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LA - new tool - Color appearance (Cam16 & JzCzHz) (#6377)

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* Gui improvments

* Several improvments GUI Jz algo

* Change function La for lightess Jz

* SH jzazbz first

* enable Jz SH

* Clean code

* Disabled Munsell correction when Jz

* Change tooltip and Cam16 Munsell

* GUI for CzHz and HzHz curves

* Enable curves Hz(Hz) Cz(Hz)

* Improve Cz chroma

* Jz100 reference refine

* Change limit Jz100

* Refine link between jz100 and peak adaptation

* Improve GUI

* Various improvment PQ PU gamut

* Change defaults settings

* forgotten PL in gamutjz

* Small changes and comment

* Change gamujz parameter

* disabled gamut Jz too slow

* Jzazbz curve Jz(Hz)

* reenable gamutjz

* small changes

* Change tooltip

* Change labels tooltips

* Jzazbz only on advanced mode

* GUI improvments

* Change tooltip

* Change default values and tooltip

* Added tooltip Jz

* Disabled Jz gamut

* Change gamma color and light - remove exposure

* Gamma for exposure and DR

* gamma Sharp

* Gamma vibrance

* gamma optimizations

* Change tooltips

* Optimization PQ

* LA GUI for tone curve Ciecam

* LA ciecam Enable curve lightness - brightness

* LA ciecam GUI color curve

* LA ciecam enable color curve

* Change tooltip and default values

* Enable Jz curve

* Enable Cz(Cz) curve

* Enable Cz(Jz) curve

* Added Log encoding to ciecam

* Improvment algorithm remapping

* Reenable forgotten listener logencodchanged

* Change Jz tooltips

* Reenable dynamic range and exposure

* First change GUI auto ciecam

* 2nd fixed ciecam auto

* Improve GUI maskbackground curves

* Enable activspot for la ciecam

* set sensitive sliders La ciecam when auto scene conditions

* Change internal calculations see comments

* Checcbox ForceJz to 1

* Change tool position - change order CAM model

* Expander for Jzczhz

* Remove unused code

* GUI changes

* Change labels CAM16 Jzazbz

* Change slider brightness parameters

* improvment SH jz

* Some changes to brightness Jz

* Fixed scene conditions auto

* Renable forgotten change

* Prepare calculation Zcam

* Prepare Iz for zcam

* First GUI Zcam

* Improve GUI Zcam

* Calculate Qz white - brightness of the reference white

* Prepare for PQ - eventually

* Init LUT ZCAMBrightCurveJz and ZCAMBrightCurveQz

* prepare zcam achromatic variables

* First zcam

* Change algo step 5 zcam

* Another change original algo

* Another change to original algo

* first colorfullness

* Fixed bad behavior threshold and change c c2 surround parameters

* added saturation Zcam

* Change parameters surround

* Enable chroma zcam

* change chroma and lightness formula

* disable OMP for 2nd process Zcam

* Improvment zcam for some high-light images

* Change parameters overflow zcam

* Change parmeters high datas

* another change to retrieve...

* Simplify code matrix conversion xyz-jzazbz

* Adjust internam parameters zcam

* Change some parameters - clean code

* Enable PQCam16

* Enable PQ Cam16 - disable ZCAM

* remove warning compilation message

* Change GUI jzczhz

* Fixed bad behavior remaping jz

* Remove forgotten parameter - hide Jz100 - PU adaptation- chnage tooltips

* Another change to chroma parameter

* Small changes

* If verbose display in console Cam16 informations

* If verbose display in console source saturation colorfullness

* Change to La calculation for ciecam

* Change GUI cam16 - jzczhz - remove cam16 and jzczhz

* Disable exposure compensation to calculate La for all Ciecam and Log encoding

* Change label Cam16 and jzczhz

* Improve GUI Jz

* Other improvment GUI Jz Cam16

* verify nan Jz and ciecam matrix to avoid crash

* Enable La manual for Jz to change PU-adaptation

* Improve calculation to avoid crash Jz and Cam16 matrix

* Fixed crash with local contrast in cam16

* Clean code loccont

* First step GUI Cie mask

* GUI part 2 - Cie

* Build cieMask

* Gui part 3 cie

* Valid llcieMask

* Valid llcieMask

* Pass GUI curves parameters to iplocallab.cc

* 2nd pass parameters from GUI to iplocallab.cc

* Init first functions modifications

* Add expander to cam16 adjustments

* First test mask cie

* Various improvment GUI - tooltips - process

* Take into account Yb cam16 for Jz - reenable warm-cool

* Surround source Cam16 before Jz

* Improve GUI and process

* Fixed bug and bad behavior last commit

* Fixed bug chroma mask - improve GUI - Relative luminance for Jz

* Increase sensitivity mask chroma

* Improve Jz with saturation Z - improve GUI Jzczhz

* Small code improvment

* Another change mask C and enable mask for Cam16 and Jz

* Some changes

* Enable denoise chroma mask

* Small change LIM01 normchromar

* Enable Zcam matrix

* Improve chroma curves...mask and boudaries

* take into account recursive slider in settings

* Change tooltip - improvment to C curve (denoise C - best value in curves - etc.) - remove Zcam button

* Change tooltips

* First part GUI - local contrast wavelet Jz

* Passed parameters GUI local contrast wav jz to rtengine

* save config wavelet jz

* first try wavelet local contrast Jz

* Add tooltips

* Simplify code wavelet local contrast

* take into account edge wavelet performance in Wavelet Jz

* Fixed overflow jz when usig botth contradt and wavelt local jz contrast

* Adapt size winGdiHandles in filepanel to avoid crash in Windows multieditor

* First GUI part Clarity wavelet Jz

* First try wavelet Jz Cz clarity

* Added tooltips

* Small change to enable wavelet jz

* Disabled (commented) all Zcam code

* Improve behavior when SH local-contrast and Clarity are use both

* Change limit PQremap jz

* Clean and optimize code

* Reenable mjjz

* Change settings guidedfilter wavelet Jz

* Fixed crash when revory based on lum mask negative

* Change tooltip

* Fixed ad behavior auto mean and absolute luminance

* Remove warning in console

* Fixed bad behavior auto Log encoding - bad behavior curves L(H) Jz

* Fixed another bad behavior - reenable curves color and light L(H) C(H)

* first transposition Lab Jz for curves H

* Change mask boundary for Jz

* Various improvment to H curves Jz

* Add amountchrom to Hcurve Color and Light

* Improve gray boundary curves behavior

* reenable Jz curve H(H) - soft radius

* Improve guidefilter Jz H curve

* Threshold chroma Jz(Hz)

* Enable guidedfilter chroma curve H

* improve GUI curves Hz

* Checkbutton chroma for curve Jz(Hz)

* Change event selectspot

* Clean and small optimization code

* Another clean code

* Change calculation Hz references for curves Hz

* Clean code

* Various changes to GF and GUI

* Another change to Chroma for Jz(H)

* Change GUI sensitive Jz100 adapdjzcie

* Improve code for Jz100

* Change default value skin-protection to 0 instead of 50

* Clean code

* Remove BENCHFUN for ciecam

* small correction to huejz_to_huehsv2 conversion

* Added missing plum parameter for jch2xyz_ciecam02float

* another small change to huejz_to_huehsv2

* Improvment to huelab_to_huehsv2 and some double functions

* Fixed warning hide parameters in lgtm-com

* Fixed ? Missing retuen statement in lgtm-com

* Change behavior Log encoding whith PQ Cam16

* Small improvment to Jz PU adaptation

* Added forgoten to_one for Cz slider

* Replace 0.707... by RT_SQRT1_2 - change some settings chroma

* Improvment to getAutoLogloc

* Fixed crash with array in getAutoLogloc

* First try Jz Log encoding

* Forgotten Cz

* Various improvment GUI setlogscale - Jz log encoding

* Change labels tooltips Jz log

* Change wrong clipcz value

* Change tooltip auto scene conditions

* Fixed bad behavior blackevjz whiteevjz

* Small improvment to LA Log encoding std

* Avoid bad behavior Jz log when enable Relative luminance

* Change sourcegray jz calculation

* Revert last change

* Clean and comment code

* Review tooltips thanks to Wayne - harmonize response La log encoding and Jz Log encoding

* Always force Dynamic Range evaluation in full frame mode for Jz log encoding

* Remove unused code

* Small optimizations sigmoid Cam16 and Jz

* Comment code

* Change parameters deltaE for HDR

* Various improvment to Jz - La - sigmoid - log encoding

* Basic support for Sony ILCE-7M4 in camconst.json

* German translation Spot Removal (#6388)

* Filmnegative German translation (#6389)

* (Temporarily) disable `ftree-loop-vectorize` for GCC 11 because of #6384

* Added BlacEv WhiteEv to sigmoidJz

* Improve GUI for BlackEv WhiteEv

* Change location SigmoidJz in Iplocallab

* Improvment GUI and sensitivity sliders strength sigmoid

* Change labels

Co-authored-by: Thanatomanic <6567747+Thanatomanic@users.noreply.github.com>
Co-authored-by: Anna <simonanna@gmx.net>
This commit is contained in:
Desmis
2021-12-21 07:43:59 +01:00
committed by GitHub
parent 4b8481f1c9
commit 1e4f41bc05
31 changed files with 9425 additions and 784 deletions
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397
rtengine/ciecam02.cc
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@@ -25,6 +25,19 @@
#undef CLIPD
#define CLIPD(a) ((a)>0.f?((a)<1.f?(a):1.f):0.f)
#define MAXR(a,b) ((a) > (b) ? (a) : (b))
#define Jzazbz_b 1.15
#define Jzazbz_g 0.66
#define Jzazbz_c1 (3424/4096.0)
#define Jzazbz_c2 (2413/128.0)
#define Jzazbz_c3 (2392/128.0)
#define Jzazbz_n (2610/16384.0)
#define Jzazbz_p (1.7*2523/32.0)
#define Jzazbz_d (-0.56)
#define Jzazbz_d0 (1.6295499532821566e-11)
#define Jzazbz_ni (16384.0/2610.0)
#define Jzazbz_pi (32.0/4289.1) //4289.1 = 2523 * 1.7
namespace rtengine
{
@@ -67,10 +80,12 @@ void Ciecam02::curveJfloat (float br, float contr, float thr, const LUTu & histo
brightcurvePoints[5] = 0.7f; // shoulder point
brightcurvePoints[6] = min (1.0f, 0.7f + br / 300.0f); //value at shoulder point
} else {
brightcurvePoints[3] = 0.1f - br / 150.0f; // toe point
brightcurvePoints[3] = max(0.0, 0.1 - (double) br / 150.0); // toe point
// brightcurvePoints[3] = 0.1f - br / 150.0f; // toe point
brightcurvePoints[4] = 0.1f; // value at toe point
brightcurvePoints[5] = min (1.0f, 0.7f - br / 300.0f); // shoulder point
// brightcurvePoints[5] = min (1.0f, 0.7f - br / 300.0f); // shoulder point
brightcurvePoints[5] = 0.7f - br / 300.0f; // shoulder point
brightcurvePoints[6] = 0.7f; // value at shoulder point
}
@@ -109,6 +124,7 @@ void Ciecam02::curveJfloat (float br, float contr, float thr, const LUTu & histo
}
avg /= sum;
// printf("avg=%f \n", (double) avg);
float thrmin = (thr - contr / 250.0f);
float thrmax = (thr + contr / 250.0f);
@@ -184,14 +200,14 @@ float Ciecam02::calculate_fl_from_la_ciecam02float ( float la )
return (0.2f * k * la5) + (0.1f * (1.0f - k) * (1.0f - k) * std::cbrt (la5));
}
float Ciecam02::achromatic_response_to_whitefloat ( float x, float y, float z, float d, float fl, float nbb, int c16)
float Ciecam02::achromatic_response_to_whitefloat ( float x, float y, float z, float d, float fl, float nbb, int c16, float plum)
{
float r, g, b;
float rc, gc, bc;
float rp, gp, bp;
float rpa, gpa, bpa;
// gamu = 1;
xyz_to_cat02float ( r, g, b, x, y, z, c16);
xyz_to_cat02float ( r, g, b, x, y, z, c16, plum);
rc = r * (((y * d) / r) + (1.0f - d));
gc = g * (((y * d) / g) + (1.0f - d));
@@ -216,71 +232,253 @@ float Ciecam02::achromatic_response_to_whitefloat ( float x, float y, float z, f
return ((2.0f * rpa) + gpa + ((1.0f / 20.0f) * bpa) - 0.305f) * nbb;
}
void Ciecam02::xyz_to_cat02float ( float &r, float &g, float &b, float x, float y, float z, int c16)
{
void Ciecam02::xyz_to_cat02float ( float &r, float &g, float &b, float x, float y, float z, int c16, float plum)
{ //I use isnan() because I have tested others solutions with std::max(xxx,0) and in some cases crash
//original cat02
//r = ( 0.7328 * x) + (0.4296 * y) - (0.1624 * z);
//g = (-0.7036 * x) + (1.6975 * y) + (0.0061 * z);
//b = ( 0.0000 * x) + (0.0000 * y) + (1.0000 * z);
float peakLum = 1.f/ plum;
if(c16 == 1) {//cat02
r = ( 1.007245f * x) + (0.011136f * y) - (0.018381f * z); //Changjun Li
g = (-0.318061f * x) + (1.314589f * y) + (0.003471f * z);
b = ( 0.0000f * x) + (0.0000f * y) + (1.0000f * z);
} else {//cat16
} else if (c16 == 16) {//cat16
r = ( 0.401288f * x) + (0.650173f * y) - (0.051461f * z); //cat16
g = (-0.250268f * x) + (1.204414f * y) + (0.045854f * z);
b = ( -0.002079f * x) + (0.048952f * y) + (0.953127f * z);
} else if (c16 == 21) {//cam16 PQ
float rp = ( 0.401288f * x) + (0.650173f * y) - (0.051461f * z); //cat16
float gp = (-0.250268f * x) + (1.204414f * y) + (0.045854f * z);
float bp = ( -0.002079f * x) + (0.048952f * y) + (0.953127f * z);
rp *= 0.01f;
gp *= 0.01f;
bp *= 0.01f;
float tmp = pow_F(rp * peakLum, Jzazbz_n);
if(std::isnan(tmp)) {//to avoid crash
tmp = 0.f;
}
r = 100.f * pow((Jzazbz_c1 + Jzazbz_c2 * tmp) / (1. + Jzazbz_c3 * tmp), Jzazbz_p);
if(std::isnan(r) || r < 0.f) {
r = 0.f;
}
tmp = pow_F(gp * peakLum, Jzazbz_n);
if(std::isnan(tmp)) {//to avoid crash
tmp = 0.f;
}
g = 100.f * pow((Jzazbz_c1 + Jzazbz_c2 * tmp) / (1. + Jzazbz_c3 * tmp), Jzazbz_p);
if(std::isnan(g) || g < 0.f) {
g = 0.f;
}
tmp = pow_F(bp * peakLum, Jzazbz_n);
if(std::isnan(tmp)) {//to avoid crash
tmp = 0.f;
}
b = 100.f * pow((Jzazbz_c1 + Jzazbz_c2 * tmp) / (1. + Jzazbz_c3 * tmp), Jzazbz_p);
if(std::isnan(b) || b < 0.f) {
b = 0.f;
}
}
}
#ifdef __SSE2__
void Ciecam02::xyz_to_cat02float ( vfloat &r, vfloat &g, vfloat &b, vfloat x, vfloat y, vfloat z, int c16)
{
void Ciecam02::xyz_to_cat02float ( vfloat &r, vfloat &g, vfloat &b, vfloat x, vfloat y, vfloat z, int c16, vfloat plum)
{ //I use isnan() because I have tested others solutions with std::max(xxx,0) and in some cases crash
//gamut correction M.H.Brill S.Susstrunk
if(c16 == 1) {
r = ( F2V (1.007245f) * x) + (F2V (0.011136f) * y) - (F2V (0.018381f) * z); //Changjun Li
g = (F2V (-0.318061f) * x) + (F2V (1.314589f) * y) + (F2V (0.003471f) * z);
b = z;
} else {
} else if (c16 == 16) {
//cat16
r = ( F2V (0.401288f) * x) + (F2V (0.650173f) * y) - (F2V (0.051461f) * z); //Changjun Li
r = ( F2V (0.401288f) * x) + (F2V (0.650173f) * y) - (F2V (0.051461f) * z);
g = -(F2V (0.250268f) * x) + (F2V (1.204414f) * y) + (F2V (0.045854f) * z);
b = -(F2V(0.002079f) * x) + (F2V(0.048952f) * y) + (F2V(0.953127f) * z);
} else if (c16 == 21) {
vfloat rp = ( F2V (0.401288f) * x) + (F2V (0.650173f) * y) - (F2V (0.051461f) * z);
vfloat gp = -(F2V (0.250268f) * x) + (F2V (1.204414f) * y) + (F2V (0.045854f) * z);
vfloat bp = -(F2V(0.002079f) * x) + (F2V(0.048952f) * y) + (F2V(0.953127f) * z);
vfloat Jzazbz_c1v = F2V(Jzazbz_c1);
vfloat Jzazbz_c2v = F2V(Jzazbz_c2);
vfloat Jzazbz_nv = F2V(Jzazbz_n);
vfloat Jzazbz_c3v = F2V(Jzazbz_c3);
vfloat Jzazbz_pv = F2V(Jzazbz_p);
vfloat mulone = F2V(0.01f);
vfloat mulhund = F2V(100.f);
float RR, GG, BB;
vfloat one = F2V(1.);
vfloat peakLumv = one / plum;
rp *= mulone;
gp *= mulone;
bp *= mulone;
vfloat tmp = pow_F(rp * peakLumv, Jzazbz_nv );
STVF(RR, tmp);
if(std::isnan(RR)) {//to avoid crash
tmp = F2V(0.f);;
}
r = mulhund * pow_F((Jzazbz_c1v + Jzazbz_c2v * tmp) / (one + Jzazbz_c3v * tmp), Jzazbz_pv);
STVF(RR, r);
if(std::isnan(RR) || RR < 0.f) {//to avoid crash
r = F2V(0.f);;
}
tmp = pow_F(gp * peakLumv, Jzazbz_nv );
STVF(RR, tmp);
if(std::isnan(RR)) {//to avoid crash
tmp = F2V(0.f);;
}
g = mulhund * pow_F((Jzazbz_c1v + Jzazbz_c2v * tmp) / (one + Jzazbz_c3v * tmp), Jzazbz_pv);
STVF(GG, g);
if(std::isnan(GG) || GG < 0.f) {//to avoid crash
g = F2V(0.f);;
}
tmp = pow_F(bp * peakLumv, Jzazbz_nv );
STVF(RR, tmp);
if(std::isnan(RR)) {//to avoid crash
tmp = F2V(0.f);;
}
b = mulhund * pow_F((Jzazbz_c1v + Jzazbz_c2v * tmp) / (one + Jzazbz_c3v * tmp), Jzazbz_pv);
STVF(BB, b);
if(std::isnan(BB) || BB < 0.f) {//to avoid crash
b = F2V(0.f);;
}
}
}
#endif
void Ciecam02::cat02_to_xyzfloat ( float &x, float &y, float &z, float r, float g, float b, int c16)
{
void Ciecam02::cat02_to_xyzfloat ( float &x, float &y, float &z, float r, float g, float b, int c16, float plum)
{ //I use isnan() because I have tested others solutions with std::max(xxx,0) and in some cases crash
//original cat02
//x = ( 1.0978566 * r) - (0.277843 * g) + (0.179987 * b);
//y = ( 0.455053 * r) + (0.473938 * g) + (0.0710096* b);
//z = ( 0.000000 * r) - (0.000000 * g) + (1.000000 * b);
float pl = plum;
if(c16 == 1) {
x = ( 0.99015849f * r) - (0.00838772f * g) + (0.018229217f * b); //Changjun Li
y = ( 0.239565979f * r) + (0.758664642f * g) + (0.001770137f * b);
z = ( 0.000000f * r) - (0.000000f * g) + (1.000000f * b);
} else {//cat16
} else if(c16 == 16){//cat16
x = ( 1.86206786f * r) - (1.01125463f * g) + (0.14918677f * b); //Cat16
y = ( 0.38752654f * r) + (0.62144744f * g) + (-0.00897398f * b);
z = ( -0.0158415f * r) - (0.03412294f * g) + (1.04996444f * b);
}else if(c16 == 21){//cam16 PQ
float lp = ( 1.86206786f * r) - (1.01125463f * g) + (0.14918677f * b); //Cat16
float mp = ( 0.38752654f * r) + (0.62144744f * g) + (-0.00897398f * b);
float sp = ( -0.0158415f * r) - (0.03412294f * g) + (1.04996444f * b);
lp *= 0.01f;
float tmp = pow_F(lp, Jzazbz_pi);
if(std::isnan(tmp)) {//to avoid crash
tmp = 0.f;
}
float prov = (Jzazbz_c1 - tmp) / ((Jzazbz_c3 * tmp) - Jzazbz_c2);
x = pl * pow_F(prov, Jzazbz_ni);
if(std::isnan(x)) {//to avoid crash
x = 0.f;
}
x *= 100.f;
mp *= 0.01f;
tmp = pow_F(mp, Jzazbz_pi);
if(std::isnan(tmp)) {//to avoid crash
tmp = 0.f;
}
prov = (Jzazbz_c1 - tmp) / ((Jzazbz_c3 * tmp) - Jzazbz_c2);
y = pl * pow_F(prov, Jzazbz_ni);
if(std::isnan(y)) {
y = 0.f;
}
y *= 100.f;
sp *= 0.01f;
tmp = pow_F(sp, Jzazbz_pi);
if(std::isnan(tmp)) {//to avoid crash
tmp = 0.f;
}
prov = (Jzazbz_c1 - tmp) / ((Jzazbz_c3 * tmp) - Jzazbz_c2);
z = pl * pow_F(prov, Jzazbz_ni);
if(std::isnan(z)) {
z = 0.;
}
z *= 100.f;
}
}
#ifdef __SSE2__
void Ciecam02::cat02_to_xyzfloat ( vfloat &x, vfloat &y, vfloat &z, vfloat r, vfloat g, vfloat b, int c16 )
{
void Ciecam02::cat02_to_xyzfloat ( vfloat &x, vfloat &y, vfloat &z, vfloat r, vfloat g, vfloat b, int c16, vfloat plum )
{ //I use isnan() because I have tested others solutions with std::max(xxx,0) and in some cases crash
vfloat plv = plum;
//gamut correction M.H.Brill S.Susstrunk
if(c16 == 1) {//cat02
x = ( F2V (0.99015849f) * r) - (F2V (0.00838772f) * g) + (F2V (0.018229217f) * b); //Changjun Li
y = ( F2V (0.239565979f) * r) + (F2V (0.758664642f) * g) + (F2V (0.001770137f) * b);
z = b;
} else {
} else if(c16 == 16) {
//cat16
x = ( F2V (1.86206786f) * r) - (F2V (1.01125463f) * g) + (F2V (0.14918677f) * b);
y = ( F2V (0.38752654f) * r) + (F2V (0.621447744f) * g) - (F2V (0.00897398f) * b);
z = -(F2V(0.0158415f) * r) - (F2V(0.03412294f) * g) + (F2V(1.04996444f) * b);
}else if(c16 == 21){//cam16 PQ
vfloat lp = ( F2V (1.86206786f) * r) - (F2V (1.01125463f) * g) + (F2V (0.14918677f) * b);
vfloat mp = ( F2V (0.38752654f) * r) + (F2V (0.621447744f) * g) - (F2V (0.00897398f) * b);
vfloat sp = -(F2V(0.0158415f) * r) - (F2V(0.03412294f) * g) + (F2V(1.04996444f) * b);
float XX,YY,ZZ;
vfloat Jzazbz_c1v = F2V(Jzazbz_c1);
vfloat Jzazbz_c2v = F2V(Jzazbz_c2);
vfloat Jzazbz_c3v = F2V(Jzazbz_c3);
vfloat Jzazbz_piv = F2V(Jzazbz_pi);
vfloat Jzazbz_niv = F2V(Jzazbz_ni);
vfloat mulone = F2V(0.01f);
vfloat mulhund = F2V(100.f);
lp *= mulone;
float pro;
vfloat tmp = pow_F(lp, Jzazbz_piv);
STVF(XX, tmp);
if(std::isnan(XX)) {//to avoid crash
tmp = F2V(0.f);;
}
vfloat prov = (Jzazbz_c1v - tmp) / ((Jzazbz_c3v * tmp) - Jzazbz_c2v);
x = plv * pow_F(prov, Jzazbz_niv);
STVF(XX, x);
if(std::isnan(XX)) {//to avoid crash
x = F2V(0.f);;
}
x *= mulhund;
mp *= mulone;
tmp = pow_F(mp, Jzazbz_piv);
STVF(YY, tmp);
if(std::isnan(YY)) {//to avoid crash
tmp = F2V(0.f);;
}
prov = (Jzazbz_c1v - tmp) / ((Jzazbz_c3v * tmp) - Jzazbz_c2v);
y = plv * pow_F(prov, Jzazbz_niv);
STVF(YY, y);
if(std::isnan(YY)) {//to avoid crash
y = F2V(0.f);;
}
y *= mulhund;
sp *= mulone;
tmp = pow_F(sp, Jzazbz_piv);
STVF(ZZ, tmp);
if(std::isnan(ZZ)) {//to avoid crash
tmp = F2V(0.f);;
}
prov = (Jzazbz_c1v - tmp) / ((Jzazbz_c3v * tmp) - Jzazbz_c2v);
STVF(pro, prov);
z = plv * pow_F(prov, Jzazbz_niv);
STVF(ZZ, z);
if(std::isnan(ZZ)) {//to avoid crash
z = F2V(0.f);;
}
z *= mulhund;
}
}
#endif
@@ -429,7 +627,7 @@ void Ciecam02::calculate_abfloat ( vfloat &aa, vfloat &bb, vfloat h, vfloat e, v
#endif
void Ciecam02::initcam1float (float yb, float pilotd, float f, float la, float xw, float yw, float zw, float &n, float &d, float &nbb, float &ncb,
float &cz, float &aw, float &wh, float &pfl, float &fl, float c, int c16)
float &cz, float &aw, float &wh, float &pfl, float &fl, float c, int c16, float plum)
{
n = yb / yw;
@@ -442,13 +640,13 @@ void Ciecam02::initcam1float (float yb, float pilotd, float f, float la, float x
fl = calculate_fl_from_la_ciecam02float ( la );
nbb = ncb = 0.725f * pow_F ( 1.0f / n, 0.2f );
cz = 1.48f + sqrt ( n );
aw = achromatic_response_to_whitefloat ( xw, yw, zw, d, fl, nbb, c16);
aw = achromatic_response_to_whitefloat ( xw, yw, zw, d, fl, nbb, c16, plum);
wh = ( 4.0f / c ) * ( aw + 4.0f ) * pow_F ( fl, 0.25f );
pfl = pow_F ( fl, 0.25f );
}
void Ciecam02::initcam2float (float yb, float pilotd, float f, float la, float xw, float yw, float zw, float &n, float &d, float &nbb, float &ncb,
float &cz, float &aw, float &fl, int c16)
float &cz, float &aw, float &fl, int c16, float plum)
{
n = yb / yw;
@@ -462,12 +660,135 @@ void Ciecam02::initcam2float (float yb, float pilotd, float f, float la, float x
fl = calculate_fl_from_la_ciecam02float ( la );
nbb = ncb = 0.725f * pow_F ( 1.0f / n, 0.2f );
cz = 1.48f + sqrt ( n );
aw = achromatic_response_to_whitefloat ( xw, yw, zw, d, fl, nbb, c16);
aw = achromatic_response_to_whitefloat ( xw, yw, zw, d, fl, nbb, c16, plum);
}
void Ciecam02::xyz2jzczhz ( double &Jz, double &az, double &bz, double x, double y, double z, double pl, double &Lp, double &Mp, double &Sp, bool zcam)
{ //from various web
double Xp, Yp, Zp, L, M, S, Iz;
double peakLum = 1. / pl;
//I change 10000 for peaklum function of la (absolute luminance)- default 10000
Xp = Jzazbz_b * x - ((Jzazbz_b - 1.) * z);
Yp = Jzazbz_g * y - ((Jzazbz_g - 1.) * x);
Zp = z;
L = 0.41478972 * Xp + 0.579999 * Yp + 0.0146480 * Zp;
M = -0.2015100 * Xp + 1.120649 * Yp + 0.0531008 * Zp;
S = -0.0166008 * Xp + 0.264800 * Yp + 0.6684799 * Zp;
//I use isnan() because I have tested others solutions with std::max(xxx,0) and in some cases crash
// Lp = pow((Jzazbz_c1 + Jzazbz_c2 * pow(std::max((L * peakLum), 0.), Jzazbz_n)) / (1. + Jzazbz_c3 * pow((L * peakLum), Jzazbz_n)), Jzazbz_p);
// Mp = pow((Jzazbz_c1 + Jzazbz_c2 * pow(std::max((M * peakLum),0.), Jzazbz_n)) / (1. + Jzazbz_c3 * pow((M * peakLum), Jzazbz_n)), Jzazbz_p);
// Sp = pow((Jzazbz_c1 + Jzazbz_c2 * pow(std::max((S * peakLum), 0.), Jzazbz_n)) / (1. + Jzazbz_c3 * pow((S * peakLum), Jzazbz_n)), Jzazbz_p);
double temp = pow(L * peakLum, Jzazbz_n);
if(std::isnan(temp)) {//to avoid crash
temp = 0.;
}
Lp = pow((Jzazbz_c1 + Jzazbz_c2 * temp) / (1. + Jzazbz_c3 * temp), Jzazbz_p);
if(std::isnan(Lp)) {//to avoid crash
Lp = 0.;
}
temp = pow(M * peakLum, Jzazbz_n);
if(std::isnan(temp)) {//to avoid crash
temp = 0.;
}
Mp = pow((Jzazbz_c1 + Jzazbz_c2 * temp) / (1. + Jzazbz_c3 * temp), Jzazbz_p);
if(std::isnan(Mp)) {//to avoid crash
Mp = 0.;
}
temp = pow(S * peakLum, Jzazbz_n);
if(std::isnan(temp)) {//to avoid crash
temp = 0.;
}
Sp = pow((Jzazbz_c1 + Jzazbz_c2 * temp) / (1. + Jzazbz_c3 * temp), Jzazbz_p);
if(std::isnan(Sp)) {//to avoid crash
Sp = 0.;
}
Iz = 0.5 * Lp + 0.5 * Mp;
az = 3.524000 * Lp - 4.066708 * Mp + 0.542708 * Sp;
bz = 0.199076 * Lp + 1.096799 * Mp - 1.295875 * Sp;
if(!zcam) {
Jz = (((1. + Jzazbz_d) * Iz) / (1. + Jzazbz_d * Iz)) - Jzazbz_d0;
// Jz = std::max((((1. + Jzazbz_d) * Iz) / (1. + Jzazbz_d * Iz)) - Jzazbz_d0, 0.);
} else {
//or if we use ZCAM Jz = Mp - Jzazbz_d0
Jz = Mp - Jzazbz_d0;
}
}
void Ciecam02::jzczhzxyz (double &x, double &y, double &z, double jz, double az, double bz, double pl, double &L, double &M, double &S, bool zcam)
{ //from various web
//I use isnan() because I have tested others solutions with std::max(xxx,0) and in some cases crash
double Xp, Yp, Zp, Lp, Mp, Sp, Iz, tmp;
if(!zcam) {
// Iz = std::max((jz + Jzazbz_d0) / (1. + Jzazbz_d - Jzazbz_d * (jz + Jzazbz_d0)), 0.);
Iz = (jz + Jzazbz_d0) / (1. + Jzazbz_d - Jzazbz_d * (jz + Jzazbz_d0));
} else {
//or if we use ZCAM Iz = Jz + Jzazbz_d0
Iz = jz + Jzazbz_d0;
}
Lp = Iz + 0.138605043271539 * az + 0.0580473161561189 * bz;
Mp = Iz - 0.138605043271539 * az - 0.0580473161561189 * bz;
Sp = Iz - 0.0960192420263189 * az - 0.811891896056039 * bz;
//I change optionnaly 10000 for pl function of la(absolute luminance) default 10000
tmp = pow(Lp, Jzazbz_pi);
if(std::isnan(tmp)) {//to avoid crash
tmp = 0.;
}
L = pl * pow((Jzazbz_c1 - tmp) / ((Jzazbz_c3 * tmp) - Jzazbz_c2), Jzazbz_ni);
if(std::isnan(L)) {//to avoid crash
L = 0.;
}
tmp = pow(Mp, Jzazbz_pi);
if(std::isnan(tmp)) {//to avoid crash
tmp = 0.;
}
M = pl * pow((Jzazbz_c1 - tmp) / ((Jzazbz_c3 * tmp) - Jzazbz_c2), Jzazbz_ni);
if(std::isnan(M)) {//to avoid crash
M = 0.;
}
tmp = pow(Sp, Jzazbz_pi);
if(std::isnan(tmp)) {//to avoid crash
tmp = 0.;
}
S = pl * pow((Jzazbz_c1 - tmp) / ((Jzazbz_c3 * tmp) - Jzazbz_c2), Jzazbz_ni);
if(std::isnan(S)) {//to avoid crash
S = 0.;
}
Xp = 1.9242264357876067 * L - 1.0047923125953657 * M + 0.0376514040306180 * S;
Yp = 0.3503167620949991 * L + 0.7264811939316552 * M - 0.0653844229480850 * S;
Zp = -0.0909828109828475 * L - 0.3127282905230739 * M + 1.5227665613052603 * S;
x = (Xp + (Jzazbz_b - 1.) * Zp) / Jzazbz_b;
if(std::isnan(x)) {//to avoid crash
x = 0.;
}
y = (Yp + (Jzazbz_g - 1.) * x) / Jzazbz_g;
if(std::isnan(y)) {
y = 0.;
}
z = Zp;
if(std::isnan(z)) {
z = 0.;
}
}
void Ciecam02::xyz2jchqms_ciecam02float ( float &J, float &C, float &h, float &Q, float &M, float &s, float aw, float fl, float wh,
float x, float y, float z, float xw, float yw, float zw,
float c, float nc, float pow1, float nbb, float ncb, float pfl, float cz, float d, int c16)
float c, float nc, float pow1, float nbb, float ncb, float pfl, float cz, float d, int c16, float plum)
{
float r, g, b;
@@ -478,8 +799,8 @@ void Ciecam02::xyz2jchqms_ciecam02float ( float &J, float &C, float &h, float &Q
float a, ca, cb;
float e, t;
float myh;
xyz_to_cat02float ( r, g, b, x, y, z, c16);
xyz_to_cat02float ( rw, gw, bw, xw, yw, zw, c16);
xyz_to_cat02float ( r, g, b, x, y, z, c16, plum);
xyz_to_cat02float ( rw, gw, bw, xw, yw, zw, c16, plum);
rc = r * (((yw * d) / rw) + (1.f - d));
gc = g * (((yw * d) / gw) + (1.f - d));
bc = b * (((yw * d) / bw) + (1.f - d));
@@ -530,7 +851,7 @@ void Ciecam02::xyz2jchqms_ciecam02float ( float &J, float &C, float &h, float &Q
#ifdef __SSE2__
void Ciecam02::xyz2jchqms_ciecam02float ( vfloat &J, vfloat &C, vfloat &h, vfloat &Q, vfloat &M, vfloat &s, vfloat aw, vfloat fl, vfloat wh,
vfloat x, vfloat y, vfloat z, vfloat xw, vfloat yw, vfloat zw,
vfloat c, vfloat nc, vfloat pow1, vfloat nbb, vfloat ncb, vfloat pfl, vfloat cz, vfloat d, int c16)
vfloat c, vfloat nc, vfloat pow1, vfloat nbb, vfloat ncb, vfloat pfl, vfloat cz, vfloat d, int c16, vfloat plum)
{
vfloat r, g, b;
@@ -541,8 +862,8 @@ void Ciecam02::xyz2jchqms_ciecam02float ( vfloat &J, vfloat &C, vfloat &h, vfloa
vfloat a, ca, cb;
vfloat e, t;
xyz_to_cat02float ( r, g, b, x, y, z, c16);
xyz_to_cat02float ( rw, gw, bw, xw, yw, zw, c16);
xyz_to_cat02float ( r, g, b, x, y, z, c16, plum);
xyz_to_cat02float ( rw, gw, bw, xw, yw, zw, c16, plum);
vfloat onev = F2V (1.f);
rc = r * (((yw * d) / rw) + (onev - d));
gc = g * (((yw * d) / gw) + (onev - d));
@@ -595,7 +916,7 @@ void Ciecam02::xyz2jchqms_ciecam02float ( vfloat &J, vfloat &C, vfloat &h, vfloa
void Ciecam02::xyz2jch_ciecam02float ( float &J, float &C, float &h, float aw, float fl,
float x, float y, float z, float xw, float yw, float zw,
float c, float nc, float pow1, float nbb, float ncb, float cz, float d, int c16)
float c, float nc, float pow1, float nbb, float ncb, float cz, float d, int c16, float plum)
{
float r, g, b;
@@ -606,8 +927,8 @@ void Ciecam02::xyz2jch_ciecam02float ( float &J, float &C, float &h, float aw, f
float a, ca, cb;
float e, t;
float myh;
xyz_to_cat02float ( r, g, b, x, y, z, c16);
xyz_to_cat02float ( rw, gw, bw, xw, yw, zw, c16);
xyz_to_cat02float ( r, g, b, x, y, z, c16, plum);
xyz_to_cat02float ( rw, gw, bw, xw, yw, zw, c16, plum);
rc = r * (((yw * d) / rw) + (1.f - d));
gc = g * (((yw * d) / gw) + (1.f - d));
bc = b * (((yw * d) / bw) + (1.f - d));
@@ -664,7 +985,7 @@ void Ciecam02::xyz2jch_ciecam02float ( float &J, float &C, float &h, float aw, f
void Ciecam02::jch2xyz_ciecam02float ( float &x, float &y, float &z, float J, float C, float h,
float xw, float yw, float zw,
float c, float nc, float pow1, float nbb, float ncb, float fl, float cz, float d, float aw, int c16)
float c, float nc, float pow1, float nbb, float ncb, float fl, float cz, float d, float aw, int c16, float plum)
{
float r, g, b;
float rc, gc, bc;
@@ -673,7 +994,7 @@ void Ciecam02::jch2xyz_ciecam02float ( float &x, float &y, float &z, float J, fl
float rw, gw, bw;
float a, ca, cb;
float e, t;
xyz_to_cat02float(rw, gw, bw, xw, yw, zw, c16);
xyz_to_cat02float(rw, gw, bw, xw, yw, zw, c16, plum);
e = ((961.53846f) * nc * ncb) * (xcosf(h * rtengine::RT_PI_F_180 + 2.0f) + 3.8f);
#ifdef __SSE2__
@@ -705,7 +1026,7 @@ void Ciecam02::jch2xyz_ciecam02float ( float &x, float &y, float &z, float J, fl
if(c16 == 1) {//cat02
hpe_to_xyzfloat(x, y, z, rp, gp, bp, c16);
xyz_to_cat02float(rc, gc, bc, x, y, z, c16);
xyz_to_cat02float(rc, gc, bc, x, y, z, c16, plum);
r = rc / (((yw * d) / rw) + (1.0f - d));
g = gc / (((yw * d) / gw) + (1.0f - d));
@@ -716,13 +1037,13 @@ void Ciecam02::jch2xyz_ciecam02float ( float &x, float &y, float &z, float J, fl
b = bp / (((yw * d) / bw) + (1.0f - d));
}
cat02_to_xyzfloat(x, y, z, r, g, b, c16);
cat02_to_xyzfloat(x, y, z, r, g, b, c16, plum);
}
#ifdef __SSE2__
void Ciecam02::jch2xyz_ciecam02float ( vfloat &x, vfloat &y, vfloat &z, vfloat J, vfloat C, vfloat h,
vfloat xw, vfloat yw, vfloat zw,
vfloat nc, vfloat pow1, vfloat nbb, vfloat ncb, vfloat fl, vfloat d, vfloat aw, vfloat reccmcz, int c16)
vfloat nc, vfloat pow1, vfloat nbb, vfloat ncb, vfloat fl, vfloat d, vfloat aw, vfloat reccmcz, int c16, vfloat plum)
{
vfloat r, g, b;
vfloat rc, gc, bc;
@@ -731,7 +1052,7 @@ void Ciecam02::jch2xyz_ciecam02float ( vfloat &x, vfloat &y, vfloat &z, vfloat J
vfloat rw, gw, bw;
vfloat a, ca, cb;
vfloat e, t;
xyz_to_cat02float ( rw, gw, bw, xw, yw, zw, c16);
xyz_to_cat02float ( rw, gw, bw, xw, yw, zw, c16, plum);
e = ((F2V (961.53846f)) * nc * ncb) * (xcosf ( ((h * F2V (rtengine::RT_PI)) / F2V (180.0f)) + F2V (2.0f) ) + F2V (3.8f));
a = pow_F ( J / F2V (100.0f), reccmcz ) * aw;
t = pow_F ( F2V (10.f) * C / (vsqrtf ( J ) * pow1), F2V (1.1111111f) );
@@ -745,7 +1066,7 @@ void Ciecam02::jch2xyz_ciecam02float ( vfloat &x, vfloat &y, vfloat &z, vfloat J
if(c16 == 1) {//cat02
hpe_to_xyzfloat ( x, y, z, rp, gp, bp, c16);
xyz_to_cat02float ( rc, gc, bc, x, y, z, c16 );
xyz_to_cat02float ( rc, gc, bc, x, y, z, c16, plum );
r = rc / (((yw * d) / rw) + (F2V (1.0f) - d));
g = gc / (((yw * d) / gw) + (F2V (1.0f) - d));
@@ -756,7 +1077,7 @@ void Ciecam02::jch2xyz_ciecam02float ( vfloat &x, vfloat &y, vfloat &z, vfloat J
b = bp / (((yw * d) / bw) + (F2V (1.0f) - d));
}
cat02_to_xyzfloat ( x, y, z, r, g, b, c16 );
cat02_to_xyzfloat ( x, y, z, r, g, b, c16, plum );
}
#endif