Morphological Scratch Healing
Scratched QR codes often suffer from broken timing lines between the finder patterns. A 3x3 morphological closing operation (dilation followed by erosion) bridges hairline fractures while preserving module boundaries.
A technical guide on optical pre-processing, 4-point perspective unwarping, and morphological closing for physical evidence extraction.
Scratched QR codes often suffer from broken timing lines between the finder patterns. A 3x3 morphological closing operation (dilation followed by erosion) bridges hairline fractures while preserving module boundaries.
Security Analyst and Aspiring Security Engineer passionate about digital image forensics, OSINT research, CTF steganography challenges, and client-side application security.
Step-by-step forensic tutorial on Otsu adaptive binarization, white-on-black color inversion, and morphological scratch repair.
How threat actors use QR codes to bypass corporate email gateways, and how security analysts decode and analyze destination URLs.