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(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); //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:UsersprizeDesktopTOOLSDCIMCameralog.txt'); //File file1 = new File('C:UsersprizeDesktopTOOLSDCIMCameralog1.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] = (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35k++; }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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