static void _test() {
IplImage *img = NULL;
int sz = 0;
double *feat_vec = NULL;
unsigned char *lbp_img = NULL;
if (!img) return ;
struct lbp_setting s;
img = = cvLoadImage("foo.jpg", 0);
if (img == NULL) return ;
lbp_init(&s, 16, 16, 16, 16);
sz = lbp_length(&s, img->width, img->height);
feat_vec = (double*)malloc(sizeof(double) * sz);
assert( feat_vec != NULL );
lbp_img = (unsigned char *)malloc(sizeof(unsigned char) *
img->widthStep *
img->height);
assert( lbp_img != NULL );
/* perform LBP and store result image into lbp_img */
lbp_process(img->imageData, img->width,
img->widthStep, img->height,
lbp_img);
/* extratc dense lbp feature, normalizaed using L2 */
lbp_extract(&s, lbp_img, img->width, img->widthStep,
img->height, feat_vec, LBP_L2NORM);
/* do something with the feat vec */
}
int usb_boards_init(board_access_t *access) {
lbp_init(access);
return 0;
}
