# Improving DFT-Based Image Watermarking Using Particle Swarm Optimization Algorithm

> Research article (Mathematics, 2021) · cited 62× · AI/ML

**Wikidata**: [openalex:W3184769389](https://www.wikidata.org/wiki/openalex:W3184769389)  
**Source**: https://4ort.xyz/entity/improving-dft-based-image-watermarking-using-particle-swarm-optimization-algorithm