class Decolor
{
- private:
- Mat kernel;
- Mat kernel1;
- int order;
-
- public:
- void init();
- vector<double> product(vector < vector<int> > &comb, vector <double> &initRGB);
- void singleChannelGradx(const Mat &img, Mat& dest);
- void singleChannelGrady(const Mat &img, Mat& dest);
- void gradvector(const Mat &img, vector <double> &grad);
- void colorGrad(Mat img, vector <double> &Cg);
- void add_vector(vector < vector <int> > &comb, int r,int g,int b);
- void add_to_vector_poly(vector < vector <double> > &polyGrad, vector <double> &curGrad);
- void weak_order(Mat img, vector <double> &alf);
- void grad_system(Mat img, vector < vector < double > > &polyGrad, vector < double > &Cg, vector < vector <int> >& comb);
- void wei_update_matrix(vector < vector <double> > &poly, vector <double> &Cg, Mat &X);
- void wei_inti(vector < vector <int> > &comb, vector <double> &wei);
- void grayImContruct(vector <double> &wei, Mat img, Mat &Gray);
+ private:
+ Mat kernel;
+ Mat kernel1;
+ int order;
+
+ public:
+ void init();
+ vector<double> product(vector < vector<int> > &comb, vector <double> &initRGB);
+ double energyCalcu(vector <double> &Cg, vector < vector <double> > &polyGrad, vector <double> &wei);
+ void singleChannelGradx(const Mat &img, Mat& dest);
+ void singleChannelGrady(const Mat &img, Mat& dest);
+ void gradvector(const Mat &img, vector <double> &grad);
+ void colorGrad(Mat img, vector <double> &Cg);
+ void add_vector(vector < vector <int> > &comb, int r,int g,int b);
+ void add_to_vector_poly(vector < vector <double> > &polyGrad, vector <double> &curGrad);
+ void weak_order(Mat img, vector <double> &alf);
+ void grad_system(Mat img, vector < vector < double > > &polyGrad,
+ vector < double > &Cg, vector < vector <int> >& comb);
+ void wei_update_matrix(vector < vector <double> > &poly, vector <double> &Cg, Mat &X);
+ void wei_inti(vector < vector <int> > &comb, vector <double> &wei);
+ void grayImContruct(vector <double> &wei, Mat img, Mat &Gray);
};
+int rounding(double a);
+
+int rounding(double a)
+{
+ return int(a + 0.5);
+}
+
+float sigma = .02;
+
+double Decolor::energyCalcu(vector <double> &Cg, vector < vector <double> > &polyGrad, vector <double> &wei)
+{
+ vector <double> P;
+
+ vector <double> temp;
+ vector <double> temp1;
+
+ double val = 0.0;
+ for(unsigned int i=0;i< polyGrad[0].size();i++)
+ {
+ val = 0.0;
+ for(unsigned int j =0;j<polyGrad.size();j++)
+ val = val + (polyGrad[j][i] * wei[j]);
+ temp.push_back(val - Cg[i]);
+ temp1.push_back(val + Cg[i]);
+ }
+
+ for(unsigned int i=0;i<polyGrad[0].size();i++)
+ P.push_back(-1.0*log(exp(-1.0*pow(temp[i],2)/sigma) + exp(-1.0*pow(temp1[i],2)/sigma)));
+
+ double sum = 0.0;
+ for(unsigned int i=0;i<polyGrad[0].size();i++)
+ sum +=P[i];
+
+ return (sum/polyGrad[0].size());
+
+}
+
+
+
void Decolor::init()
{
- kernel = Mat(1,2, CV_32FC1);
- kernel1 = Mat(2,1, CV_32FC1);
- kernel.at<float>(0,0)=1.0;
- kernel.at<float>(0,1)=-1.0;
- kernel1.at<float>(0,0)=1.0;
- kernel1.at<float>(1,0)=-1.0;
- order = 2;
+ kernel = Mat(1,2, CV_32FC1);
+ kernel1 = Mat(2,1, CV_32FC1);
+ kernel.at<float>(0,0)=1.0;
+ kernel.at<float>(0,1)=-1.0;
+ kernel1.at<float>(0,0)=1.0;
+ kernel1.at<float>(1,0)=-1.0;
+ order = 2;
}
vector<double> Decolor::product(vector < vector<int> > &comb, vector <double> &initRGB)
{
- vector <double> res;
- float dp;
- for (unsigned int i=0;i<comb.size();i++)
- {
- dp = 0.0f;
- for(int j=0;j<3;j++)
- dp += comb[i][j] * initRGB[j];
- res.push_back(dp);
- }
- return res;
+ vector <double> res;
+ float dp;
+ for (unsigned int i=0;i<comb.size();i++)
+ {
+ dp = 0.0f;
+ for(int j=0;j<3;j++)
+ dp += comb[i][j] * initRGB[j];
+ res.push_back(dp);
+ }
+ return res;
}
void Decolor::singleChannelGradx(const Mat &img, Mat& dest)
{
- int w=img.size().width;
- int h=img.size().height;
- Point anchor(kernel.cols - kernel.cols/2 - 1, kernel.rows - kernel.rows/2 - 1);
- filter2D(img, dest, -1, kernel, anchor, 0.0, BORDER_CONSTANT);
- for(int i=0;i<h;i++)
- dest.at<float>(i,w-1)=0.0;
+ int w=img.size().width;
+ int h=img.size().height;
+ Point anchor(kernel.cols - kernel.cols/2 - 1, kernel.rows - kernel.rows/2 - 1);
+ filter2D(img, dest, -1, kernel, anchor, 0.0, BORDER_CONSTANT);
+ for(int i=0;i<h;i++)
+ dest.at<float>(i,w-1)=0.0;
}
void Decolor::singleChannelGrady(const Mat &img, Mat& dest)
{
- int w=img.size().width;
- int h=img.size().height;
- Point anchor(kernel1.cols - kernel1.cols/2 - 1, kernel1.rows - kernel1.rows/2 - 1);
- filter2D(img, dest, -1, kernel1, anchor, 0.0, BORDER_CONSTANT);
- for(int j=0;j<w;j++)
- dest.at<float>(h-1,j)=0.0;
+ int w=img.size().width;
+ int h=img.size().height;
+ Point anchor(kernel1.cols - kernel1.cols/2 - 1, kernel1.rows - kernel1.rows/2 - 1);
+ filter2D(img, dest, -1, kernel1, anchor, 0.0, BORDER_CONSTANT);
+ for(int j=0;j<w;j++)
+ dest.at<float>(h-1,j)=0.0;
}
void Decolor::gradvector(const Mat &img, vector <double> &grad)
{
- Mat dest= Mat(img.size().height,img.size().width, CV_32FC1);
- Mat dest1= Mat(img.size().height,img.size().width, CV_32FC1);
- singleChannelGradx(img,dest);
- singleChannelGrady(img,dest1);
-
- Mat d_trans=dest.t();
- Mat d1_trans=dest1.t();
-
- int height = d_trans.size().height;
- int width = d_trans.size().width;
-
- for(int i=0;i<height;i++)
- for(int j=0;j<width;j++)
- grad.push_back(d_trans.at<float>(i,j));
-
- for(int i=0;i<height;i++)
- for(int j=0;j<width;j++)
- grad.push_back(d1_trans.at<float>(i,j));
- dest.release();
- dest1.release();
+ Mat dest= Mat(img.size().height,img.size().width, CV_32FC1);
+ Mat dest1= Mat(img.size().height,img.size().width, CV_32FC1);
+ singleChannelGradx(img,dest);
+ singleChannelGrady(img,dest1);
+
+ Mat d_trans=dest.t();
+ Mat d1_trans=dest1.t();
+
+ int height = d_trans.size().height;
+ int width = d_trans.size().width;
+
+ for(int i=0;i<height;i++)
+ for(int j=0;j<width;j++)
+ grad.push_back(d_trans.at<float>(i,j));
+
+ for(int i=0;i<height;i++)
+ for(int j=0;j<width;j++)
+ grad.push_back(d1_trans.at<float>(i,j));
+ dest.release();
+ dest1.release();
}
-
+
void Decolor::colorGrad(Mat img, vector <double> &Cg)
{
- Mat lab = Mat(img.size(),CV_32FC3);
- Mat l_channel = Mat(img.size(),CV_32FC1);
- Mat a_channel = Mat(img.size(),CV_32FC1);
- Mat b_channel = Mat(img.size(),CV_32FC1);
-
- cvtColor(img,lab,COLOR_BGR2Lab);
-
for(int i=0;i<img.size().height;i++)
-
for(int j=0;j<img.size().width;j++)
- {
- l_channel.at<float>(i,j) = lab.at<float>(i,j*3+0);
- a_channel.at<float>(i,j) = lab.at<float>(i,j*3+1);
- b_channel.at<float>(i,j) = lab.at<float>(i,j*3+2);
- }
-
- vector <double> ImL;
- vector <double> Ima;
- vector <double> Imb;
- gradvector(l_channel,ImL);
- gradvector(a_channel,Ima);
- gradvector(b_channel,Imb);
-
- double res =0.0;
- for(unsigned int i=0;i<ImL.size();i++)
- {
- res=sqrt(pow(ImL[i],2) + pow(Ima[i],2) + pow(Imb[i],2))/100;
- Cg.push_back(res);
- }
- lab.release();
- l_channel.release();
- a_channel.release();
- b_channel.release();
-
- ImL.clear();
- Ima.clear();
- Imb.clear();
-
+ Mat lab = Mat(img.size(),CV_32FC3);
+ Mat l_channel = Mat(img.size(),CV_32FC1);
+ Mat a_channel = Mat(img.size(),CV_32FC1);
+ Mat b_channel = Mat(img.size(),CV_32FC1);
+
+ cvtColor(img,lab,COLOR_BGR2Lab);
+ for(int i=0;i<img.size().height;i++)
+ for(int j=0;j<img.size().width;j++)
+ {
+ l_channel.at<float>(i,j) = lab.at<float>(i,j*3+0);
+ a_channel.at<float>(i,j) = lab.at<float>(i,j*3+1);
+ b_channel.at<float>(i,j) = lab.at<float>(i,j*3+2);
+ }
+
+ vector <double> ImL;
+ vector <double> Ima;
+ vector <double> Imb;
+ gradvector(l_channel,ImL);
+ gradvector(a_channel,Ima);
+ gradvector(b_channel,Imb);
+
+ double res =0.0;
+ for(unsigned int i=0;i<ImL.size();i++)
+ {
+ res=sqrt(pow(ImL[i],2) + pow(Ima[i],2) + pow(Imb[i],2))/100;
+ Cg.push_back(res);
+ }
+ lab.release();
+ l_channel.release();
+ a_channel.release();
+ b_channel.release();
+
+ ImL.clear();
+ Ima.clear();
+ Imb.clear();
+
}
void Decolor::add_vector(vector < vector <int> > &comb, int r,int g,int b)
{
- static int idx =0;
- comb.push_back( vector <int>() );
- comb.at(idx).push_back( r );
- comb.at(idx).push_back( g );
- comb.at(idx).push_back( b );
- idx++;
+ static int idx =0;
+ comb.push_back( vector <int>() );
+ comb.at(idx).push_back( r );
+ comb.at(idx).push_back( g );
+ comb.at(idx).push_back( b );
+ idx++;
}
void Decolor::add_to_vector_poly(vector < vector <double> > &polyGrad, vector <double> &curGrad)
{
- static int idx1 =0;
- polyGrad.push_back( vector <double>() );
- for(unsigned int i=0;i<curGrad.size();i++)
- polyGrad.at(idx1).push_back(curGrad[i]);
- idx1++;
+ static int idx1 =0;
+ polyGrad.push_back( vector <double>() );
+ for(unsigned int i=0;i<curGrad.size();i++)
+ polyGrad.at(idx1).push_back(curGrad[i]);
+ idx1++;
}
void Decolor::weak_order(Mat img, vector <double> &alf)
{
- Mat curIm = Mat(img.size(),CV_32FC1);
- Mat red = Mat(img.size(),CV_32FC1);
- Mat green = Mat(img.size(),CV_32FC1);
- Mat blue = Mat(img.size(),CV_32FC1);
-
- for(int i=0;i<img.size().height;i++)
- for(int j=0;j<img.size().width;j++)
- {
- red.at<float>(i,j) = img.at<float>(i,j*3+2);
- green.at<float>(i,j) = img.at<float>(i,j*3+1);
- blue.at<float>(i,j) = img.at<float>(i,j*3+0);
- }
-
- vector <double> Rg;
- vector <double> Gg;
- vector <double> Bg;
-
- vector <double> t1;
- vector <double> t2;
- vector <double> t3;
-
- vector <double> tmp1;
- vector <double> tmp2;
- vector <double> tmp3;
-
- gradvector(red,Rg);
- gradvector(green,Gg);
- gradvector(blue,Bg);
- double level = .05;
-
- for(unsigned int i=0;i<Rg.size();i++)
- {
- if(Rg[i] > level)
- t1.push_back(1.0);
- else
- t1.push_back(0.0);
- }
- for(unsigned int i=0;i<Gg.size();i++)
- {
- if(Gg[i] > level)
- t2.push_back(1.0);
- else
- t2.push_back(0.0);
- }
- for(unsigned int i=0;i<Bg.size();i++)
- {
- if(Bg[i] > level)
- t3.push_back(1.0);
- else
- t3.push_back(0.0);
- }
- for(unsigned int i=0;i<Rg.size();i++)
- {
- if(Rg[i] < -1.0*level)
- tmp1.push_back(1.0);
- else
- tmp1.push_back(0.0);
- }
- for(unsigned int i=0;i<Gg.size();i++)
- {
- if(Gg[i] < -1.0*level)
- tmp2.push_back(1.0);
- else
- tmp2.push_back(0.0);
- }
- for(unsigned int i=0;i<Bg.size();i++)
- {
- if(Bg[i] < -1.0*level)
- tmp3.push_back(1.0);
- else
- tmp3.push_back(0.0);
- }
- for(unsigned int i =0 ;i < Rg.size();i++)
- alf.push_back(t1[i] * t2[i] * t3[i]);
-
- for(unsigned int i =0 ;i < Rg.size();i++)
- alf[i] -= tmp1[i] * tmp2[i] * tmp3[i];
-
- double sum =0.0;
- for(unsigned int i=0;i<alf.size();i++)
- sum += abs(alf[i]);
-
- sum = (double)100*sum/alf.size();
-
- red.release();
- green.release();
- blue.release();
- curIm.release();
-
- Rg.clear();
- Gg.clear();
- Bg.clear();
-
- t1.clear();
- t2.clear();
- t3.clear();
-
- tmp1.clear();
- tmp2.clear();
- tmp3.clear();
-
-
+ int h = img.size().height;
+ int w = img.size().width;
+ double sizefactor;
+ if((h + w) > 800)
+ {
+ sizefactor = (double)800/(h+w);
+ resize(img,img,Size(rounding(h*sizefactor),rounding(w*sizefactor)));
+ }
+
+ Mat curIm = Mat(img.size(),CV_32FC1);
+ Mat red = Mat(img.size(),CV_32FC1);
+ Mat green = Mat(img.size(),CV_32FC1);
+ Mat blue = Mat(img.size(),CV_32FC1);
+
+ for(int i=0;i<img.size().height;i++)
+ for(int j=0;j<img.size().width;j++)
+ {
+ red.at<float>(i,j) = img.at<float>(i,j*3+2);
+ green.at<float>(i,j) = img.at<float>(i,j*3+1);
+ blue.at<float>(i,j) = img.at<float>(i,j*3+0);
+ }
+
+ vector <double> Rg;
+ vector <double> Gg;
+ vector <double> Bg;
+
+ vector <double> t1;
+ vector <double> t2;
+ vector <double> t3;
+
+ vector <double> tmp1;
+ vector <double> tmp2;
+ vector <double> tmp3;
+
+ gradvector(red,Rg);
+ gradvector(green,Gg);
+ gradvector(blue,Bg);
+
+ double level = .05;
+
+ for(unsigned int i=0;i<Rg.size();i++)
+ {
+ if(Rg[i] > level)
+ t1.push_back(1.0);
+ else
+ t1.push_back(0.0);
+ }
+ for(unsigned int i=0;i<Gg.size();i++)
+ {
+ if(Gg[i] > level)
+ t2.push_back(1.0);
+ else
+ t2.push_back(0.0);
+ }
+ for(unsigned int i=0;i<Bg.size();i++)
+ {
+ if(Bg[i] > level)
+ t3.push_back(1.0);
+ else
+ t3.push_back(0.0);
+ }
+ for(unsigned int i=0;i<Rg.size();i++)
+ {
+ if(Rg[i] < -1.0*level)
+ tmp1.push_back(1.0);
+ else
+ tmp1.push_back(0.0);
+ }
+ for(unsigned int i=0;i<Gg.size();i++)
+ {
+ if(Gg[i] < -1.0*level)
+ tmp2.push_back(1.0);
+ else
+ tmp2.push_back(0.0);
+ }
+ for(unsigned int i=0;i<Bg.size();i++)
+ {
+ if(Bg[i] < -1.0*level)
+ tmp3.push_back(1.0);
+ else
+ tmp3.push_back(0.0);
+ }
+ for(unsigned int i =0 ;i < Rg.size();i++)
+ alf.push_back(t1[i] * t2[i] * t3[i]);
+
+ for(unsigned int i =0 ;i < Rg.size();i++)
+ alf[i] -= tmp1[i] * tmp2[i] * tmp3[i];
+
+ double sum =0.0;
+ for(unsigned int i=0;i<alf.size();i++)
+ sum += abs(alf[i]);
+
+ sum = (double)100*sum/alf.size();
+
+ red.release();
+ green.release();
+ blue.release();
+ curIm.release();
+
+ Rg.clear();
+ Gg.clear();
+ Bg.clear();
+
+ t1.clear();
+ t2.clear();
+ t3.clear();
+
+ tmp1.clear();
+ tmp2.clear();
+ tmp3.clear();
}
-void Decolor::grad_system(Mat img, vector < vector < double > > &polyGrad, vector < double > &Cg, vector < vector <int> >& comb)
+void Decolor::grad_system(Mat img, vector < vector < double > > &polyGrad,
+ vector < double > &Cg, vector < vector <int> >& comb)
{
- int h = img.size().height;
- int w = img.size().width;
- colorGrad(img,Cg);
-
- Mat curIm = Mat(img.size(),CV_32FC1);
- Mat red = Mat(img.size(),CV_32FC1);
- Mat green = Mat(img.size(),CV_32FC1);
- Mat blue = Mat(img.size(),CV_32FC1);
-
- for(int i=0;i<img.size().height;i++)
- for(int j=0;j<img.size().width;j++)
- {
- red.at<float>(i,j) = img.at<float>(i,j*3+2);
- green.at<float>(i,j) = img.at<float>(i,j*3+1);
- blue.at<float>(i,j) = img.at<float>(i,j*3+0);
- }
-
- for(int r=0 ;r <=order; r++)
- for(int g=0; g<=order;g++)
- for(int b =0; b <=order;b++)
- {
- if((r+g+b)<=order && (r+g+b) > 0)
- {
- add_vector(comb,r,g,b);
- for(int i = 0;i<h;i++)
- for(int j=0;j<w;j++)
- curIm.at<float>(i,j)=
- pow(red.at<float>(i,j),r)*pow(green.at<float>(i,j),g)*
- pow(blue.at<float>(i,j),b);
- vector <double> curGrad;
- gradvector(curIm,curGrad);
- add_to_vector_poly(polyGrad,curGrad);
- }
- }
-
- red.release();
- green.release();
- blue.release();
- curIm.release();
+ int h = img.size().height;
+ int w = img.size().width;
+
+
+ double sizefactor;
+ if((h + w) > 800)
+ {
+ sizefactor = (double)800/(h+w);
+ resize(img,img,Size(rounding(h*sizefactor),rounding(w*sizefactor)));
+ }
+
+ h = img.size().height;
+ w = img.size().width;
+ colorGrad(img,Cg);
+
+ Mat curIm = Mat(img.size(),CV_32FC1);
+ Mat red = Mat(img.size(),CV_32FC1);
+ Mat green = Mat(img.size(),CV_32FC1);
+ Mat blue = Mat(img.size(),CV_32FC1);
+
+ for(int i=0;i<img.size().height;i++)
+ for(int j=0;j<img.size().width;j++)
+ {
+ red.at<float>(i,j) = img.at<float>(i,j*3+2);
+ green.at<float>(i,j) = img.at<float>(i,j*3+1);
+ blue.at<float>(i,j) = img.at<float>(i,j*3+0);
+ }
+
+ for(int r=0 ;r <=order; r++)
+ for(int g=0; g<=order;g++)
+ for(int b =0; b <=order;b++)
+ {
+ if((r+g+b)<=order && (r+g+b) > 0)
+ {
+ add_vector(comb,r,g,b);
+ for(int i = 0;i<h;i++)
+ for(int j=0;j<w;j++)
+ curIm.at<float>(i,j)=
+ pow(red.at<float>(i,j),r)*pow(green.at<float>(i,j),g)*
+ pow(blue.at<float>(i,j),b);
+ vector <double> curGrad;
+ gradvector(curIm,curGrad);
+ add_to_vector_poly(polyGrad,curGrad);
+ }
+ }
+
+ red.release();
+ green.release();
+ blue.release();
+ curIm.release();
}
void Decolor::wei_update_matrix(vector < vector <double> > &poly, vector <double> &Cg, Mat &X)
{
- Mat P = Mat(poly.size(),poly[0].size(), CV_32FC1);
- Mat A = Mat(poly.size(),poly.size(), CV_32FC1);
+ Mat P = Mat(poly.size(),poly[0].size(), CV_32FC1);
+ Mat A = Mat(poly.size(),poly.size(), CV_32FC1);
-
for(unsigned int i =0;i<poly.size();i++)
-
for(unsigned int j=0;j<poly[0].size();j++)
- P.at<float>(i,j) = poly[i][j];
+ for(unsigned int i =0;i<poly.size();i++)
+ for(unsigned int j=0;j<poly[0].size();j++)
+ P.at<float>(i,j) = poly[i][j];
- Mat P_trans = P.t();
- Mat B = Mat(poly.size(),poly[0].size(), CV_32FC1);
- for(unsigned int i =0;i < poly.size();i++)
- {
- for(unsigned int j=0;j<Cg.size();j++)
- B.at<float>(i,j) = poly[i][j]*Cg[j];
- }
+ Mat P_trans = P.t();
+ Mat B = Mat(poly.size(),poly[0].size(), CV_32FC1);
+ for(unsigned int i =0;i < poly.size();i++)
+ {
+ for(unsigned int j=0;j<Cg.size();j++)
+ B.at<float>(i,j) = poly[i][j]*Cg[j];
+ }
- A = P*P_trans;
- solve(A, B, X, DECOMP_NORMAL);
+ A = P*P_trans;
+ solve(A, B, X, DECOMP_NORMAL);
- P.release();
- A.release();
- B.release();
+ P.release();
+ A.release();
+ B.release();
}
void Decolor::wei_inti(vector < vector <int> > &comb, vector <double> &wei)
{
- vector <double> initRGB;
+ vector <double> initRGB;
- initRGB.push_back( .33 );
- initRGB.push_back( .33 );
- initRGB.push_back( .33 );
- wei = product(comb,initRGB);
+ initRGB.push_back( .33 );
+ initRGB.push_back( .33 );
+ initRGB.push_back( .33 );
+ wei = product(comb,initRGB);
- vector <int> sum;
+ vector <int> sum;
- for(unsigned int i=0;i<comb.size();i++)
- sum.push_back(comb[i][0] + comb[i][1] + comb[i][2]);
+ for(unsigned int i=0;i<comb.size();i++)
+ sum.push_back(comb[i][0] + comb[i][1] + comb[i][2]);
- for(unsigned int i=0;i<sum.size();i++)
- {
- if(sum[i] == 1)
- wei[i] = wei[i] * double(1);
- else
- wei[i] = wei[i] * double(0);
- }
+ for(unsigned int i=0;i<sum.size();i++)
+ {
+ if(sum[i] == 1)
+ wei[i] = wei[i] * double(1);
+ else
+ wei[i] = wei[i] * double(0);
+ }
- initRGB.clear();
- sum.clear();
+ initRGB.clear();
+ sum.clear();
}
void Decolor::grayImContruct(vector <double> &wei, Mat img, Mat &Gray)
{
- int h=img.size().height;
- int w=img.size().width;
-
- Mat red = Mat(img.size(),CV_32FC1);
- Mat green = Mat(img.size(),CV_32FC1);
- Mat blue = Mat(img.size(),CV_32FC1);
-
-
for(int i=0;i<img.size().height;i++)
-
for(int j=0;j<img.size().width;j++)
- {
- red.at<float>(i,j) = img.at<float>(i,j*3+2);
- green.at<float>(i,j) = img.at<float>(i,j*3+1);
- blue.at<float>(i,j) = img.at<float>(i,j*3+0);
- }
-
- int kk =0;
-
- for(int r =0;r<=order;r++)
- for(int g=0;g<=order;g++)
- for(int b=0;b<=order;b++)
- if((r + g + b) <=order && (r+g+b) > 0)
- {
- for(int i = 0;i<h;i++)
- for(int j=0;j<w;j++)
- Gray.at<float>(i,j)=Gray.at<float>(i,j) +
- wei[kk]*pow(red.at<float>(i,j),r)*pow(green.at<float>(i,j),g)*
- pow(blue.at<float>(i,j),b);
-
- kk=kk+1;
- }
-
- double minval = INT_MAX;
- double maxval = INT_MIN;
-
- for(int i=0;i<h;i++)
- for(int j =0;j<w;j++)
- {
- if(Gray.at<float>(i,j) < minval)
- minval = Gray.at<float>(i,j);
-
- if(Gray.at<float>(i,j) > maxval)
- maxval = Gray.at<float>(i,j);
- }
-
- for(int i=0;i<h;i++)
- for(int j=0;j<w;j++)
- Gray.at<float>(i,j) = (Gray.at<float>(i,j) - minval)/(maxval - minval);
-
- red.release();
- green.release();
- blue.release();
+ int h=img.size().height;
+ int w=img.size().width;
+
+ Mat red = Mat(img.size(),CV_32FC1);
+ Mat green = Mat(img.size(),CV_32FC1);
+ Mat blue = Mat(img.size(),CV_32FC1);
+
+ for(int i=0;i<img.size().height;i++)
+ for(int j=0;j<img.size().width;j++)
+ {
+ red.at<float>(i,j) = img.at<float>(i,j*3+2);
+ green.at<float>(i,j) = img.at<float>(i,j*3+1);
+ blue.at<float>(i,j) = img.at<float>(i,j*3+0);
+ }
+
+ int kk =0;
+
+ for(int r =0;r<=order;r++)
+ for(int g=0;g<=order;g++)
+ for(int b=0;b<=order;b++)
+ if((r + g + b) <=order && (r+g+b) > 0)
+ {
+ for(int i = 0;i<h;i++)
+ for(int j=0;j<w;j++)
+ Gray.at<float>(i,j)=Gray.at<float>(i,j) +
+ wei[kk]*pow(red.at<float>(i,j),r)*pow(green.at<float>(i,j),g)*
+ pow(blue.at<float>(i,j),b);
+
+ kk=kk+1;
+ }
+
+ double minval = INT_MAX;
+ double maxval = INT_MIN;
+
+ for(int i=0;i<h;i++)
+ for(int j =0;j<w;j++)
+ {
+ if(Gray.at<float>(i,j) < minval)
+ minval = Gray.at<float>(i,j);
+
+ if(Gray.at<float>(i,j) > maxval)
+ maxval = Gray.at<float>(i,j);
+ }
+
+ for(int i=0;i<h;i++)
+ for(int j=0;j<w;j++)
+ Gray.at<float>(i,j) = (Gray.at<float>(i,j) - minval)/(maxval - minval);
+
+ red.release();
+ green.release();
+ blue.release();
}
projects / platform / upstream / opencv.git / commitdiff