# Spiral-Phase Masked Optical Image Health Care Encryption System for Medical Images Based on Fast Walsh-Hadamard Transform for Security Enhancement

> Research article (International Journal of Healthcare Information Systems and Informatics, 2018) · cited 12× · AI/ML

**Wikidata**: [openalex:W2886196911](https://www.wikidata.org/wiki/openalex:W2886196911)  
**Source**: https://4ort.xyz/entity/spiral-phase-masked-optical-image-health-care-encryption-system-for-medical-images-based-on-fast-walsh-hadamard-transfor