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;

/*

* 這個是一個照片比對功能實現類

*/

public class Tools_PhotoMatching {

public int mactching(String 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); //對比照片路徑

File testfile = new File(test_photo); //測試照片路徑

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\TOOLS\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; //將值轉化成16進制

contras_rgb[1] = (pixel1 & 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]); //相減并且求絕對值

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) { //判斷每個值的浮動不超過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;

}

}

以上就是Java 照片對比功能實現類的詳細內容，更多關于Java 照片對比的資料請關注云海天教程其它相關文章！

原文鏈接：https://www.cnblogs.com/guanxinjing/p/9708645.html

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