# Color image watermarking based on a fast structure-preserving algorithm of quaternion singular value decomposition

> Research article (Signal Processing, 2023) · cited 41× · AI/ML

**Wikidata**: [openalex:W4320180811](https://www.wikidata.org/wiki/openalex:W4320180811)  
**Source**: https://4ort.xyz/entity/color-image-watermarking-based-on-a-fast-structure-preserving-algorithm-of-quaternion-singular-value-decomposition