[1] GALINDEZJAMIOY C A, LOPEZHIGUERA J M. Brillouin distributed fiber sensors: an overview and applications[J]. Journal of Sensors, 2012(10): 1-17.
[2] BAO X Y, CHEN L. Recent progress in distributed fiber optic sensors[J]. Sensors, 2012, 12(7): 8601-8639.
[5] SOTO M A, RAMIREZ J A, THEVENAZ L. Intensifying the response of distributed optical fibre sensors using 2D and 3D image restoration[J]. Nature Communications, 2016, 7: 10870-1-10870-11.
[6] SOTO M A, RAMIREZ J A, THEVENAZ L. Image and video denoising for distributed optical fibre sensors[C]//Optical Fiber Sensors 2017(OFS-
[9] LI J Q, WANG D, WANG Y, et al. A novel method of Brillouin scattering spectrum identification based on sobel operators in optical fiber sensing system[J]. Optical and Quantum Electronics, 2018, 50(1): 27-1-27-8.
[10] LI J Q, ZHOU W N, WANG Y D, et al. A novel method of the Brillouin gain spectrum recognition using enhanced Sobel operators based on BOTDA system[J]. IEEE Sensor Journal, 2019, 19(11): 4093-4097.
[11] CAO Z Y, GUO N, LI M H, et al. Back propagation neutral network based signal acquisition for Brillouin distributed optical fiber sensors[J]. Optics Express, 2019, 27(4): 4549-4561.
[12] SUN Q C, HOU Y Q, TAN Q C. A subpixel edge detection method based on an arctangent edge model[J]. Optik, 2016, 127(14): 5702-5710.
[13] WANG X. Laplacian operator-based edge detectors[J]. IEEE Transactions on Pattern Analysis and Machine Intelligence, 2007, 29(5): 886-890.
[16] ATTAR A, SHAHBAHRAMI A, RAD R M. Image quality assessment using edge based features[J]. Multimedia Tools and Application, 2016, 75(12): 7407-7422.
