FeatureItem SIFT::CalculateSiftDescriptorFromFile( const string& filename, int gridSpacing, int patchSize, int maxImSize, float nrml_threshold )
{
//Mat img = imread("009_0002.jpg", CV_LOAD_IMAGE_GRAYSCALE);
try
{
Mat iplImg = imread(filename, 0 /*CV_LOAD_IMAGE_GRAYSCALE*/);
//IplImage* GrayImage = cvCreateImage(cvGetSize(iplImg),IPL_DEPTH_8U,1);
//cvCvtColor(iplImg,GrayImage,CV_RGB2GRAY);
Mat result;
iplImg.convertTo(result, CV_32FC1); /*cvCreateMat(iplImg->height,iplImg->width,CV_32FC1 );*/
//cvConvert(GrayImage,mat);
iplImg.release();
Mat Img=im2double(result);
result.release();
printf("Loaded image %s\n", filename.c_str());
return CalculateSiftDescriptor(Img, gridSpacing, patchSize, maxImSize, nrml_threshold);
}catch (cv::Exception e)
{
printf("Exception happened in file %s\n",filename.c_str());
printf("%s\n", e.msg.c_str());
return FeatureItem();
}
}
int main(int argc,char * argv[])
{
if(argc != 2){
printf("Input image name");
exit(-1);
}
char *ifname;
double *I;
uint8_t *_I;
unsigned int *L;
double *E;
uint8_t *_E;
double *B;
uint8_t *_B;
unsigned int sy,sx,dim,mode;
unsigned int npix,nelem;
std::vector<point> sam;
ifname = argv[1];
imread(&_I,&sy,&sx,&dim,&mode,ifname);
npix = sy*sx;
nelem = npix*dim;
zeros( &I, nelem, "double" );
zeros( &L, npix, "unsigned" );
zeros( &E, nelem, "double" );
zeros( &B, nelem, "double" );
im2double(I,_I,nelem);
binary(I,nelem);
edge(I,E,B,sx,sy,dim);
sample(sy,sx,B);
zeros(&_E,nelem,"uint8");
zeros(&_B,nelem,"uint8");
im2uint8(_B,B,nelem);
imwrite(_B,sy,sx,dim,mode,"../hack/hoge.pgm");
return 0;
}
