# Color image zero-watermarking based on fast quaternion generic polar complex exponential transform

> Research article (Signal Processing Image Communication, 2019) · cited 82× · AI/ML

**Wikidata**: [openalex:W2996964871](https://www.wikidata.org/wiki/openalex:W2996964871)  
**Source**: https://4ort.xyz/entity/color-image-zero-watermarking-based-on-fast-quaternion-generic-polar-complex-exponential-transform