# Imperceptible and secure image watermarking using DCT and random spread technique

> Research article (TELKOMNIKA (Telecommunication Computing Electronics and Control), 2019) · cited 21× · AI/ML

**Wikidata**: [openalex:W2943764139](https://www.wikidata.org/wiki/openalex:W2943764139)  
**Source**: https://4ort.xyz/entity/imperceptible-and-secure-image-watermarking-using-dct-and-random-spread-technique