Real-time ultrasound image classification for spine anesthesia using local directional Hadamard features.
Mehran PesteiePurang AbolmaesumiHussam Al-Deen AshabVictoria A. LessowaySimon MasseyVit GunkaRobert N. RohlingPublished in: Int. J. Comput. Assist. Radiol. Surg. (2015)