Tag: opencv
-
OpenCV vs Pillow: 10 Operations Benchmarked (2026)
OpenCV wins 9 of 10 operations โ but rotation goes to Pillow. Real benchmarks on resize, blur, grayscale, and more with exact timings per operation.
-
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.
-
Pillow to OpenCV: 3.4x Faster Image Load in Production
Pillow's imread took 800ms per image. OpenCV cut it to 240ms. Here's the color space trap, dtype bug, and EXIF hell that break every migration.
-
OpenCV to Albumentations: 3x Faster Augmentation Pipeline
Migrate from OpenCV to Albumentations for 3x faster image augmentation. Compare performance, GPU support, and integration tips for CV pipelines.
-
Haar Cascades to Mediapipe Face Mesh: Migration Guide
Haar Cascades miss 23% of faces in real-world tests. Mediapipe Face Mesh hits 96% accuracy and gives you 468 landmarks for free โ here's how to migrate.
-
OpenCV vs Pillow: Image Processing Speed Benchmark
Compare OpenCV and Pillow performance with real benchmarks. Find out which library wins for resizing, filtering, and batch operations.
-
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.