# Double-encrypted watermarking algorithm based on cosine transform and fractional Fourier transform in invariant wavelet domain

> Research article (Information Sciences, 2020) · cited 83× · AI/ML

**Wikidata**: [openalex:W3109222419](https://www.wikidata.org/wiki/openalex:W3109222419)  
**Source**: https://4ort.xyz/entity/double-encrypted-watermarking-algorithm-based-on-cosine-transform-and-fractional-fourier-transform-in-invariant-wavelet-