Saving a video capture in python with openCV : empty video

I’m new in Python (2.7) and I try to work on video processing (with module openCv “cv2”). Starting with tutorials, I try to use the script of this tutorial : paragraph “Saving a video”. Everything …

Install opencv for Python 3.3

Is OpenCV still not available for Python 3.3 and do I really have to downgrade to Python 2.7 to use it? I didn’t find much about it on the internet, only some posts from 2012 that OpenCV wasn’t yet …

draw a circle over image opencv

Im usign python and opencv to get a image from the webcam, and I want to know how to draw a circle over my image, just a simple green circle with transparent fill my code: import cv2 import numpy …