# Imperceptible digital watermarking scheme combining 4-level discrete wavelet transform with singular value decomposition

> Research article (Multimedia Tools and Applications, 2020) · cited 23× · AI/ML

**Wikidata**: [openalex:W3030249624](https://www.wikidata.org/wiki/openalex:W3030249624)  
**Source**: https://4ort.xyz/entity/imperceptible-digital-watermarking-scheme-combining-4-level-discrete-wavelet-transform-with-singular-value-decomposition