IntermediateReal-time face detection in Python: MediaPipe vs Haar cascade
Two ways to detect faces in a webcam feed with Python. See the code for both, then a straight comparison of speed, accuracy and when each one is the right choice.
Detection & Tracking
Finding faces, hands and text in a frame — and choosing between the classical and modern approaches.
Intermediate
IntermediateCount fingers with MediaPipe in Python
Hold up three fingers and Python says three. Learn the landmark logic behind finger counting, including the thumb rule that trips everyone up.
BeginnerExtract text from an image with Python (OCR that actually works)
Tesseract plus a few lines of OpenCV preprocessing turns blurry photos into clean text. Learn the cleanup steps that take accuracy from unusable to reliable.
Newsletter
Get new articles
Free essays on learning, Python, and ML — no account required. We’ll only email when there’s something worth reading.