# An Optimized Digital Watermarking Scheme Based on Invariant DC Coefficients in Spatial Domain

> Research article (Electronics, 2020) · cited 24× · AI/ML

**Wikidata**: [openalex:W3082635117](https://www.wikidata.org/wiki/openalex:W3082635117)  
**Source**: https://4ort.xyz/entity/an-optimized-digital-watermarking-scheme-based-on-invariant-dc-coefficients-in-spatial-domain