(P'*P)*P'*H ÎÒÕâÀïÓõ½ÁË24×éÊý¾Ý¡£ÏÈ×öÁ˸ö3*3µÄת»»¡£È»ºóÏë°Ñÿ¸ö¾ØÕóAÖеÄÈý¸öÖµÀ©³äΪ8¸öÖµ[1 rgb rg rb gb r g b]×îÖÕ¾ØÕóP±äΪ24*8µÄ¾ØÕó£¬×îÖտɵõ½ Ò»¸ö8*3µÄת»»¾ØÕóM¡£ ±àÒ»¸öforÑ»·²»Ïë°ÑÕâ24×éÊý¾ÝÒ»¸öÒ»¸öµÄ´ø½øÈ¥Ëã¡£Çó´óÉñ°ïæ clc,clear,close all %RGBÖµ A1=[14.65,11.29,2.25];A2=[48.38,36.37,8.51];A3=[17.11,16.98,10.74]; A4=[17.11,16.98,10.74];A5=[25.74,22.17,13.44];A6=[30.71,37.08,15.02]; A7=[51.58,35.8,2.2];A8=[12.14,10.64,12.34];A9=[40.05,23.87,4.27]; A10=[10.52,7.37,4.33];A11=[41.96,43.61,4.56];A12=[59.05,46.23,2.67]; A13=[5.73,5.21,8.68];A14=[15.96,20.69,3.76];A15=[30.71,16.81,1.79]; A16=[73.15,63.51,3.72];A17=[40.56,23.99,9.57];A18=[11.82,15.46,12.55]; A19=[95.77,87.25,30.27];A20=[61.71,56.5,20.08];A21=[38.4,35.28,12.64]; A22=[20.64,18.86,6.7];A23=[9.87,9.13,3.34];A24=[3.94,3.6,1.34]; P=[A1;A2;A3;A4;A5;A6;A7;A8;A9;A10;A11;A12;A13;A14;A15;A16;A17;A18;A19;A20;A21;A22;A23;A24]; %XYZÖµ B1=[110,49,13];B2=[219,126,76];B3=[97,97,93];B4=[76,75,16];B5=[146,105,106]; B6=[125,170,125];B7=[231,109,6];B8=[81,65,106];B9=[223,63,34];B10=[92,33,34]; B11=[172,170,42];B12=[230,145,4];B13=[40,42,88];B14=[73,125,41];B15=[204,39,12]; B16=[236,183,24];B17=[224,70,79];B18=[51,111,117];B19=[245,211,165]; B20=[216,184,138];B21=[117,146,102];B22=[126,96,61];B23=[69,52,29];B24=[31,24,12]; H=[B1;B2;B3;B4;B5;B6;B7;B8;B9;B10;B11;B12;B13;B14;B15;B16;B17;B18;B19;B20;B21;B22;B23;B24]; %Çóת»»¾ØÕó£í M=inv(P'*P)*P'*H %½«rgbÍØÕ¹Îª8Ïî for i=1:1:24 C(i)=[1,A(i)(1)*A(i)(2)*A(i)(3),A(i)(1)*A(i)(2),A(i)(1)*A(i)(3),A(i)(2)*A(i)(3),A(i)(1),A(i)(2),A(i)(3)]; end %ÇóϵÊý¾ØÕóm M8=inv(C(i)'*C(i))*C(i)'*H |
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