🎯 Face Detection with Python | Detect Faces in Images from SCRATCH

Published: 28 May 2026
on channel: sitowebveloce

In this tutorial you'll learn how to detect faces in an image using Python and OpenCV 4.13, one of the most powerful and widely used computer vision libraries in the world.
📌 What we'll cover:

Installing opencv-python on Windows 11 with a virtual environment
-Loading and pre-processing an image (grayscale conversion + histogram equalization)
Using the Haar Cascade classifier for face detection
Drawing bounding rectangles around detected faces
Saving the output image to disk

🛠️ Tools used:

Python 3.x
OpenCV 4.13.0.92 (opencv-python)
VS Code / PowerShell terminal

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