Python Image Search Circle. Transform your image to greyscale. Opencv has an advanced implementation hough gradient which uses gradient of the edges instead of filling up the entire 3d accumulator matrix thereby speeding up the process.
Circle detection is a python code using hough circles algorithm implemented inside opencv library in python. You can vote up the ones you like or vote down the ones you don t like and go to the original project or source file by following the links above each example. Load the query image and describe it query cv2 imread args query features cd describe query perform the search searcher searcher args index results searcher search features display the query cv2 imshow query query loop over the results for score resultid in results.
Crop a meaningful part of the image for example the python circle in the logo.
Load the result image and display it result cv2 imread args result path resultid cv2 imshow result result cv2 waitkey 0. Load the query image and describe it query cv2 imread args query features cd describe query perform the search searcher searcher args index results searcher search features display the query cv2 imshow query query loop over the results for score resultid in results. Crop a meaningful part of the image for example the python circle in the logo. 06 05 2019 to identify circles ellipses or in general any shape in which the pixels are connected we use the simpleblobdetector function of opencv.