第一件事:我不是以英语为母语的人,所以我尽量做到最好。
我试图使用JavaCV,但它不起作用。我得到错误:
OpenJDK 64-Bit Server VM warning: You have loaded library /usr/lib/libtbb.so which might have disabled stack guard. The VM will try to fix the stack guard now.
It's highly recommended that you fix the library with 'execstack -c <libfile>', or link it with '-z noexecstack'.
Exception in thread "main" java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58)
Caused by: java.lang.UnsatisfiedLinkError: no jniopencv_core in java.library.path
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867)
at java.lang.Runtime.loadLibrary0(Runtime.java:870)
at java.lang.System.loadLibrary(System.java:1122)
at com.googlecode.javacpp.Loader.loadLibrary(Loader.java:711)
at com.googlecode.javacpp.Loader.load(Loader.java:586)
at com.googlecode.javacpp.Loader.load(Loader.java:540)
at com.googlecode.javacv.cpp.opencv_core.<clinit>(opencv_core.java:134)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
at com.googlecode.javacpp.Loader.load(Loader.java:561)
at com.googlecode.javacpp.Loader.load(Loader.java:540)
at com.googlecode.javacv.cpp.opencv_core$CvArr.<clinit>(opencv_core.java:156)
at Main.main(Main.java:18)
... 5 more
Caused by: java.lang.UnsatisfiedLinkError: /tmp/javacpp22248052399215/libjniopencv_core.so: libopencv_core.so.2.4: cannot open shared object file: No such file or directory
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1941)
at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1824)
at java.lang.Runtime.load0(Runtime.java:809)
at java.lang.System.load(System.java:1086)
at com.googlecode.javacpp.Loader.loadLibrary(Loader.java:700)
... 14 more
我在本教程中安装了OpenCV:
https://udallascs.wordpress.com/2014/03/30/adding-opencv-and-configuring-to-work-with-eclipse-and-java/
以下是源代码:
import com.googlecode.javacv.cpp.opencv_core.IplImage;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
public class Main {
public static void main(String s[]) {
try {
BufferedImage bi = ImageIO.read(new File("/home/arjan/Desktop/HelloWorld.jpg"));
IplImage img = IplImage.createFrom(bi);
}catch (Exception ex) {ex.printStackTrace();}
}
我使用的是arch linux,还安装了带有pacman的OpenCV
这是我使用的罐子的图片
picture of jar files