RGB/XYZ Color Space Convert(RGB和XYZ色彩空间的相互转换矩阵)

如上图所示，左边为RGB色彩空间, 右边为XYZ色彩空间

常用转换矩阵:

更多的矩阵数据(感谢:http://brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html):

RGB Working Space	Reference White	RGB to XYZ [M]	XYZ to RGB [M]-1
Adobe RGB (1998)	D65	0.5767309 0.1855540 0.1881852 0.2973769 0.6273491 0.0752741 0.0270343 0.0706872 0.9911085	2.0413690 -0.5649464 -0.3446944 -0.9692660 1.8760108 0.0415560 0.0134474 -0.1183897 1.0154096
AppleRGB	D65	0.4497288 0.3162486 0.1844926 0.2446525 0.6720283 0.0833192 0.0251848 0.1411824 0.9224628	2.9515373 -1.2894116 -0.4738445 -1.0851093 1.9908566 0.0372026 0.0854934 -0.2694964 1.0912975
Best RGB	D50	0.6326696 0.2045558 0.1269946 0.2284569 0.7373523 0.0341908 0.0000000 0.0095142 0.8156958	1.7552599 -0.4836786 -0.2530000 -0.5441336 1.5068789 0.0215528 0.0063467 -0.0175761 1.2256959
Beta RGB	D50	0.6712537 0.1745834 0.1183829 0.3032726 0.6637861 0.0329413 0.0000000 0.0407010 0.7845090	1.6832270 -0.4282363 -0.2360185 -0.7710229 1.7065571 0.0446900 0.0400013 -0.0885376 1.2723640
Bruce RGB	D65	0.4674162 0.2944512 0.1886026 0.2410115 0.6835475 0.0754410 0.0219101 0.0736128 0.9933071	2.7454669 -1.1358136 -0.4350269 -0.9692660 1.8760108 0.0415560 0.0112723 -0.1139754 1.0132541
CIE RGB	E	0.4887180 0.3106803 0.2006017 0.1762044 0.8129847 0.0108109 0.0000000 0.0102048 0.9897952	2.3706743 -0.9000405 -0.4706338 -0.5138850 1.4253036 0.0885814 0.0052982 -0.0146949 1.0093968
ColorMatch RGB	D50	0.5093439 0.3209071 0.1339691 0.2748840 0.6581315 0.0669845 0.0242545 0.1087821 0.6921735	2.6422874 -1.2234270 -0.3930143 -1.1119763 2.0590183 0.0159614 0.0821699 -0.2807254 1.4559877
Don RGB 4	D50	0.6457711 0.1933511 0.1250978 0.2783496 0.6879702 0.0336802 0.0037113 0.0179861 0.8035125	1.7603902 -0.4881198 -0.2536126 -0.7126288 1.6527432 0.0416715 0.0078207 -0.0347411 1.2447743
ECI RGB	D50	0.6502043 0.1780774 0.1359384 0.3202499 0.6020711 0.0776791 0.0000000 0.0678390 0.7573710	1.7827618 -0.4969847 -0.2690101 -0.9593623 1.9477962 -0.0275807 0.0859317 -0.1744674 1.3228273
Ekta Space PS5	D50	0.5938914 0.2729801 0.0973485 0.2606286 0.7349465 0.0044249 0.0000000 0.0419969 0.7832131	2.0043819 -0.7304844 -0.2450052 -0.7110285 1.6202126 0.0792227 0.0381263 -0.0868780 1.2725438
NTSC RGB	C	0.6068909 0.1735011 0.2003480 0.2989164 0.5865990 0.1144845 0.0000000 0.0660957 1.1162243	1.9099961 -0.5324542 -0.2882091 -0.9846663 1.9991710 -0.0283082 0.0583056 -0.1183781 0.8975535
PAL/SECAM RGB	D65	0.4306190 0.3415419 0.1783091 0.2220379 0.7066384 0.0713236 0.0201853 0.1295504 0.9390944	3.0628971 -1.3931791 -0.4757517 -0.9692660 1.8760108 0.0415560 0.0678775 -0.2288548 1.0693490
ProPhoto RGB	D50	0.7976749 0.1351917 0.0313534 0.2880402 0.7118741 0.0000857 0.0000000 0.0000000 0.8252100	1.3459433 -0.2556075 -0.0511118 -0.5445989 1.5081673 0.0205351 0.0000000 0.0000000 1.2118128
SMPTE-C RGB	D65	0.3935891 0.3652497 0.1916313 0.2124132 0.7010437 0.0865432 0.0187423 0.1119313 0.9581563	3.5053960 -1.7394894 -0.5439640 -1.0690722 1.9778245 0.0351722 0.0563200 -0.1970226 1.0502026
sRGB	D65	0.4124564 0.3575761 0.1804375 0.2126729 0.7151522 0.0721750 0.0193339 0.1191920 0.9503041	3.2404542 -1.5371385 -0.4985314 -0.9692660 1.8760108 0.0415560 0.0556434 -0.2040259 1.0572252
Wide Gamut RGB	D50	0.7161046 0.1009296 0.1471858 0.2581874 0.7249378 0.0168748 0.0000000 0.0517813 0.7734287	1.4628067 -0.1840623 -0.2743606 -0.5217933 1.4472381 0.0677227 0.0349342 -0.0968930 1.2884099

RGB Working Space	Reference White	RGB to XYZ [M]	XYZ to RGB [M]-1
Adobe RGB (1998)	D50	0.6097559 0.2052401 0.1492240 0.3111242 0.6256560 0.0632197 0.0194811 0.0608902 0.7448387	1.9624274 -0.6105343 -0.3413404 -0.9787684 1.9161415 0.0334540 0.0286869 -0.1406752 1.3487655
AppleRGB	D50	0.4755678 0.3396722 0.1489800 0.2551812 0.6725693 0.0722496 0.0184697 0.1133771 0.6933632	2.8510695 -1.3605261 -0.4708281 -1.0927680 2.0348871 0.0227598 0.1027403 -0.2964984 1.4510659
Bruce RGB	D50	0.4941816 0.3204834 0.1495550 0.2521531 0.6844869 0.0633600 0.0157886 0.0629304 0.7464909	2.6502856 -1.2014485 -0.4289936 -0.9787684 1.9161415 0.0334540 0.0264570 -0.1361227 1.3458542
CIE RGB	D50	0.4868870 0.3062984 0.1710347 0.1746583 0.8247541 0.0005877 -0.0012563 0.0169832 0.8094831	2.3638081 -0.8676030 -0.4988161 -0.5005940 1.3962369 0.1047562 0.0141712 -0.0306400 1.2323842
NTSC RGB	D50	0.6343706 0.1852204 0.1446290 0.3109496 0.5915984 0.0974520 -0.0011817 0.0555518 0.7708399	1.8464881 -0.5521299 -0.2766458 -0.9826630 2.0044755 -0.0690396 0.0736477 -0.1453020 1.3018376
PAL/SECAM RGB	D50	0.4552773 0.3675500 0.1413926 0.2323025 0.7077956 0.0599019 0.0145457 0.1049154 0.7057489	2.9603944 -1.4678519 -0.4685105 -0.9787684 1.9161415 0.0334540 0.0844874 -0.2545973 1.4216174
SMPTE-C RGB	D50	0.4163290 0.3931464 0.1547446 0.2216999 0.7032549 0.0750452 0.0136576 0.0913604 0.7201920	3.3921940 -1.8264027 -0.5385522 -1.0770996 2.0213975 0.0207989 0.0723073 -0.2217902 1.3960932
sRGB	D50	0.4360747 0.3850649 0.1430804 0.2225045 0.7168786 0.0606169 0.0139322 0.0971045 0.7141733	3.1338561 -1.6168667 -0.4906146 -0.9787684 1.9161415 0.0334540 0.0719453 -0.2289914 1.4052427

感谢: https://zhuanlan.zhihu.com/p/24281841