# A high-efficiency blind watermarking algorithm for double color image using Walsh Hadamard transform

> Research article (The Visual Computer, 2021) · cited 28× · AI/ML

**Wikidata**: [openalex:W3195025797](https://www.wikidata.org/wiki/openalex:W3195025797)  
**Source**: https://4ort.xyz/entity/a-high-efficiency-blind-watermarking-algorithm-for-double-color-image-using-walsh-hadamard-transform