Android OpenCV检测圆需要太多FPS
目前,我正在开发一个应用程序,可以在相机视图中检测圆圈。到目前为止,我能够编写一个代码,成功地检测图像中的圆圈。现在我有一段代码,每帧都做同样的事情:Android OpenCV检测圆需要太多FPS,android,opencv,geometry,Android,Opencv,Geometry,目前,我正在开发一个应用程序,可以在相机视图中检测圆圈。到目前为止,我能够编写一个代码,成功地检测图像中的圆圈。现在我有一段代码,每帧都做同样的事情: public Mat onCameraFrame(CvCameraViewFrame inputFrame) { mat = inputFrame.rgba(); grayMat = inputFrame.gray(); Imgproc.GaussianBlur(grayMat, grayMat, n
public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
mat = inputFrame.rgba();
grayMat = inputFrame.gray();
Imgproc.GaussianBlur(grayMat, grayMat, new Size(9, 9), 2, 2);
Imgproc.HoughCircles(grayMat, circles,
Imgproc.CV_HOUGH_GRADIENT, dp, minDist, param1,
param2, minRadius, maxRadius);
int numberOfCircles = (circles.rows() == 0) ? 0 : circles.cols();
for (int i=0; i<numberOfCircles; i++) {
double[] circleCoordinates = circles.get(0, i);
int x = (int) circleCoordinates[0], y = (int) circleCoordinates[1];
Point center = new Point(x, y);
int radius = (int) circleCoordinates[2];
Core.circle(mat, center, radius, new Scalar(0,
255, 0), 4);
Core.rectangle(mat, new Point(x - 5, y - 5),
new Point(x + 5, y + 5),
new Scalar(0, 128, 255), -1);
}
return mat;
}
public Mat onCameraFrame(CvCameraViewFrame inputFrame){
mat=inputFrame.rgba();
grayMat=inputFrame.gray();
GaussianBlur(grayMat,grayMat,新尺寸(9,9,2,2));
Imgproc.HoughCircles(灰色、圆形、,
Imgproc.CV_HOUGH_GRADIENT,dp,Minist,param1,
参数2,最小半径,最大半径);
int numberOfCircles=(circles.rows()==0)?0:circles.cols();
对于(inti=0;i我有同样的问题,我发现了这个,它
建议将相机分辨率降低mOpenCvCameraView.setMaxFrameSize(640480);
我已经试过了,帧数增加到7/8 fps;我认为这是一个开始