我试图用EM :: predict2(sample,probs)来预测一个像素是不是叶子的一部分;然而,我发现了错误:Android Opencv EM致命错误
CvException [org.opencv.core.CvException: cv::Exception: /build/master_pack-android/opencv/modules/ml/src/em.cpp:569: error: (-215) sample.size() == Size(means.cols, 1) in function cv::Vec2d cv::ml::EMImpl::computeProbabilities(const cv::Mat&, cv::Mat*, int) const]
当我打电话:
Mat mPredict = new Mat(1, 1, CvType.CV_8UC1);
Mat mLabel = new Mat(1, 1, CvType.CV_8UC1);
mPredict.put(0,0,imgHSV.get(i,j)[1]);
mLabel.put(0,0,imgHSV.get(i,j)[2]);
double[] probabilities = em.predict2(mPredict, mLabel);
为了澄清一些观点,我表示我试图按照下面的伪代码:
stackedPixels ← ∅
for all pixelRow in image do
for all pixel in pixelRow do
stackedPixels ← stackedPixels ∪ pixel
end for
end for
EM ← OpenCV.EM(nClusters = 2, covMatT ype = OpenCV.DIAGONAL)
EM.train(stackedPixels)
return EM
key ← hash(pixel[S], pixel[V])
if hash in pixelDictionary then
return pixelDictionary[key]
end if
probabilities ← EM.predict(pixel[S], pixel[V])
pixelDict[key] = probabilities[0] > probabilities[1]
return pixelDict[key]
我使用的是v3.2.0。但是,我要去看看它是否可以帮助我! – Tarcisiofl