# Hyper ellipse fitting in subspace method for phase-shifting interferometry: practical implementation with automatic pixel selection

> Research article (Optics Express, 2017) · cited 43× · AI/ML

**Wikidata**: [openalex:W2767936744](https://www.wikidata.org/wiki/openalex:W2767936744)  
**Source**: https://4ort.xyz/entity/hyper-ellipse-fitting-in-subspace-method-for-phase-shifting-interferometry-practical-implementation-with-automatic-pixel