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author | shamikam | 2017-01-16 02:56:17 +0530 |
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committer | shamikam | 2017-01-16 02:56:17 +0530 |
commit | a6df67e8bcd5159cde27556f4f6a315f8dc2215f (patch) | |
tree | e806e966b06a53388fb300d89534354b222c2cad /sci_gateway/cpp/opencv_rgb2ntsc.cpp | |
download | FOSSEE_Image_Processing_Toolbox-master.tar.gz FOSSEE_Image_Processing_Toolbox-master.tar.bz2 FOSSEE_Image_Processing_Toolbox-master.zip |
Diffstat (limited to 'sci_gateway/cpp/opencv_rgb2ntsc.cpp')
-rw-r--r-- | sci_gateway/cpp/opencv_rgb2ntsc.cpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_rgb2ntsc.cpp b/sci_gateway/cpp/opencv_rgb2ntsc.cpp new file mode 100644 index 0000000..00be9cd --- /dev/null +++ b/sci_gateway/cpp/opencv_rgb2ntsc.cpp @@ -0,0 +1,132 @@ +/* function-rgb2lab + Author :Tess Zacharias */ +#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 rgb2ntsc(float R, float G, float B) +{ + + float r=R/255.0; + float g=G/255.0; + float b=B/255.0; + float y = 0.299*r + 0.587*g + 0.114*b; + float i = 0.596*r -0.274 *g - 0.322 *b; + float q = 0.211*r - 0.523*g + 0.312 *b; + + + Color ntsc; + ntsc.Y= y; + ntsc.I= i; + ntsc.Q= q; + return ntsc; + +} + +int opencv_rgb2ntsc(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* piAddr2=NULL; + int* piAddr1=NULL; + int* piAddr3=NULL; + int* piaddr=NULL; + char *value=NULL; + int* piLen = NULL; + char **val; + int i,j; + int error; + Color out; + double check; + Mat img; + float R,G,B; + int *piAddrNew = NULL; + CheckOutputArgument(pvApiCtx,1,1); + int m=0; + retrieveImage(img,1); + double *r1,*g1,*b1; + r1=(double *)malloc(sizeof(double)*img.rows*img.cols); + g1=(double *)malloc(sizeof(double)*img.rows*img.cols); + b1=(double *)malloc(sizeof(double)*img.rows*img.cols); + for(int i=0;i<img.rows;i++) + { + for(int j=0;j<img.cols;j++) + { + Vec3b intensity = img.at<Vec3b>(i,j); + R= intensity.val[2]; + G= intensity.val[1]; + B= intensity.val[0]; + out=rgb2ntsc(R,G,B); + r1[m]=out.Y; + g1[m]=out.I; + b1[m++]=out.Q; + } + } + //creating the list that will be passed to the Scilab enviroment + 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, img.rows,img.cols, r1); + free(r1); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + //Adding the G value matrix to the list + sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx)+1 , piAddrNew, 2, img.rows, img.cols, g1); + free(g1); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + //Adding the B value matrix to the list + sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx)+1 , piAddrNew, 3, img.rows, img.cols, b1); + free(b1); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + // free(checker); + AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1; + ReturnArguments(pvApiCtx); + return 0; +} +} |