opencv例程源代码-电脑摄像头人脸识别-facedetect.cpp

112 阅读 0 评论 74 点赞

我是靠谱客的博主傻傻纸鹤，这篇文章主要介绍opencv例程源代码-电脑摄像头人脸识别-facedetect.cpp，现在分享给大家，希望可以做个参考。

源代码在opencv中的例程里面，文件路径如下：
opencvsourcessamplescppfacedetect.cpp。
(PS:所用OpenCV版本为3.4.5)
VS2017运行会提示错误，fopen。This function or variable may be unsafe。
是因为以前的函数安全性不够，所以微软重写了新的函数。
解决方法-百度经验

复制代码

#include "opencv2/objdetect.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/imgproc.hpp"
#include <iostream>

using namespace std;
using namespace cv;

static void help()
{
	cout << "nThis program demonstrates the use of cv::CascadeClassifier class to detect objects (Face + eyes). You can use Haar or LBP features.n"
		"This classifier can recognize many kinds of rigid objects, once the appropriate classifier is trained.n"
		"It's most known use is for faces.n"
		"Usage:n"
		"./facedetect [--cascade=<cascade_path> this is the primary trained classifier such as frontal face]n"
		"   [--nested-cascade[=nested_cascade_path this an optional secondary classifier such as eyes]]n"
		"   [--scale=<image scale greater or equal to 1, try 1.3 for example>]n"
		"   [--try-flip]n"
		"   [filename|camera_index]nn"
		"see facedetect.cmd for one call:n"
		"./facedetect --cascade="data/haarcascades/haarcascade_frontalface_alt.xml" --nested-cascade="data/haarcascades/haarcascade_eye_tree_eyeglasses.xml" --scale=1.3nn"
		"During execution:ntHit any key to quit.n"
		"tUsing OpenCV version " << CV_VERSION << "n&#

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
#include "opencv2/objdetect.hpp"
#include "opencv2/highgui.hpp"
#include "opencv2/imgproc.hpp"
#include <iostream>

using namespace std;
using namespace cv;

static void help()
{
	cout << "nThis program demonstrates the use of cv::CascadeClassifier class to detect objects (Face + eyes). You can use Haar or LBP features.n"
		"This classifier can recognize many kinds of rigid objects, once the appropriate classifier is trained.n"
		"It's most known use is for faces.n"
		"Usage:n"
		"./facedetect [--cascade=<cascade_path> this is the primary trained classifier such as frontal face]n"
		"   [--nested-cascade[=nested_cascade_path this an optional secondary classifier such as eyes]]n"
		"   [--scale=<image scale greater or equal to 1, try 1.3 for example>]n"
		"   [--try-flip]n"
		"   [filename|camera_index]nn"
		"see facedetect.cmd for one call:n"
		"./facedetect --cascade="data/haarcascades/haarcascade_frontalface_alt.xml" --nested-cascade="data/haarcascades/haarcascade_eye_tree_eyeglasses.xml" --scale=1.3nn"
		"During execution:ntHit any key to quit.n"
		"tUsing OpenCV version " << CV_VERSION << "n&#