RobikShrestha
January 30th, 2012, 08:34 AM
I tried the following code using JavaCV library:
public class JavaCVSample {
public static void main(String[] args) throws Exception {
String classifierName = "/usr/local/OpenCV/data/haarcascades/haarcascade_frontalface_alt.xml";
Loader.load(opencv_objdetect.class);
CvHaarClassifierCascade classifier = new
CvHaarClassifierCascade(cvLoad(classifierName));
CanvasFrame frame = new CanvasFrame("Some Title");
// OpenCVFrameGrabber uses opencv_highgui, but other more versatile FrameGrabbers
// include DC1394FrameGrabber, FlyCaptureFrameGrabber, OpenKinectFrameGrabber,
// PS3EyeFrameGrabber, VideoInputFrameGrabber, and FFmpegFrameGrabber.
FrameGrabber grabber = new OpenCVFrameGrabber(0);
grabber.start();
}
}
Following is the output:
VIDIOC_QUERYMENU: Invalid argument
VIDIOC_QUERYMENU: Invalid argument
VIDIOC_QUERYMENU: Invalid argument
HIGHGUI ERROR: V4L: Property <unknown property string>(16) not supported by device
What is the problem? Is it due to the driver? If so, how do I upgrade the driver? The webcam I have is "PC Camera" (according to the manual of my SIS laptop).
public class JavaCVSample {
public static void main(String[] args) throws Exception {
String classifierName = "/usr/local/OpenCV/data/haarcascades/haarcascade_frontalface_alt.xml";
Loader.load(opencv_objdetect.class);
CvHaarClassifierCascade classifier = new
CvHaarClassifierCascade(cvLoad(classifierName));
CanvasFrame frame = new CanvasFrame("Some Title");
// OpenCVFrameGrabber uses opencv_highgui, but other more versatile FrameGrabbers
// include DC1394FrameGrabber, FlyCaptureFrameGrabber, OpenKinectFrameGrabber,
// PS3EyeFrameGrabber, VideoInputFrameGrabber, and FFmpegFrameGrabber.
FrameGrabber grabber = new OpenCVFrameGrabber(0);
grabber.start();
}
}
Following is the output:
VIDIOC_QUERYMENU: Invalid argument
VIDIOC_QUERYMENU: Invalid argument
VIDIOC_QUERYMENU: Invalid argument
HIGHGUI ERROR: V4L: Property <unknown property string>(16) not supported by device
What is the problem? Is it due to the driver? If so, how do I upgrade the driver? The webcam I have is "PC Camera" (according to the manual of my SIS laptop).