fd.h

/*
 ============================================================================
 Name        : fd.h
 Author      : LincolnHard
 Version     :
 Copyright   : free and open
 Description :
 ============================================================================
 */

#ifndef FD_H_
#define FD_H_

#ifdef __cplusplus
extern "C" {
#endif

#include "utils.h"

//the minimum face size is 24 * FD_START_SCALE pixels
#define FD_START_SCALE 5.0f
#define FD_SCALE_FACTOR 1.2f
#define DETECTION_ROI_MOVING_STEP 1
#define CLASSIFY_START_STAGE 0
#define FD_MIN_NEIGHBORS 1
#define GROUP_EPS 0.4f
#define GROUP_THRESHOLD 1
//below are all constant (do not change them, they are related to the fd buffer)
#define VJ_EMPIRICAL_DETECTION_ROI 24
#define FD_TOTAL_STAGES 25
#define FD_TOTAL_FILTERS 2913

void init_face_detection
	(
	void
	);

void free_face_detection
	(
	void
	);

vector_lincoln* face_detect
	(
	const unsigned char* src
	);

void draw_fd_result
	(
	unsigned char* src
	);

#ifdef __cplusplus
}
#endif

#endif /* FD_H_ */