package image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
public class ImageDemo {
public void binaryImage() throws IOException{
File file = new File(System.getProperty("user.dir")+"/src/2722425974762424026.jpg");
BufferedImage image = ImageIO.read(file);
int width = image.getWidth();
int height = image.getHeight();
BufferedImage grayImage = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_BINARY);
for(int i= 0 ; i < width ; i++){
for(int j = 0 ; j < height; j++){
int rgb = image.getRGB(i, j);
grayImage.setRGB(i, j, rgb);
}
}
File newFile = new File(System.getProperty("user.dir")+"/src/2722425974762424028.jpg");
ImageIO.write(grayImage, "jpg", newFile);
}
public void grayImage() throws IOException{
File file = new File(System.getProperty("user.dir")+"/src/2722425974762424026.jpg");
BufferedImage image = ImageIO.read(file);
int width = image.getWidth();
int height = image.getHeight();
BufferedImage grayImage = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_GRAY);
for(int i= 0 ; i < width ; i++){
for(int j = 0 ; j < height; j++){
int rgb = image.getRGB(i, j);
grayImage.setRGB(i, j, rgb);
}
}
File newFile = new File(System.getProperty("user.dir")+"/src/2722425974762424027.jpg");
ImageIO.write(grayImage, "jpg", newFile);
}
public static void main(String[] args) throws IOException {
ImageDemo demo = new ImageDemo();
demo.binaryImage();
demo.grayImage();
}
}
- 1.
- 2.
- 3.
- 4.
- 5.
- 6.
- 7.
- 8.
- 9.
- 10.
- 11.
- 12.
- 13.
- 14.
- 15.
- 16.
- 17.
- 18.
- 19.
- 20.
- 21.
- 22.
- 23.
- 24.
- 25.
- 26.
- 27.
- 28.
- 29.
- 30.
- 31.
- 32.
- 33.
- 34.
- 35.
- 36.
- 37.
- 38.
- 39.
- 40.
- 41.
- 42.
- 43.
- 44.
- 45.
- 46.
- 47.
- 48.
- 49.
- 50.
- 51.
- 52.
- 53.
- 54.
- 55.
主要就是BufferedImage.TYPE.BYTE.GRAY灰度化,BufferedImage.TYPE.BYTE.BINARY二值化
原图:
灰度化后的图片:
二值化后的图片:
效果还可以,赞一个JAVA。
原文链接:http://blog.csdn.net/lazy_p/article/details/7165999
【编辑推荐】