laplace2delt.java

计算机图象处理的java源代码,可以实现图象的放大缩小等基本功能

package image;
import   com.sun.image.codec.jpeg.JPEGCodec; 
import   com.sun.image.codec.jpeg.JPEGImageEncoder; 
import   java.awt.Graphics; 
import   java.awt.Image; 
import java.awt.Toolkit;
import   java.awt.image.BufferedImage; 
import java.awt.image.ImageObserver;
import java.awt.image.MemoryImageSource;
import java.awt.image.PixelGrabber;
import java.awt.image.Raster;
import   java.io.*; 

import   javax.imageio.ImageIO; 
import javax.swing.ImageIcon;
public class Laplace2Delt extends BasicImage {
	double delt;
	public Laplace2Delt() {
		super();
		// TODO 自动生成构造函数存根
	}
	public Laplace2Delt(String fileName,double delt) {
		super(fileName);
		this.delt=delt;
		// TODO 自动生成构造函数存根
	}
	//laplace2阶增强滤波，增强边缘，增强系数delt
    public int[] laplaceHigh2DFileter(int []data,int width,int height,double delt){
     
     int filterData[]=new int[data.length];
     int min=10000;
     int max=-10000;
     for(int i=0;i<height;i++){
      for(int j=0;j<width;j++){
       if(i==0 || i==height-1 || j==0 || j==width-1)
               filterData[i*width+j]=(int)((1+delt)*data[i*width+j]);
       else
        filterData[i*width+j]=(int)((9+delt)*data[i*width+j]-data[i*width+j-1])-data[i*width+j+1]
                             -data[(i-1)*width+j]-data[(i-1)*width+j-1]-data[(i-1)*width+j+1]
                             -data[(i+1)*width+j]-data[(i+1)*width+j-1]-data[(i+1)*width+j+1];       
       if(filterData[i*width+j]<min)
        min=filterData[i*width+j];
       if(filterData[i*width+j]>max)
        max=filterData[i*width+j];
      }  
     }
     for(int i=0;i<width*height;i++){
      filterData[i]=(filterData[i]-min)*255/(max-min);
     }
     return filterData;
    }
	public Image imageProcess()
	{
		int dataProcessed []=this.laplaceHigh2DFileter(this.imageData,this.wideth,this.height,this.delt);
		
		imageProcessed=this.createImage(dataProcessed);
		
		return imageProcessed;
	}
		
		
		public  void saveImageAfterProcess()
		{
			 System.out.println("-------------imageProcess()");
			this.saveImage("d:\\zyy.jpg");
			
		}
		
		public  void showImageAfterProcess()
		{}
	/**
	 * @param args
	 */
		public double getDelt() {
			return delt;
		}
		public void setDelt(double delt) {
			this.delt = delt;
		}
	public static void main(String[] args) {
		// TODO 自动生成方法存根
		Laplace2Delt zyy=new Laplace2Delt("003.jpg",0.1);
		zyy.imageProcess();
		zyy.saveImage("d:\\ks1.jpg");
		 
		

	}
	

}