简单人脸识别-googleAPI

/**
 * 简单人脸识别
 * 感兴趣可关注[OpenCV 计算机图形处理-开源C代码库 javaCV]
 * http://www.faceplusplus.com.cn/  face++
 * google API:FaceDetector
 * face 探测器 FaceDetector(1,2,3);
 * 1.图片宽度；2.图片高度；3.几张脸[大合照]
 * 
 * detector.findFaces(bitmap, mFaces); 
 * bitmap :要识别的图片
 * mfaces ： 识别出的人脸存放位置-数组
 *

 */

package com.example.facerecognition;import android.app.Activity;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.Point;import android.graphics.PointF;import android.media.FaceDetector;import android.media.FaceDetector.Face;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;public class MainActivity extends Activity {    private Face mFaces[];@Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        //获取图片Bitmap        Bitmap faceBitmap = BitmapFactory.decodeResource(getResources(), R.drawable.image);        FaceDetector detector  = new FaceDetector(faceBitmap.getWidth(),faceBitmap.getHeight(), 2);                mFaces = new Face[2];        //mNumFaces 找到的人脸 个数;Face[2]  :2人脸个数        int  mNumFaces = detector.findFaces(faceBitmap, mFaces);        //识别        if (mNumFaces >0) {for (int i = 0; i <mNumFaces; i++) {PointF point = new PointF();mFaces[i].getMidPoint(point);// 脸中心坐标点System.out.println("人脸个数："+mNumFaces+"面部中心坐标X,Y："+point.x+";"+point.y);}}else{System.out.println("没有搜索到！");}    }}