HAAR人脸检测2_人脸识别_OPENCV_C++

/*test.cpp文件完整代码*/ //#include "stdafx.h" #pragma once #pragma comment(lib,"cxcore.lib") #pragma comment(lib,"cv.lib") #pragma comment(lib,"ml.lib") #pragma comment(lib,"highgui.lib") #pragma comment(lib,"cvcam.lib") #define WIN32_LEAN_AND_MEAN // 从 Windows 头中排除极少使用的资料 #include <stdio.h> #include <tchar.h> #include "cv.h" #include "highgui.h" #include <stdio.h> static CvHaarClassifierCascade* cascade = 0; static CvMemStorage* storage = 0; void detect_and_draw( IplImage* image ); const char* cascade_name ="haarcascade_frontalface_alt.xml"; //人脸检测要用到的分类器 int _tmain(int argc, _TCHAR* argv[]) { cascade = (CvHaarClassifierCascade*)cvLoad( cascade_name, 0, 0, 0 ); //加载人脸检测所用的分类器 if( !cascade ) { fprintf( stderr, "ERROR: Could not load classifier cascade\n" ); return -1; } storage = cvCreateMemStorage(0); //动态存储结构，用来存储人脸在图像中的位置 cvNamedWindow( "result", 1 ); const char* filename = "1.jpg"; //待检测图像(包含绝对路径) //const char* filename = "景甜.jpg"; IplImage* image = cvLoadImage( filename, 1 ); //加载图像 detect_and_draw( image ); //对加载的图像进行检测 cvWaitKey(0); cvReleaseImage( &image ); cvDestroyWindow("result"); return 0; } void detect_and_draw( IplImage* img ) { static CvScalar colors[] = { {{0,0,255}}, {{0,128,255}}, {{0,255,255}}, {{0,255,0}}, {{255,128,0}}, {{255,255,0}}, {{255,0,0}}, {{255,0,255}} }; double scale = 1.3; IplImage* gray = cvCreateImage( cvSize(img->width,img->height), 8, 1 ); IplImage* small_img = cvCreateImage( cvSize( cvRound (img->width/scale), cvRound (img->height/scale)), 8, 1 ); cvCvtColor( img, gray, CV_BGR2GRAY ); cvResize( gray, small_img, CV_INTER_LINEAR ); cvEqualizeHist( small_img, small_img ); cvClearMemStorage( storage ); if( cascade ) { /*函数cvHaarDetectObjects检测图像中的目标，由OpenCV提供。*/ CvSeq* faces = cvHaarDetectObjects( small_img, cascade, storage, 1.1, 2, 0 , cvSize(30, 30) ); for( int i = 0; i < (faces ? faces->total : 0); i++ ) { CvRect* r = (CvRect*)cvGetSeqElem( faces, i ); CvPoint center; int radius; center.x = cvRound((r->x + r->width*0.5)*scale); center.y = cvRound((r->y + r->height*0.5)*scale); radius = cvRound((r->width + r->height)*0.25*scale); cvCircle( img, center, radius, colors[i%8], 3, 8, 0 ); } } cvShowImage( "result", img ); cvReleaseImage( &gray ); cvReleaseImage( &small_img ); } /* stdafx.h文件完整代码*/ // stdafx.h : 标准系统包含文件的包含文件， // 或是经常使用但不常更改的 // 特定于项目的包含文件 // // TODO: 在此处引用程序需要的其他头文件 /* stdafx.cpp文件完整代码*/ // stdafx.cpp : 只包括标准包含文件的源文件 // FaceDetection.pch 将作为预编译头 // stdafx.obj 将包含预编译类型信息 //#include "stdafx.h"