@conference {, title = {A Gaussian Mixture Model-Hidden Markov Model (GMM-HMM)-based fiber optic surveillance system for pipeline integrity threat detection}, booktitle = {Optical Fiber Sensors26th International Conference on Optical Fiber Sensors}, volume = {15333431143277}, year = {2018}, month = {09/2018}, pages = {WF36}, publisher = {OSA}, organization = {OSA}, address = {LausanneWashington, D.C.}, isbn = {978-1-943580-50-7}, doi = {10.1364/OFS.2018.WF36}, author = {Tejedor, J. and Javier Macias-Guarasa and Martins, H. F. and Martin-Lopez, S. and Gonzalez-Herraez, M.} }