作者在 2008-06-27 19:38:43 发布以下内容
恳切希望大姐大哥解释一下这个有关图像处理的程序,敝人再次向您致敬。非常着急。
#include <math.h>
#include <vcl.h>
//------------------------------亅亅亅亅亅亅亅亅亅亅rgb to XYZ (sRGB婯奿偱)
void sRGBtoLAB(int R1,int G1,int B1,float &L,float &A,float &B)
{
double R3,G3,B3; //僨僶僀僗怣崋
double X,Y,Z; //嶰巋寖抣
double Xw,Yw,Zw;//敀怓偺嶰巋寖抣
double XXw,YYw,ZZw; //搑拞寁嶼
double fXXw,fYYw,fZZw; //搑拞寁嶼
Xw=0.95045;//D65
Yw=1.0;
Zw=1.08905;
R3=(double)R1/255.;//255傪1偵惓婯壔
G3=(double)G1/255.;
B3=(double)B1/255.;
if(R3<=0.03928)R3/=12.92; else R3=pow((R3+0.055)/1.055,2.4);
if(G3<=0.03928)G3/=12.92; else G3=pow((G3+0.055)/1.055,2.4);
if(B3<=0.03928)B3/=12.92; else B3=pow((B3+0.055)/1.055,2.4);
X=0.4124*R3+0.3576*G3+0.1805*B3;
Y=0.2126*R3+0.7152*G3+0.0722*B3;
Z=0.0193*R3+0.1192*G3+0.9505*B3;
//xreal=X*100.0; yreal=Y*100.0; zreal=Z*100.0;
//------------------------------亅亅亅亅亅亅亅亅亅亅XYZ to LAB
XXw=X/Xw;
YYw=Y/Yw;
ZZw=Z/Zw;
if(XXw<=0.008856)fXXw=7.787*XXw+16.0/116.0; else fXXw=pow(XXw,1.0/3.0);
if(YYw<=0.008856)fYYw=7.787*YYw+16.0/116.0; else fYYw=pow(YYw,1.0/3.0);
if(ZZw<=0.008856)fZZw=7.787*ZZw+16.0/116.0; else fZZw=pow(ZZw,1.0/3.0);
L=116.0*fYYw-16.0;
A=500.0*(fXXw-fYYw);
B=200.0*(fYYw-fZZw);
if(L>100.0)L=100.0;
if(L<0.0)L=0.0;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅
void LABtosRGB(float Ll,float Aa,float Bb,int &dR,int &dG,int &dB)
{
double r,g,b;
double X,Y,Z; //嶰巋寖抣
double Xw,Yw,Zw;//敀怓偺嶰巋寖抣
double XXw,YYw,ZZw; //搑拞寁嶼
double fXXw,fYYw,fZZw; //搑拞寁嶼
Xw=0.95045;//D65
Yw=1.;
Zw=1.08905;
fYYw=(Ll+16.0)/116.0;
fXXw=Aa/500.0+fYYw;
fZZw=fYYw-Bb/200.0;
if(fXXw>0.206896)XXw=pow(fXXw,3.0); else XXw=(fXXw-16.0/116)/7.787;
if(fYYw>0.206896)YYw=pow(fYYw,3.0); else YYw=(fYYw-16.0/116)/7.787;
if(fZZw>0.206896)ZZw=pow(fZZw,3.0); else ZZw=(fZZw-16.0/116)/7.787;
X=XXw*Xw;
Y=YYw*Yw;
Z=ZZw*Zw;
// xreal=X*100.0; yreal=Y*100.0; zreal=Z*100.0;
//------------------------------亅亅亅亅亅亅亅亅亅亅XYZ to rgb (sRGB婯奿偱)
r= 3.2410*X-1.5374*Y-0.4986*Z;
g=-0.9692*X+1.8760*Y+0.0416*Z;
b= 0.0556*X-0.2040*Y+1.0570*Z;
if(r<=0.00304)r*=12.92; else r=1.055*pow(r,1.0/2.4)-0.055;
if(g<=0.00304)g*=12.92; else g=1.055*pow(g,1.0/2.4)-0.055;
if(b<=0.00304)b*=12.92; else b=1.055*pow(b,1.0/2.4)-0.055;
r*=255.;//1傪255偵惓婯壔
g*=255.;
b*=255.;
dR=(int)r+0.5;
dG=(int)g+0.5;
dB=(int)b+0.5;
if(dR>255)dR=255;
if(dG>255)dG=255;
if(dB>255)dB=255;
if(dR<0)dR=0;
if(dG<0)dG=0;
if(dB<0)dB=0;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅r,g,b傪24bit偵偡傞
void makeColor1(TColor color1,int &lutR1,int &lutG1,int &lutB1)
{
TColor temp_color = color1;
lutR1=(temp_color >> (0)) & ~(~0 << 8);
lutG1=(temp_color >> (8)) & ~(~0 << 8);
lutB1=(temp_color >> (16)) & ~(~0 << 8);
}
//------------------------------亅亅亅亅亅亅亅亅亅亅24bit傪Tcolor宆偵偡傞
void makeRGB1(int lutR,int lutG,int lutB,TColor &color)
{
int c = 0L;
c = lutB << 16; c += lutG << 8; c += lutR ;
color = (TColor)c;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅留言
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#include <math.h>
#include <vcl.h>
//------------------------------亅亅亅亅亅亅亅亅亅亅rgb to XYZ (sRGB婯奿偱)
void sRGBtoLAB(int R1,int G1,int B1,float &L,float &A,float &B)
{
double R3,G3,B3; //僨僶僀僗怣崋
double X,Y,Z; //嶰巋寖抣
double Xw,Yw,Zw;//敀怓偺嶰巋寖抣
double XXw,YYw,ZZw; //搑拞寁嶼
double fXXw,fYYw,fZZw; //搑拞寁嶼
Xw=0.95045;//D65
Yw=1.0;
Zw=1.08905;
R3=(double)R1/255.;//255傪1偵惓婯壔
G3=(double)G1/255.;
B3=(double)B1/255.;
if(R3<=0.03928)R3/=12.92; else R3=pow((R3+0.055)/1.055,2.4);
if(G3<=0.03928)G3/=12.92; else G3=pow((G3+0.055)/1.055,2.4);
if(B3<=0.03928)B3/=12.92; else B3=pow((B3+0.055)/1.055,2.4);
X=0.4124*R3+0.3576*G3+0.1805*B3;
Y=0.2126*R3+0.7152*G3+0.0722*B3;
Z=0.0193*R3+0.1192*G3+0.9505*B3;
//xreal=X*100.0; yreal=Y*100.0; zreal=Z*100.0;
//------------------------------亅亅亅亅亅亅亅亅亅亅XYZ to LAB
XXw=X/Xw;
YYw=Y/Yw;
ZZw=Z/Zw;
if(XXw<=0.008856)fXXw=7.787*XXw+16.0/116.0; else fXXw=pow(XXw,1.0/3.0);
if(YYw<=0.008856)fYYw=7.787*YYw+16.0/116.0; else fYYw=pow(YYw,1.0/3.0);
if(ZZw<=0.008856)fZZw=7.787*ZZw+16.0/116.0; else fZZw=pow(ZZw,1.0/3.0);
L=116.0*fYYw-16.0;
A=500.0*(fXXw-fYYw);
B=200.0*(fYYw-fZZw);
if(L>100.0)L=100.0;
if(L<0.0)L=0.0;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅
void LABtosRGB(float Ll,float Aa,float Bb,int &dR,int &dG,int &dB)
{
double r,g,b;
double X,Y,Z; //嶰巋寖抣
double Xw,Yw,Zw;//敀怓偺嶰巋寖抣
double XXw,YYw,ZZw; //搑拞寁嶼
double fXXw,fYYw,fZZw; //搑拞寁嶼
Xw=0.95045;//D65
Yw=1.;
Zw=1.08905;
fYYw=(Ll+16.0)/116.0;
fXXw=Aa/500.0+fYYw;
fZZw=fYYw-Bb/200.0;
if(fXXw>0.206896)XXw=pow(fXXw,3.0); else XXw=(fXXw-16.0/116)/7.787;
if(fYYw>0.206896)YYw=pow(fYYw,3.0); else YYw=(fYYw-16.0/116)/7.787;
if(fZZw>0.206896)ZZw=pow(fZZw,3.0); else ZZw=(fZZw-16.0/116)/7.787;
X=XXw*Xw;
Y=YYw*Yw;
Z=ZZw*Zw;
// xreal=X*100.0; yreal=Y*100.0; zreal=Z*100.0;
//------------------------------亅亅亅亅亅亅亅亅亅亅XYZ to rgb (sRGB婯奿偱)
r= 3.2410*X-1.5374*Y-0.4986*Z;
g=-0.9692*X+1.8760*Y+0.0416*Z;
b= 0.0556*X-0.2040*Y+1.0570*Z;
if(r<=0.00304)r*=12.92; else r=1.055*pow(r,1.0/2.4)-0.055;
if(g<=0.00304)g*=12.92; else g=1.055*pow(g,1.0/2.4)-0.055;
if(b<=0.00304)b*=12.92; else b=1.055*pow(b,1.0/2.4)-0.055;
r*=255.;//1傪255偵惓婯壔
g*=255.;
b*=255.;
dR=(int)r+0.5;
dG=(int)g+0.5;
dB=(int)b+0.5;
if(dR>255)dR=255;
if(dG>255)dG=255;
if(dB>255)dB=255;
if(dR<0)dR=0;
if(dG<0)dG=0;
if(dB<0)dB=0;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅r,g,b傪24bit偵偡傞
void makeColor1(TColor color1,int &lutR1,int &lutG1,int &lutB1)
{
TColor temp_color = color1;
lutR1=(temp_color >> (0)) & ~(~0 << 8);
lutG1=(temp_color >> (8)) & ~(~0 << 8);
lutB1=(temp_color >> (16)) & ~(~0 << 8);
}
//------------------------------亅亅亅亅亅亅亅亅亅亅24bit傪Tcolor宆偵偡傞
void makeRGB1(int lutR,int lutG,int lutB,TColor &color)
{
int c = 0L;
c = lutB << 16; c += lutG << 8; c += lutR ;
color = (TColor)c;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅留言
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我的空间 联系我们 Powered by UCenter Home 1.2 © 2001-2008 Comsenz Inc.
恳切希望大姐大哥解释一下这个有关图像处理的程序,敝人再次向您致敬。
#include <math.h>
#include <vcl.h>
//------------------------------亅亅亅亅亅亅亅亅亅亅rgb to XYZ (sRGB婯奿偱)
void sRGBtoLAB(int R1,int G1,int B1,float &L,float &A,float &B)
{
double R3,G3,B3; //僨僶僀僗怣崋
double X,Y,Z; //嶰巋寖抣
double Xw,Yw,Zw;//敀怓偺嶰巋寖抣
double XXw,YYw,ZZw; //搑拞寁嶼
double fXXw,fYYw,fZZw; //搑拞寁嶼
Xw=0.95045;//D65
Yw=1.0;
Zw=1.08905;
R3=(double)R1/255.;//255傪1偵惓婯壔
G3=(double)G1/255.;
B3=(double)B1/255.;
if(R3<=0.03928)R3/=12.92; else R3=pow((R3+0.055)/1.055,2.4);
if(G3<=0.03928)G3/=12.92; else G3=pow((G3+0.055)/1.055,2.4);
if(B3<=0.03928)B3/=12.92; else B3=pow((B3+0.055)/1.055,2.4);
X=0.4124*R3+0.3576*G3+0.1805*B3;
Y=0.2126*R3+0.7152*G3+0.0722*B3;
Z=0.0193*R3+0.1192*G3+0.9505*B3;
//xreal=X*100.0; yreal=Y*100.0; zreal=Z*100.0;
//------------------------------亅亅亅亅亅亅亅亅亅亅XYZ to LAB
XXw=X/Xw;
YYw=Y/Yw;
ZZw=Z/Zw;
if(XXw<=0.008856)fXXw=7.787*XXw+16.0/116.0; else fXXw=pow(XXw,1.0/3.0);
if(YYw<=0.008856)fYYw=7.787*YYw+16.0/116.0; else fYYw=pow(YYw,1.0/3.0);
if(ZZw<=0.008856)fZZw=7.787*ZZw+16.0/116.0; else fZZw=pow(ZZw,1.0/3.0);
L=116.0*fYYw-16.0;
A=500.0*(fXXw-fYYw);
B=200.0*(fYYw-fZZw);
if(L>100.0)L=100.0;
if(L<0.0)L=0.0;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅
void LABtosRGB(float Ll,float Aa,float Bb,int &dR,int &dG,int &dB)
{
double r,g,b;
double X,Y,Z; //嶰巋寖抣
double Xw,Yw,Zw;//敀怓偺嶰巋寖抣
double XXw,YYw,ZZw; //搑拞寁嶼
double fXXw,fYYw,fZZw; //搑拞寁嶼
Xw=0.95045;//D65
Yw=1.;
Zw=1.08905;
fYYw=(Ll+16.0)/116.0;
fXXw=Aa/500.0+fYYw;
fZZw=fYYw-Bb/200.0;
if(fXXw>0.206896)XXw=pow(fXXw,3.0); else XXw=(fXXw-16.0/116)/7.787;
if(fYYw>0.206896)YYw=pow(fYYw,3.0); else YYw=(fYYw-16.0/116)/7.787;
if(fZZw>0.206896)ZZw=pow(fZZw,3.0); else ZZw=(fZZw-16.0/116)/7.787;
X=XXw*Xw;
Y=YYw*Yw;
Z=ZZw*Zw;
// xreal=X*100.0; yreal=Y*100.0; zreal=Z*100.0;
//------------------------------亅亅亅亅亅亅亅亅亅亅XYZ to rgb (sRGB婯奿偱)
r= 3.2410*X-1.5374*Y-0.4986*Z;
g=-0.9692*X+1.8760*Y+0.0416*Z;
b= 0.0556*X-0.2040*Y+1.0570*Z;
if(r<=0.00304)r*=12.92; else r=1.055*pow(r,1.0/2.4)-0.055;
if(g<=0.00304)g*=12.92; else g=1.055*pow(g,1.0/2.4)-0.055;
if(b<=0.00304)b*=12.92; else b=1.055*pow(b,1.0/2.4)-0.055;
r*=255.;//1傪255偵惓婯壔
g*=255.;
b*=255.;
dR=(int)r+0.5;
dG=(int)g+0.5;
dB=(int)b+0.5;
if(dR>255)dR=255;
if(dG>255)dG=255;
if(dB>255)dB=255;
if(dR<0)dR=0;
if(dG<0)dG=0;
if(dB<0)dB=0;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅r,g,b傪24bit偵偡傞
void makeColor1(TColor color1,int &lutR1,int &lutG1,int &lutB1)
{
TColor temp_color = color1;
lutR1=(temp_color >> (0)) & ~(~0 << 8);
lutG1=(temp_color >> (8)) & ~(~0 << 8);
lutB1=(temp_color >> (16)) & ~(~0 << 8);
}
//------------------------------亅亅亅亅亅亅亅亅亅亅24bit傪Tcolor宆偵偡傞
void makeRGB1(int lutR,int lutG,int lutB,TColor &color)
{
int c = 0L;
c = lutB << 16; c += lutG << 8; c += lutR ;
color = (TColor)c;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅
#include <math.h>
#include <vcl.h>
//------------------------------亅亅亅亅亅亅亅亅亅亅rgb to XYZ (sRGB婯奿偱)
void sRGBtoLAB(int R1,int G1,int B1,float &L,float &A,float &B)
{
double R3,G3,B3; //僨僶僀僗怣崋
double X,Y,Z; //嶰巋寖抣
double Xw,Yw,Zw;//敀怓偺嶰巋寖抣
double XXw,YYw,ZZw; //搑拞寁嶼
double fXXw,fYYw,fZZw; //搑拞寁嶼
Xw=0.95045;//D65
Yw=1.0;
Zw=1.08905;
R3=(double)R1/255.;//255傪1偵惓婯壔
G3=(double)G1/255.;
B3=(double)B1/255.;
if(R3<=0.03928)R3/=12.92; else R3=pow((R3+0.055)/1.055,2.4);
if(G3<=0.03928)G3/=12.92; else G3=pow((G3+0.055)/1.055,2.4);
if(B3<=0.03928)B3/=12.92; else B3=pow((B3+0.055)/1.055,2.4);
X=0.4124*R3+0.3576*G3+0.1805*B3;
Y=0.2126*R3+0.7152*G3+0.0722*B3;
Z=0.0193*R3+0.1192*G3+0.9505*B3;
//xreal=X*100.0; yreal=Y*100.0; zreal=Z*100.0;
//------------------------------亅亅亅亅亅亅亅亅亅亅XYZ to LAB
XXw=X/Xw;
YYw=Y/Yw;
ZZw=Z/Zw;
if(XXw<=0.008856)fXXw=7.787*XXw+16.0/116.0; else fXXw=pow(XXw,1.0/3.0);
if(YYw<=0.008856)fYYw=7.787*YYw+16.0/116.0; else fYYw=pow(YYw,1.0/3.0);
if(ZZw<=0.008856)fZZw=7.787*ZZw+16.0/116.0; else fZZw=pow(ZZw,1.0/3.0);
L=116.0*fYYw-16.0;
A=500.0*(fXXw-fYYw);
B=200.0*(fYYw-fZZw);
if(L>100.0)L=100.0;
if(L<0.0)L=0.0;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅
void LABtosRGB(float Ll,float Aa,float Bb,int &dR,int &dG,int &dB)
{
double r,g,b;
double X,Y,Z; //嶰巋寖抣
double Xw,Yw,Zw;//敀怓偺嶰巋寖抣
double XXw,YYw,ZZw; //搑拞寁嶼
double fXXw,fYYw,fZZw; //搑拞寁嶼
Xw=0.95045;//D65
Yw=1.;
Zw=1.08905;
fYYw=(Ll+16.0)/116.0;
fXXw=Aa/500.0+fYYw;
fZZw=fYYw-Bb/200.0;
if(fXXw>0.206896)XXw=pow(fXXw,3.0); else XXw=(fXXw-16.0/116)/7.787;
if(fYYw>0.206896)YYw=pow(fYYw,3.0); else YYw=(fYYw-16.0/116)/7.787;
if(fZZw>0.206896)ZZw=pow(fZZw,3.0); else ZZw=(fZZw-16.0/116)/7.787;
X=XXw*Xw;
Y=YYw*Yw;
Z=ZZw*Zw;
// xreal=X*100.0; yreal=Y*100.0; zreal=Z*100.0;
//------------------------------亅亅亅亅亅亅亅亅亅亅XYZ to rgb (sRGB婯奿偱)
r= 3.2410*X-1.5374*Y-0.4986*Z;
g=-0.9692*X+1.8760*Y+0.0416*Z;
b= 0.0556*X-0.2040*Y+1.0570*Z;
if(r<=0.00304)r*=12.92; else r=1.055*pow(r,1.0/2.4)-0.055;
if(g<=0.00304)g*=12.92; else g=1.055*pow(g,1.0/2.4)-0.055;
if(b<=0.00304)b*=12.92; else b=1.055*pow(b,1.0/2.4)-0.055;
r*=255.;//1傪255偵惓婯壔
g*=255.;
b*=255.;
dR=(int)r+0.5;
dG=(int)g+0.5;
dB=(int)b+0.5;
if(dR>255)dR=255;
if(dG>255)dG=255;
if(dB>255)dB=255;
if(dR<0)dR=0;
if(dG<0)dG=0;
if(dB<0)dB=0;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅r,g,b傪24bit偵偡傞
void makeColor1(TColor color1,int &lutR1,int &lutG1,int &lutB1)
{
TColor temp_color = color1;
lutR1=(temp_color >> (0)) & ~(~0 << 8);
lutG1=(temp_color >> (8)) & ~(~0 << 8);
lutB1=(temp_color >> (16)) & ~(~0 << 8);
}
//------------------------------亅亅亅亅亅亅亅亅亅亅24bit傪Tcolor宆偵偡傞
void makeRGB1(int lutR,int lutG,int lutB,TColor &color)
{
int c = 0L;
c = lutB << 16; c += lutG << 8; c += lutR ;
color = (TColor)c;
}
//------------------------------亅亅亅亅亅亅亅亅亅亅
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