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/***************************************************
Author : Tanmay Chaudhari
***************************************************/
#include <numeric>
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/opencv.hpp"
#include <iostream>
using namespace cv;
using namespace std;
extern "C"
{
#include "api_scilab.h"
#include "Scierror.h"
#include "BOOL.h"
#include <localization.h>
#include "sciprint.h"
// #include "../common.h"
// #include "../common.cpp"
int opencv_integralKernel(char *fname, unsigned long fname_len)
{
//Error management variable
SciErr sciErr;
//Variable declaration
int i, j, k;
int iType = 0;
int iComplex = 0;
int rowsOfBbox = 0;
int rowsOfWeights = 0;
int colsOfBbox = 0;
int colsOfWeights = 0;
int *piAddr = NULL;
double *filterSize = NULL;
double *hlSize = NULL;
double *ulCorner = NULL;
double *lrCorner = NULL;
double *centre = NULL;
double sR = 0;
double sC = 0;
double eR = 0;
double eC = 0;
double *coefficients = NULL;
double *bbox = NULL;
double *weights = NULL;
//Check input output argument
checkInputArgument(pvApiCtx, 2, 2);
checkOutputArgument(pvApiCtx, 5, 5);
//Get variable address of the first input arguent
sciErr = getVarAddressFromPosition(pvApiCtx, 1, &piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Check type
sciErr = getVarType(pvApiCtx, piAddr, &iType);
if(sciErr.iErr || iType != sci_matrix)
{
printError(&sciErr, 0);
return 0;
}
//Get complexity
iComplex = isVarComplex(pvApiCtx, piAddr);
//Check complexity
if(iComplex)
{
Scierror(999, "%s: Wrong type for input argument: A complex number is not expected.\n");
return 0;
}
sciErr = getMatrixOfDouble(pvApiCtx, piAddr, &rowsOfBbox, &colsOfBbox, &bbox);
if(sciErr.iErr || colsOfBbox != 4 || rowsOfBbox == 0)
{
printError(&sciErr, 0);
return 0;
}
//Get variable address of the second input arguent
sciErr = getVarAddressFromPosition(pvApiCtx, 2, &piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Check type
sciErr = getVarType(pvApiCtx, piAddr, &iType);
if(sciErr.iErr || iType != sci_matrix)
{
printError(&sciErr, 0);
return 0;
}
//Get complexity
iComplex = isVarComplex(pvApiCtx, piAddr);
//Check complexity
if(iComplex)
{
Scierror(999, "%s: Wrong type for input argument: A complex number is not expected.\n");
return 0;
}
sciErr = getMatrixOfDouble(pvApiCtx, piAddr, &rowsOfWeights, &colsOfWeights, &weights);
if(sciErr.iErr || colsOfWeights == 0 || rowsOfWeights != 1 || colsOfWeights != rowsOfBbox)
{
printError(&sciErr, 0);
return 0;
}
//Creating list to storing bouding boxes
sciErr = createList(pvApiCtx, nbInputArgument(pvApiCtx) + 1, 1, &piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx) + 1, piAddr, 1, rowsOfBbox, colsOfBbox, bbox);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Creating list to store weights
sciErr = createList(pvApiCtx, nbInputArgument(pvApiCtx) + 2, 1, &piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx) + 2, piAddr, 1, rowsOfWeights, colsOfWeights, weights);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Computing filter size
filterSize = (double*)malloc(sizeof(double) * 2);
hlSize = (double*)malloc(sizeof(double) * 2);
ulCorner = (double*)malloc(sizeof(double) * 2);
lrCorner = (double*)malloc(sizeof(double) * 2);
filterSize[0] = filterSize[1] = 0;
for( i = 0 ; i < rowsOfBbox; i++)
{
hlSize[0] = bbox[3 * rowsOfBbox + i];
hlSize[1] = bbox[2 * rowsOfBbox + i];
ulCorner[0] = bbox[1 * rowsOfBbox + i];
ulCorner[1] = bbox[0 * rowsOfBbox + i];
lrCorner[0] = ulCorner[0] + hlSize[0] - 1;
lrCorner[1] = ulCorner[1] + hlSize[1] - 1;
if(filterSize[0] < lrCorner[0])
filterSize[0] = lrCorner[0];
if(filterSize[1] < lrCorner[1])
filterSize[1] = lrCorner[1];
}
//Computing coefficient matrix
coefficients = (double*)malloc(sizeof(double) * int(filterSize[0]) * int(filterSize[1]));
for( i = 0; i < int(filterSize[0]) * int(filterSize[1]); i++)
coefficients[i] = 0;
for( i = 0; i < rowsOfBbox; i++)
{
sR = bbox[1 * rowsOfBbox + i];
sC = bbox[0 * rowsOfBbox + i];
eR = sR + bbox[3 * rowsOfBbox + i] - 1;
eC = sC + bbox[2 * rowsOfBbox + i] - 1;
for( j = sR - 1; j < eR; j++)
for( k = sC - 1; k < eC; k++)
coefficients[k * int(filterSize[0]) + j] += weights[i];
}
//Computing centre of filter
centre = (double*)malloc(sizeof(double) * 2);
centre[0] = ceil(filterSize[0]/2.0);
centre[1] = ceil(filterSize[1]/2.0);
//Storing coefficient matrix in list
sciErr = createList(pvApiCtx, nbInputArgument(pvApiCtx) + 3, 1, &piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx) + 3, piAddr, 1, int(filterSize[0]), int(filterSize[1]), coefficients);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Storing centre of filter in list
sciErr = createList(pvApiCtx, nbInputArgument(pvApiCtx) + 4, 1, &piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx) + 4, piAddr, 1, 1, 2, centre);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Storing size of filter in list
sciErr = createList(pvApiCtx, nbInputArgument(pvApiCtx) + 5, 1, &piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx) + 5, piAddr, 1, 1, 2, filterSize);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Return output arguments
AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1;
AssignOutputVariable(pvApiCtx, 2) = nbInputArgument(pvApiCtx) + 2;
AssignOutputVariable(pvApiCtx, 3) = nbInputArgument(pvApiCtx) + 3;
AssignOutputVariable(pvApiCtx, 4) = nbInputArgument(pvApiCtx) + 4;
AssignOutputVariable(pvApiCtx, 5) = nbInputArgument(pvApiCtx) + 5;
ReturnArguments(pvApiCtx);
return 0;
}
/* ==================================================================== */
}
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