A real-time non-contact monitoring method of subsea pipelinesDalei Song, Xueyan Ma, Xinjian Fan, Guojia Hou, Jixing Sun, Weiguo Shi and Qingzhong LiMATEC Web of Conferences, 34 (2015) 04009DOI: https://doi.org/10.1051/matecconf/20153404009