# A bio-inspired quaternion local phase CNN layer with contrast invariance and linear sensitivity to rotation angles

> Research article (Pattern Recognition Letters, 2019) · cited 11× · AI/ML

**Wikidata**: [openalex:W2994264110](https://www.wikidata.org/wiki/openalex:W2994264110)  
**Source**: https://4ort.xyz/entity/a-bio-inspired-quaternion-local-phase-cnn-layer-with-contrast-invariance-and-linear-sensitivity-to-rotation-angles