[12] Zimnoch M, Oliferuk W, Maj M. Estimation of defect depth in steel plate using lock-in IR thermography[J]. Geological Data Processing, 2010, 17: 156-159.
[13] Cotic P, Kolaric D, Bosiljkov V B, et al. Determination of the applicability and limits of void and delamination detection in concrete structures using infrared thermography[J]. NDT & E International, 2015, 74(9): 87-93.
[15] Matovu M J, Farhidzadeh A, Salamone S. Damage assessment of steel-plate concrete composite walls by using infrared thermography: a preliminary study[J]. Journal of Civil Structural Health Monitoring, 2016, 6(2): 303-313.