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/* compile with
rm liblagrcv.a
gcc -c lagrcv.cpp
ar rc liblagrcv.a lagrcv.o
ranlib liblagrcv.a
mex7 calcTextureMex.cc -L/home/ikkjin/LagrMatlab/opencv/matlab -llagrcv -I/home/ikkjin/LagrMatlab/opencv/matlab/
*/
#include "mex.h"
#include "lagrcv.h"
#include <stdio.h>
#include <math.h>
// TODO: add number of corners parameter
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]) {
// usage: [ lambda tr det c_xx c_xy c_yy] =
// goodFeaturesToTrack(image, winSize)
// image must be single-channel, 8-bit
double *image;
int winSize = (int)mxGetScalar(prhs[1]);
double *lambda, *tr, *det, *c_xx, *c_xy, *c_yy;
const int *imdims;
//double dx[360000];//[MAX_IMAGE_SIZE_1D];
//double dy[360000];//[MAX_IMAGE_SIZE_1D];
double *dx, *dy;
image = (double*)mxGetPr(prhs[0]);
imdims = mxGetDimensions(prhs[0]);
dx=(double*)malloc(sizeof(double)*imdims[0]*imdims[1]);
dy=(double*)malloc(sizeof(double)*imdims[0]*imdims[1]);
plhs[0] = mxCreateNumericMatrix(imdims[0], imdims[1], mxDOUBLE_CLASS, mxREAL);
plhs[1] = mxCreateNumericMatrix(imdims[0], imdims[1], mxDOUBLE_CLASS, mxREAL);
plhs[2] = mxCreateNumericMatrix(imdims[0], imdims[1], mxDOUBLE_CLASS, mxREAL);
plhs[3] = mxCreateNumericMatrix(imdims[0], imdims[1], mxDOUBLE_CLASS, mxREAL);
plhs[4] = mxCreateNumericMatrix(imdims[0], imdims[1], mxDOUBLE_CLASS, mxREAL);
plhs[5] = mxCreateNumericMatrix(imdims[0], imdims[1], mxDOUBLE_CLASS, mxREAL);
lambda = (double*)mxGetPr(plhs[0]);
tr = (double*)mxGetPr(plhs[1]);
det = (double*)mxGetPr(plhs[2]);
c_xx = (double*)mxGetPr(plhs[3]);
c_xy = (double*)mxGetPr(plhs[4]);
c_yy = (double*)mxGetPr(plhs[5]);
calcSobel(image, imdims[0], imdims[1], dx, dy);
calcGoodFeature(dx, dy, imdims[0], imdims[1], winSize,
lambda, tr, det, c_xx, c_xy, c_yy);
free(dx);
free(dy);
}
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