在Java語言程式設計中,如何使用Java應用模糊影象?
注意:需要存取網址:http://book2s.com/java/jar/o/opencv/download-opencv-3.2.0-0.html , 下載一個OpenCV軟體包。這裡下載最新版本:opencv-3.2.0-vc14.exe並解壓此檔案到D:\software\opencv目錄中。
專案結構如下圖所示 -
新增一個使用者自定義庫:OpenCV3.2,並指組態構建路徑為:D:\software\opencv\opencv\build\java\x64,如下圖所示 -
註:可參考: http://blog.csdn.net/shawncheer/article/details/51098456
以下是使用Java應用模糊影象的程式 -
package com.yiibai;
import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.core.Point;
import org.opencv.core.Size;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.imgproc.Imgproc;
public class BlurToAnImage {
public static void main(String args[]) {
//Loading the OpenCV core library
System.loadLibrary( Core.NATIVE_LIBRARY_NAME );
//Reading the Image from the file and storing it in to a Matrix object
String file = "images/zhonglou.jpg";
Mat src = Imgcodecs.imread(file);
//Creating an empty matrix to store the result
Mat dst = new Mat();
//Applying Blur effect on the Image
Imgproc.blur(src, dst, new Size(45, 45), new Point(20, 30), Core.BORDER_DEFAULT);
//blur(Mat src, Mat dst, Size ksize, Point anchor, int borderType)
//Writing the image
Imgcodecs.imwrite("images/blurOP.jpg", dst);
System.out.println("Image processed");
}
}
執行上面範例程式碼,得到以下結果 -
Image processed
原圖 -
在執行上面範例程式碼成功後,應該會在 F:\worksp\javaexamples\java_opencv\images 目錄中有看到生成一個檔案:blurOP.jpg 。
問題
F:\worksp\javaexamples\java_opencv
Exception in thread "main" java.lang.UnsatisfiedLinkError: no opencv_java320 in java.library.path
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at com.yiibai.CopyAndPasteAnImage.main(CopyAndPasteAnImage.java:13)
解決上述問題可通過參考: http://blog.csdn.net/shawncheer/article/details/51098456