比较两张图片的相似度 - 开源中国社区

1. _[代码][Java]代码     _跳至 [1] [全屏预览]

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package compic;

import java.awt.image.BufferedImage;

import java.io.File;

import javax.imageio.ImageIO;

/**

* 比较两张图片的相似度

*

* @author

*

*/

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 < 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) {

for (`int i = 1; i <=` `9; i++) {`

BMPLoader.compareImage(`"F:/img/19-21-32.jpg",` `"F:/img/"` `+ i +` `".jpg");`

}

}

}

原网址: 访问
创建于: 2018-12-29 16:48:49
目录: default
标签: 无

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