# Accurate and fast two-step phase shifting algorithm based on principle component analysis and Lissajous ellipse fitting with random phase shift and no pre-filtering

> Research article (Optics Express, 2019) · cited 28× · AI/ML

**Wikidata**: [openalex:W2954474904](https://www.wikidata.org/wiki/openalex:W2954474904)  
**Source**: https://4ort.xyz/entity/accurate-and-fast-two-step-phase-shifting-algorithm-based-on-principle-component-analysis-and-lissajous-ellipse-fitting-