#include?

#include?“facedetect-dll.h“
#pragma?comment（lib“libfacedetect.lib“）

using?namespace?cv;


void?find_face1（Mat?gray）;
void?find_face2（Mat?gray）;
void?find_face3（Mat?gray）;

int?main（int?argc?char*?argv[]）
{
	//load?an?image?and?convert?it?to?gray?（single-channel）
	Mat?gray?=?imread（“4.jpg“?CV_LOAD_IMAGE_GRAYSCALE）;
	Mat?show;
	cvtColor（grayshow8）;
	if?（gray.empty（））
	{
		fprintf（stderr?“Can?not?load?the?image?file.\n“）;
		return?-1;
	}
	find_face1（gray）;
	find_face2（gray）;
	find_face3（gray）;
	
	waitKey（0）;
	return?0;
}

void?find_face1（Mat?gray）
{
	Mat?show;
	cvtColor（gray?show?8）;

	int?*?pResults?=?NULL;
	pResults?=?facedetect_frontal（（unsigned?char*）（gray.ptr（0））?gray.cols?gray.rows?gray.step
		1.2f?3?24）;

	printf（“%d?frontal?faces?detected.\n“?（pResults???*pResults?:?0））;
	//print?the?detection?results
	for?（int?i?=?0;?i?	{
		short?*?p?=?（（short*）（pResults?+?1））?+?6?*?i;
		int?x?=?p[0];
		int?y?=?p[1];
		int?w?=?p[2];
		int?h?=?p[3];
		int?neighbors?=?p[4];

		printf（“face_rect=[%d?%d?%d?%d]?neighbors=%d\n“?x?y?w?h?neighbors）;
		rectangle（show?Point（x?y）?Point（x?+?w?y?+?h）?Scalar（0?0?255）?2?8）;
	}
	imshow（“facedetect_frontal“?show）;
}
void?find_face2（Mat?gray）
{
	Mat?show;
	cvtColor（gray?show?8）;

	int?*?pResults?=?NULL;
	pResults?=?facedetect_multiview_reinforce（（unsigned?char*）（gray.ptr（0））?gray.cols?gray.rows?gray.step
		1.2f?5?24）;
	printf（“%d?faces?detected.\n“?（pResults???*pResults?:?0））;

	//print?the?detection?results
	for?（int?i?=?0;?i?	{
		short?*?p?=?（（short*）（pResults?+?1））?+?6?*?i;
		int?x?=?p[0];
		int?y?=?p[1];
		int?w?=?p[2];
		int?h?=?p[3];
		int?neighbors?=?p[4];

		printf（“face_rect=[%d?%d?%d?%d]?neighbors=%d\n“?x?y?w?h?neighbors）;
		rectangle（show?Point（x?y）?Point（x?+?w?y?+?h）?Scalar（0?0?255）?2?8）;
	}
	imshow（“facedetect_multiview_reinforce“?show）;
}

void?find_face3（Mat?gray）
{
	Mat?show;
????cvtColor（gray?show?8）;

????int?*?pResults?=?NULL;
	pResults?=?facedetect_frontal_tmp（（unsigned?char*）（gray.ptr（0））?gray.cols?gray.rows?gray.step
		1.2f?5?24）;
	printf（“%d?faces?detected.\n“?（pResults???*pResults?:?0））;


//print?the?detection?results
	for?（int?i?=?0;?i?	{
	short?*?p?=?（（short*）（pResults?+?1））?+?6?*?i;
	int?x?=?p[0];
	int?y?=?p[1];
	int?w?=?p[2];
	int?h?=?p[3];
	int?neighbors?=?p[4];

	printf（“face_rect=[%d?%d?%d?%d]?neighbors=%d\n“?x?y?w?h?neighbors）;
	rectangle（show?Point（x?y）?Point（x?+?w?y?+?h）?Scalar（0?0?255）?2?8）;
	}
	imshow（“facedetect_frontal_tmp“?show）;
}