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Small change to precision matrix ACES

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Desmis
2018-04-11 10:50:32 +02:00
parent dedce5d383
commit 450f6ecf09
1 changed files with 39 additions and 8 deletions
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47
rtengine/iccmatrices.h
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@@ -93,31 +93,62 @@ constexpr double ACESc_xyz[3][3] = {
};
//Matrix ACESc from LCMS calculation same as ACES.icm
//Matrix ACESc from LCMS calculation same as ACES.icm , used after with Bradford transformation D60
constexpr double xyz_ACESc[3][3] = {
{0.99089, 0.01224, -0.03893},
{0.36189, 0.72252, -0.08441},
{-0.00272, 0.00826, 0.81937}
};
*/
/*
//matrix from Alberto
//wrong result
constexpr double ACESc_xyz[3][3] = {
{0.99089050, 0.36189270, -0.00271606},
{0.01223755, 0.72251892, 0.00825500},
{-0.03892517, -0.08441162, 0.81936646}
};
constexpr double xyz_ACESc[3][3] = {
{1.015496031, -0.50764724, 0.008480669},
{-0.01723464, 1.391035243 , -0.01407161},
{0.003048736, 0.140893628, 1.219045754}
};
*/
/*
//matrix fromAlberto symetric above quasi the same as the one I take, only precision!
//wrong result
constexpr double ACESc_xyz[3][3] = {
{0.99089050, 0.01223755, -0.03892517},
{0.36189270, 0.72251892, -0.08441162},
{-0.00271606, 0.0082550, 0.81936646}
};
constexpr double xyz_ACESc[3][3] = {
{1.015496031, -0.01723464, 0.003048736},
{-0.50764724, 1.391035243 , 0.140893628},
{0.008480669, -0.01407161, 1.219045754}
};
*/
/*
constexpr double xyz_ACESc[3][3] = {
{0.9699974, 0.432792, -0.04566},
{0.237431, 0.52681, -0.05590},
{0.127169, 0.043493, 0.793903}
};
*/
//with Bradford adaptation D50 D60 J.Desmis 04 2018
// ACESc_xyz = matrix ACESc * matrix d60 D50
// ACESc_xyz = matrix ACESc * matrix d60 D50 from Matrix ACESc from LCMS calculation same as ACES.icm
constexpr double ACESc_xyz[3][3] = {
{0.956674714, 0.334059262, 0.033764461},
{-0.00914767, 0.719456271 , 0.020585086},
{-0.03959528, -0.11114562, 1.008891993}
{0.9566756689, 0.334061821, 0.0337682},
{-0.00916399, 0.719455101 , 0.02057992},
{-0.03958909, -0.11114757, 1.008887738}
};
constexpr double xyz_ACESc[3][3] = {
{1.039605861, -0.48655298, -0.0248649},
{0.012013027, 1.379948826 , -0.02855804},
{0.04212411, 0.132928069, 0.987064397}
{1.039596401, -0.48655409, -0.02487101},
{0.012036915, 1.379940825 , -0.02855178},
{0.042120199, 0.132933363, 0.987069107}
};
//end modification ACES matrix