Alignment 1 Criminal investigation 1 Cross modality 1 Cross-modality gap Face recognition 1 Facial images 1 Feature alignment 1 Image retrieval 1 Intermodality 1 Matchings 1 Sketch face recognition 1 Small sample problem 1 Small samples 1 article 1 cross-modality gap 1 embedding 1 facial recognition 1 feature alignment 1 human 1 image retrieval 1 learning 1 memory 1 sketch face recognition 1 small sample problem 1