104 questions
I want to connect the black dots in the image horizontally.Contours of cv2 detected the contour and used Euclidean distance to create four coordinates so that the interval between the acquired contour...
int main() { VideoCapture capture; capture.open(pipoball.avi); CV_Assert(capture.isOpened()); double frame_rate = capture.get(CAP_PROP_FPS); int delay = 1000 / frame_rate; Mat frame; int nofrm = 0; Po...
How do I draw a straight line with the same length as the long side of the rectangle in an angled rectangle?The language is Python, and the library used for drawing is OpenCV.The versions are as follo...
I read a frame from a video to surround the ROI and create a code to track it.At that time, I would like to capture the frame I like, such as the フレームth frame, not the first frame, but how should I ch...
I want to track white objects using particle filters, but an error occurred when I tried to run them, so I didn't know the cause, so it stopped.If anyone knows the cause, please let me know.The runnin...
Please let me know the code to detect only the lower half of the image.
I'd like to save the videos I can get from the two webcams (camera1, camera2) as separate video files.At the same time, there was another process that I had to do (which plays music, defined as music)...
I would like to extract the first frame (or 1st to nth) of each video from multiple video files in a folder and save it as an image.If it is just one video file, I have achieved it below, but I am not...
Sorry for the difficulty in understanding the titleFrom the menu image of Kura-zushi at the link below http://www.kura-corpo.co.jp/menu-cp/img/menu-index-pc-01.jpg·For each product (maguro|salmon|how ...
I want to use cv::cudacodec::createVideoReader in opencv 4.1 for high resolution video processingcuda I have placed a valid opencv, but it cannot work. std::string fname(C:/Users/****/****.avi);cv::Pt...
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