Criminal investigation 2 State-of-the-art methods 2 deep learning Automatic identification 1 Automation 1 CCA fusion 1 Canonical correlation analysis 1 Cascaded feature extraction 1 Chinese universities 1 Correlation methods 1 Deep learning 1 Discriminative power 1 Extraction 1 Feature extraction 1 Forensic science 1 Forensic sketches 1 Graphic methods 1 Histogram of oriented gradients (HOG) 1 Identity of interest 1 Image matching 1 Image processing 1 Lighting variations 1 Local feature extraction 1 Nearest neighbors 1 Oriented gradients 1 Search engines 1 Vectors 1 face sketch 1 forensic 1 identity of interest 1