# A high-efficiency acquisition method of LED multispectral images using Gray code based square wave frequency division modulation

> Research article (Digital Signal Processing, 2022) · cited 10× · AI/ML

**Wikidata**: [openalex:W4214890759](https://www.wikidata.org/wiki/openalex:W4214890759)  
**Source**: https://4ort.xyz/entity/a-high-efficiency-acquisition-method-of-led-multispectral-images-using-gray-code-based-square-wave-frequency-division-mo