# Combining double random phase encoding for color image watermarking in quaternion gyrator domain

> Research article (Optics Communications, 2015) · cited 44× · AI/ML

**Wikidata**: [openalex:W2059362209](https://www.wikidata.org/wiki/openalex:W2059362209)  
**Source**: https://4ort.xyz/entity/combining-double-random-phase-encoding-for-color-image-watermarking-in-quaternion-gyrator-domain