原文：http://www.open-open.com/code/view/1448334323079

 

import java.awt.image.BufferedImage;import java.io.File;import javax.imageio.ImageIO;/** * 比较两张图片的相似度 * @author Guihua * */public class BMPLoader {    // 改变成二进制码    public static String[][] getPX(String args) {        int[] rgb = new int[3];        File file = new File(args);        BufferedImage bi = null;        try {            bi = ImageIO.read(file);        } catch (Exception e) {            e.printStackTrace();        }        int width = bi.getWidth();        int height = bi.getHeight();        int minx = bi.getMinX();        int miny = bi.getMinY();        String[][] list = new String[width][height];        for (int i = minx; i < width; i++) {            for (int j = miny; j < height; j++) {                int pixel = bi.getRGB(i, j);                rgb[0] = (pixel & 0xff0000) >> 16;                rgb[1] = (pixel & 0xff00) >> 8;                rgb[2] = (pixel & 0xff);                list[i][j] = rgb[0] + "," + rgb[1] + "," + rgb[2];            }        }        return list;    }        public static void compareImage(String imgPath1, String imgPath2){        String[] images = {imgPath1, imgPath2};        if (images.length == 0) {            System.out.println("Usage >java BMPLoader ImageFile.bmp");            System.exit(0);        }        // 分析图片相似度 begin        String[][] list1 = getPX(images[0]);        String[][] list2 = getPX(images[1]);        int xiangsi = 0;        int busi = 0;        int i = 0, j = 0;        for (String[] strings : list1) {            if ((i + 1) == list1.length) {                continue;            }            for (int m=0; m