Accident prevention 2 Architectural design 1 Bayesian learning 1 Building materials 1 Building safety 1 CenterNet 1 Centernet 1 Construction industry 1 Data handling 1 Decoding 1 Detection methods 1 Detection performance 1 Environmental protection 1 Environmental technology 1 Feature extraction 1 Feature selection fusion 1 Features selection 1 Gray neural networks 1 Green building materials 1 Grey theory 1 Helmet detection 1 Industrial research 1 Large buildings 1 Material-based 1 Multi-scale non-local module 1 Multi-scales 1 Nonlocal 1 Object detection 1 Object recognition 1 Rapid growth 1