Home » Blog » OpenCV-Python Cheat Sheet: From Importing Images to Face Detection OpenCV-Python Cheat Sheet: From Importing Images to Face Detection Cropping, Resizing, Rotating, Thresholding, Blurring, Drawing & Writing on an image, Face Detection & Contouring to detect objects. All Explained. What is OpenCV-Python? OpenCV is an open source computer vision and machine learning library. It has 2500