# Image alignment based perceptual image hash for content authentication

> Research article (Signal Processing Image Communication, 2019) · cited 38× · AI/ML

**Wikidata**: [openalex:W2973904489](https://www.wikidata.org/wiki/openalex:W2973904489)  
**Source**: https://4ort.xyz/entity/image-alignment-based-perceptual-image-hash-for-content-authentication