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Java 使用函数calcOpticalFlowPyrLK_Java_Android_Opencv - Fatal编程技术网

Java 使用函数calcOpticalFlowPyrLK

Java 使用函数calcOpticalFlowPyrLK,java,android,opencv,Java,Android,Opencv,我们是否可以使用«MatOfPoint2f prevPts»方法Video.calcOpticalFlowPyrLK中所有点MatOfPoint2f[]的数组作为输入参数,如在OpenCV for Windows中 对于Android,我只能执行以下操作: Video.calcOpticalFlowPyrLK(Cadr_Prev,Cadr_Current, Point_PrevPts[iindex], Point_CurrentPts[iindex], _bstatus[iindex],

我们是否可以使用«MatOfPoint2f prevPts»方法Video.calcOpticalFlowPyrLK中所有点MatOfPoint2f[]的数组作为输入参数,如在OpenCV for Windows中

对于Android,我只能执行以下操作:

Video.calcOpticalFlowPyrLK(Cadr_Prev,Cadr_Current,
 Point_PrevPts[iindex],
 Point_CurrentPts[iindex],
 _bstatus[iindex], 
 _trackError[iindex]);

另外,我为每个点循环运行函数calcOpticalFlowPyrLK,它会影响生产率。

OpenCv开发者的回答: 我正在通过MatOfPoint2f::fromArray方法从点[]数组创建MatOfPoint2f