How to compare compare contour of two image
void draw_ellipse(Mat &a,int count) { findContours( th1, contours, hierarchy, CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, Point(0,0) ); for(i=0;iarea[i+1]) // v1,v2,v3 are vectors...
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View ArticleTrain a classifier to detect objects based on its form and colors
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View ArticleCalculating mean value of pixels of many images
I have some images that I want to calculate mean value of each pixel of all images. Lets say I have 5 image of size 3x3. I read all pixels of each image and put them in row of a Mat object so at the...
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View ArticleCould OpenCV return a matrix for a function?
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View Articlecopy row from one Mat to another (is it safe to pad descriptors with 0s)
I am putting all the descriptors for multiple images from an ORB detector into one Mat to feed to cv::flann::index->build. Here is the code I am trying. EDIT: I guess the main question right now....
View ArticleEvaluation of 2 frames after encoding/decoding
Hi everyone, Another question, I capture 2 frames and then I obtain the absolute error of them: //// After capturing 2 frames Mat frame1, frame2; absdiff(frame1,frame2,error); Everything ok at this...
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