Two ways Crowd flows 1 Decoherence 1 Distillation 1 Einstein-Podolsky-rosen 1 Entanglement distillation 1 Entropy 1 Entropy-based 1 F values 1 Flow statistics 1 Gaussians 1 Image enhancement 1 Intelligent security 1 Intrinsic differences 1 Linear amplification 1 Lower and upper approximations 1 Measurement-based 1 Monitoring 1 Moving targets 1 Multi-sets 1 Multiset 1 Neutrosophic sets 1 Noisy environment 1 People flows 1 Physics 1 Quantum communication 1 Quantum cryptography 1 Quantum entanglement 1 Security systems 1 Single-value 1