嗨,我的脸检测线程工作太慢, 我只从线程不工作时,从onPreviewFrame调用此线程,否则我只是跳过调用,线程检测后,我打电话onDraw视图内绘制矩形慢镜头检测android
public void run() {
FaceDetector faceDetector = new FaceDetector(bitmapImg.getWidth(), bitmapImg.getHeight(), 1);
numOfFacesDetected = faceDetector.findFaces(bitmapImg, detectedFaces);
if (numOfFacesDetected != 0) {
detectedFaces.getMidPoint(eyesMidPoint);
eyesDistance = detectedFaces.eyesDistance();
handler.post(new Runnable() {
public void run() {
mPrev.invalidate();
// turn off thread lock
}
});
mPrev.setEyesDistance(eyesDistance);
mPrev.setEyesMidPoint(eyesMidPoint);
}
isThreadWorking = false;
}
public void onPreviewFrame(byte[] yuv, Camera camera) {
如果(isThreadWorking) 回报;
isThreadWorking = true;
ByteBuffer bbuffer = ByteBuffer.wrap(yuv);
bbuffer.get(grayBuff_, 0, bufflen_);
detectThread = new FaceDetectThread(handler);
detectThread.setBuffer(grayBuff_);
detectThread.start();
我的问题可能是因为我正在使用位图而不是灰阶它需要太长时间?我如何提高速度?
的YUV阵列具有亮度数据摆在首位,这将让你与灰度图像的工作。 – yeyeyerman