JAVA 比较两张图片的相似度的代码

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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 beginString[][] 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<strings.length; m++) {try {String[] value1 = list1[i][j].toString().split(",");String[] value2 = list2[i][j].toString().split(",");int k = 0;for (int n=0; n<value2.length; n++) {if (Math.abs(Integer.parseInt(value1[k]) - Integer.parseInt(value2[k])) < 5) {xiangsi++;} else {busi++;}}} catch (RuntimeException e) {continue;}j++;}i++;}list1 = getPX(images[1]);list2 = getPX(images[0]);i = 0;j = 0;for (String[] strings : list1) {if ((i + 1) == list1.length) {continue;}for (int m=0; m<strings.length; m++) {try {String[] value1 = list1[i][j].toString().split(",");String[] value2 = list2[i][j].toString().split(",");int k = 0;for (int n=0; n<value2.length; n++) {if (Math.abs(Integer.parseInt(value1[k]) - Integer.parseInt(value2[k])) < 5) {xiangsi++;} else {busi++;}}} catch (RuntimeException e) {continue;}j++;}i++;}String baifen = "";try {baifen = ((Double.parseDouble(xiangsi + "") / Double.parseDouble((busi + xiangsi) + "")) + "");baifen = baifen.substring(baifen.indexOf(".") + 1, baifen.indexOf(".") + 3);} catch (Exception e) {baifen = "0";}if (baifen.length() <= 0) {baifen = "0";}if(busi == 0){baifen="100";}System.out.println("相似像素数量：" + xiangsi + " 不相似像素数量：" + busi + " 相似率：" + Integer.parseInt(baifen) + "%");}public static void main(String[] args){BMPLoader.compareImage("D:\\11.bmp", "E:\\12.bmp");}}
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