G PHYSICS
G06 COMPUTING; CALCULATING OR COUNTING
G06V IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
G06V10/00 Arrangements for image or video recognition or understanding
G06V10/70 using pattern recognition or machine learning
G06V10/77 Processing image or video features in feature spaces; using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]; Blind source separation