diff options
Diffstat (limited to 'sci_gateway/cpp/opencv_ntsc2rgb.cpp')
| -rw-r--r-- | sci_gateway/cpp/opencv_ntsc2rgb.cpp | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_ntsc2rgb.cpp b/sci_gateway/cpp/opencv_ntsc2rgb.cpp new file mode 100644 index 0000000..9857c63 --- /dev/null +++ b/sci_gateway/cpp/opencv_ntsc2rgb.cpp @@ -0,0 +1,192 @@ +/* ==================================================================== */ +/* Author :Tess Zacharias */ +/* ==================================================================== */ +/* overloaded function */ +/* Syntax : return_matrix_3_xyz_values=lab2xyz(matrix_of_3_labvalues a) */ +/* Syntax : return_matrix_3_xyz_values=lab2xyz(matrix_of_3_labvalues a,String1 Name,String2 value) */ +/* ==================================================================== */ +/* ==================================================================== */ +#include <numeric> +#include "opencv2/core/core.hpp" +#include "opencv2/highgui/highgui.hpp" +#include "opencv2/opencv.hpp" +#include <iostream> +#include<stdio.h> +#include <sciprint.h> +#include<string.h> +using namespace cv; +using namespace std; + extern "C" + { + #include "api_scilab.h" + #include "Scierror.h" + #include "BOOL.h" + #include <localization.h> + // #include "../common.h" + #define REF_X .95047; // Observer= 2°, Illuminant= D65 + #define REF_Y 1.00000; + #define REF_Z 1.08883; + +struct Color +{ + float R,G,B,Y,I,Q; +}; + + +Color ntsc2rgb1(float Y, float I, float Q) +{ + + // float y=Y/255.0; + // float i=I/255.0; + // float q=Q/255.0; + float r= 1.000*Y+0.956*I+0.621*Q; + float g =1.000*Y-0.272*I-0.647*Q; + float b =1.000*Y-1.106*I+1.703*Q; + + + Color rgb; + rgb.R= r; + rgb.G= g; + rgb.B= b; + return rgb; + +} + int opencv_ntsc2rgb(char *fname, unsigned long fname_len) + { + // Error management variable + SciErr sciErr; + //variable info + int iRows = 0; + int iCols = 0; + int piRows = 0; + int piCols = 0; + int* piAddr=NULL; + int* piAddr1=NULL; + int* piAddr3=NULL; + double *value=NULL; + int* piLen = NULL; + char **val; + int i,j; + int error; + Color out; + double check; + Mat img,dst; + float Y,I,Q; + int *piAddrNew = NULL; + //checking output argument + CheckOutputArgument(pvApiCtx,1,1); + //checking if number of input arguments are 3 + + int k=0; + // SciErr getMatrixOfDoubleInList(void* _pvCtx, int* _piParent, int _iItemPos, int* _piRows, int* _piCols, double** _pdblReal) + double *pstDataR = NULL; + double *pstDataG = NULL; + double *pstDataB = NULL; + sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //retrive the matrix of the R values + sciErr = getMatrixOfDoubleInList(pvApiCtx, piAddr, 1, &iRows, &iCols, &pstDataR); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //retrive address of the list + sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //retrive the matrix of the G values + sciErr = getMatrixOfDoubleInList(pvApiCtx, piAddr, 2, &iRows, &iCols, &pstDataG); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //retrive address of the list + sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //retrive the matrix of the B values + sciErr = getMatrixOfDoubleInList(pvApiCtx, piAddr, 3, &iRows, &iCols, &pstDataB); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + int m=0; + double *r,*g,*b; + r=(double *)malloc(sizeof(double)*iRows*iCols); + g=(double *)malloc(sizeof(double)*iRows*iCols); + b=(double *)malloc(sizeof(double)*iRows*iCols); + for(int i=0;i<iRows;i++) + { + for(int j=0;j<iCols;j++) + { + // Vec3d intensity = img.at<Vec3d>(i,j); + Y= (pstDataR[k]); + I= (pstDataG[k]); + Q= (pstDataB[k++]); + out=ntsc2rgb1(Y,I,Q); + // cout<<R<<"\n"; + //cout<<G<<"\n"; + //cout<<B<<"\n"; + r[m]=(out.R); + g[m]=(out.G); + b[m++]=(out.B); + } + } + + sciErr = createList(pvApiCtx, nbInputArgument(pvApiCtx) + 1, 3, &piAddrNew); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + + //Adding the R value matrix to the list + //Syntax : createMatrixOfInteger32InList(void* _pvCtx, int _iVar, int* _piParent, int _iItemPos, int _iRows, int _iCols, const int* _piData) + sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx)+1 , piAddrNew, 1, iRows,iCols, r); + free(r); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + //Adding the G value matrix to the list + sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx)+1 , piAddrNew, 2, iRows, iCols, g); + free(g); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + //Adding the B value matrix to the list + sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx)+1 , piAddrNew, 3, iRows, iCols, b); + free(b); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + + AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1; + ReturnArguments(pvApiCtx); + return 0; +} +} + + |