Java 照片对比功能的实现

Java 照片对比功能的实现

package com.function;

import java.awt.image.BufferedImage;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import java.util.*;

import javax.imageio.ImageIO;

/*

* 这个是一个照片比对功能实现类

*/

public class Tools_PhotoMatching {

public int mactching(StriSmjdLnng contrast_photo ,String test_photo) {

int contras_rgb[] = new int[3];

int test_rgb[] = new int[3];

int k = 0;

File contrastfile = new File(contrast_photo); //对比照片路径

File testfile = new File(test_photo); //测试照片路径

BufferedImage contrasphoto = null;

BufferedImage testphoto = null;

try {

contrasphoto = ImageIO.read(contrastfile);

testphoto = ImageIO.read(testfile);

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

int contraswidth = contrasphoto.getWidth();

int contrasheight = contrasphoto.getHeight();

int testwidth = testphoto.getWidth();

int testheight = testphoto.getHeight();

//File file = new File("C:\\Users\\prize\\Desktop\\TOOLS\\DCIM\\Camera\\log.txt");

//File file1 = new File("C:\\Users\\prize\\Desktop\\TOhttp://OLS\\DCIM\\Camera\\log1.txt");

try {

//FileWriter fileWriter = new FileWriter(file);

//FileWriter fileWriter1 = new FileWriter(file1);

//BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);

//BufferedWriter bufferedWriter2 = new BufferedWriter(fileWriter1);

for (int i = 0; i < testwidth; i++) {

for (int j = 0; j < testheight; j++) {

//StringBuffer astringBuffer1 = new StringBuffer();

//StringBuffer bstringBuffer1 = new StringBuffer();

int pixel1 = contrasphoto.getRGB(i, j);

int pixle2= testphoto.getRGB(i, j);

contras_rgb[0] = (pixel1 & 0xff0000) >> 16; //将值转化成16进制

contras_rgb[1] = (piSmjdLnxel1 & 0xff00) >> 8;

contras_rgb[2] = (pixel1 & 0xff);

//astringBuffer1.append(i+"行"+j+"列 R="+contras_rgb[0]+"G="+contras_rgb[1]+"B="+contras_rgb[2] );

//bufferedWriter.write(astringBuffer1.toString());

//bufferedWriter.newLine();

test_rgb[0] = (pixle2 & 0xff0000) >> 16;

test_rgb[1] = (pixle2 & 0xff00) >> 8;

test_rgb[2] = (pixle2 & 0xff);

//bstringBuffer1.append(i+"行"+j+"列 R="+test_rgb[0]+"G="+test_rgb[1]+"B="+test_rgb[2]);

//bufferedWriter2.write(bstringBuffer1.toString());

//bufferedWriter2.newLine();

int Difference_R = Math.abs(contras_rgb[0]-test_rgb[0]); //相减并且求绝对值

int Difference_G= Math.abs(contras_rgb[1]-test_rgb[1]);

int Difference_B= Math.abs(contras_rgb[2]-test_rgb[2]);

//System.out.println("第"+j+"次："+Math.abs(Difference));

final int R = 35; //35

final int L = 130;

int Q = Difference_R+Difference_G+Difference_B;

if (Difference_R > R && Difference_G > R && Q>L) { //判断每个值的浮动不超过35

k++;

}else if (Difference_G >R && Difference_B>R && Q>L) {

k++;

}else if (Difference_R > R && Difference_B>R && Q>L) {

k++;

}

}

}

//bufferedWriter.close();

//bufferedWriter2.close();

//fileWriter.close();

//fileWriter1.close();

} catch (Exception e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

return k;

}

}

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