# Color image watermark decoder by modeling quaternion polar harmonic transform with BKF distribution

> Research article (Signal Processing Image Communication, 2020) · cited 39× · AI/ML

**Wikidata**: [openalex:W3041300087](https://www.wikidata.org/wiki/openalex:W3041300087)  
**Source**: https://4ort.xyz/entity/color-image-watermark-decoder-by-modeling-quaternion-polar-harmonic-transform-with-bkf-distribution