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我还是一个新手Java程序员。 我已经下载了一些在互联网上的项目,但我有一些问题运行其中一个项目。 该项目是关于人脸识别。 它可以成功编译,但是当我想要加载图像时,文件图片不会显示在JFileChooser中。java 3d人脸识别程序
我认为这个问题是在这个部分:
File folder = fc.getSelectedFile();
//System.out.println("1 "+folder);
FileFilter dirFilter = new FileFilter() {
public boolean accept(File pathname) {
return pathname.exists() && pathname.isDirectory();
}
};
FileFilter jpgFilter = new FileFilter() {
public boolean accept(File pathname) {
String filename = pathname.getName();
boolean jpgFile = (filename.toUpperCase().endsWith("JPG")
|| filename.toUpperCase().endsWith("JPEG"));
return pathname.exists() && pathname.isFile() && jpgFile;
}
};
File[] folders = folder.listFiles(dirFilter);
//System.out.println("2 "+folders);
trainingSet.clear();
faceBrowser.empty();
for (int i = 0; i < folders.length; i++) { //For each folder in the training set directory
File[] files = folders[i].listFiles(jpgFilter);
System.out.println("3 " + files);
for (int j = 0; j < files.length; j++) {
trainingSet.add(files[j]);
}
}
File[] files = trainingSet.toArray(new File[1]);
jlist.setListData(files);
//there is no image files in the folderwai
//System.out.println(files);
for (int i = 0; i < files.length; i++) {
//System.out.println(files[0]);
Face f = new Face(files[i]);
f.description = "Face image in database.";
f.classification = files[i].getParentFile().getName();
faceBrowser.addFace(f);
faces.add(f);
}
jlStatus.setIndeterminate(false);
jlStatus.setString(files.length + " files loaded from " + folders.length + " folders.");
jlStatus.paintImmediately(jlStatus.getVisibleRect());
jspFaceBrowser.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
main.invalidate();
jbTrain.setEnabled(true);
jbCropImage.setEnabled(true);
}
什么是'trainingSet'声明为? –