3D reconstruction Brillouin scattering DIC Fiber Bragg Grating (FBG) Fiber Bragg grating Fusarium head blight PAD Rayleigh scattering SHM UHPFRC artificial neural networks atmosphere autoencoder blade tip timing bridge damage detection castigliano’s theorem centrifugal compressor colorimetric detection convolutional neural network corrosion sensor crack detection crack measurement crack opening cracking damage index deep learning depth sensor distributed fiber optic sensors distributed measurements distributed optical fiber strain sensing cable