我有这个问题,当我尝试使用适用于 android 的 openCv 库找到戴眼镜的眼睛时,我的代码不起作用。
我的代码如下:
try {
InputStream is = this.getResources().openRawResource(R.raw.haarcascade_eye_tree_eyeglasses);
File cascadeDir = this.getDir("cascade"+"occhiOcchiali", Context.MODE_PRIVATE);
File cascadeFile = new File(cascadeDir, "haarcascade_eye_tree_eyeglasses.xml");
FileOutputStream os = new FileOutputStream(cascadeFile);
byte[] buffer = new byte[4096];
int bytesRead;
while ((bytesRead = is.read(buffer)) != -1) {
os.write(buffer, 0, bytesRead);
}
is.close();
os.close();
mioClassificatoreOcchiOcchiali = new CascadeClassifier(cascadeFile.getAbsolutePath());
Log.d("metodo1", cascadeFile.getAbsolutePath());
if (mioClassificatoreOcchiOcchiali.empty()) {
Log.d("metodo1", "Failed to load cascade classifier");
mioClassificatoreOcchiOcchiali = null;
} else
Log.d("metodo1", "Loaded cascade classifier from " + cascadeFile.getAbsolutePath());
cascadeFile.delete();
cascadeDir.delete();
} catch (IOException e) {
e.printStackTrace();
Log.d("metodo1" , "Failed to load cascade. Exception thrown: " + e);
}
通过这种方式,我使用我的分类器并使用此代码尝试找到戴眼镜的眼睛:
LinkedList<org.opencv.core.Rect> occhi = new LinkedList<org.opencv.core.Rect>();
org.opencv.core.Size sOcchi = new org.opencv.core.Size(15, 15);
mioClassificatoreOcchiOcchiali.detectMultiScale(matOcchi, occhi,1.1, 2,0,sOcchi);
如果我离开眼镜,结果总是 0,结果总是 2。
任何人都可以帮助我吗?
提前致谢。