# Real-time ultrasound image classification for spine anesthesia using local directional Hadamard features

> Research article (International Journal of Computer Assisted Radiology and Surgery, 2015) · cited 25× · AI/ML

**Wikidata**: [openalex:W1964494236](https://www.wikidata.org/wiki/openalex:W1964494236)  
**Source**: https://4ort.xyz/entity/real-time-ultrasound-image-classification-for-spine-anesthesia-using-local-directional-hadamard-features