Tag: Haar Cascade
-
Haar Cascade to YOLOv8 Face Detection: 4.2x Speed Gain
Migrated Haar Cascade to YOLOv8 face detection: 4.2x faster on CPU, 89% mAP50 vs 67%. Real preprocessing pitfalls and deployment gotchas included.
-
OpenCV Face Blur: 3 Mistakes That Kill Real-Time FPS
Haar cascade + Gaussian blur drops your FPS to 15? Here's the numpy slice bug, kernel size trap, and detection parameter fix that gets you back to 30.
-
OpenCV Face Detection: 20 Lines That Actually Work
Build real-time face detection in 20 lines of OpenCV Python. Cascade classifiers explained with working code that runs on any webcam today.