OpenCV+JAVA实现人脸裁剪

1、安装opencv4.10

2、把安装目录下的 jar和dll文件复制到工程文件夹下的lib下面

D:\opencv\opencv\build\java

D:\opencv\opencv\build\java\x64

3、把D:\opencv\opencv\sources\data\haarcascades文件夹下的haarcascade_frontalface_alt.xml复制到

resources下

代码如下

package com.zsj.tool.apps.holiday.web;

/**
 * @Description TODO
 * @Date 2019/5/31 15:17
 * @Author zsj
 */

import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

import javax.servlet.http.HttpServletResponse;