

Check Visual Studio property manager and assign your configured property sheets.įull project is available here How to install docker to Ubuntu 18.10 Cosmic The project is setup based on OpenCV official tutorial (property sheets setup). (Any colored pixel summed with black pixel will results to the colored pixel). Sum background image with warped perspective image. create a mask at backgroundĬonst Point *pt4 = &(right_image) įillPoly(background, &pt4, &num, 1, Scalar(0, 0, 0), 8) Paint the region in the background image where we want to paste the video to black. WarpPerspective(video, warpedImage, H, background.size()) Mat H = findHomography(left_image, right_image, 0) once we get 4 corresponding points in both images calculate homography matrix corresponding video coordinate destination Left_image.push_back(Point(ls, video.rows)) Left_image.push_back(Point(0, video.rows))

Mat background = imread(backgroundFilename, CV_LOAD_IMAGE_COLOR) String backgroundFilename("background.jpg") We will use homography matrix and warped perspective. But if the image you want to embed is a quadrangle(four sided polygon) but not square or rectangle, this method suits you.

This method is overkill for square or rectangle. If the image you want to embed is a square or rectangle, there are other simpler methods.
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**Note that when I say image, it can also be video as video is a series of images. You have an image and want to embed on top of the image another image. Shows how to embed a quadrangle video into a picture using OpenCV C++. Quadrangle image in another image using OpenCV C++
