[1] [1] GHARSALLAH M B, BRAIEK E B. Weld inspection based on radiography image segmentation with level set active contour guided off-center saliency map ［J］. Advances in Materials Science & Engineering, 2015, 2015: 871602-1-10.

[2] [2] TABATABAEIPOUR M, HETTLER J, DELRUE S, et al.. Non-destructive ultrasonic examination of root defects in friction stir welded butt-joints ［J］. NDT & E International, 2016, 80: 23-34.

[3] [3] MIZUKAMI K, MIZUTANI Y, TODOROKI A, et al.. Detection of delamination in thermoplastic CFRP welded zones using induction heating assisted eddy current testing［J］. NDT & E International, 2015, 74: 106-111.

[4] [4] FITZPATRICK G L, THOME D K, SKAUGSET R L, et al.. Magneto-optic/eddy current imaging of aging aircraft: a new NDI technique ［J］. Materials Evaluation, 1993, 51(12): 1402-1407.

[5] [5] RADTKE U, ZIELKE R, RADEMACHER H G, et al.. Application of magneto-optical method for real-time visualization of eddy currents with high spatial resolution for nondestructive testing ［J］. Optics and Lasers in Engineering, 2001, 36(3): 251-268.

[6] [6] LE M, LEE J, SHOJI T. A simulation of magneto-optical eddy current imaging ［J］.NDT & E International, 2011, 44(8): 783-788.

[7] [7] CHEN Y H, ZHOU ZH F, YIN B B. Study on magneto optical/eddy current imaging system for real-time testing ［J］.Opt. Precision Eng., 2006, 14(5): 797-801. (in Chinese)

[8] [8] GAO X D, CHEN Y Q, YOU D Y, et al.. Detection of micro gap weld joint by using magneto-optical imaging and Kalman filtering compensated with RBF neural network ［J］. Mechanical Systems and Signal Processing, 2017, 84: 570-583.

[9] [9] GAO X D, MO L, XIAO ZH L, et al.. Micro-gap weld tracking based on Kalman filtering of magneto-optical images ［J］. Journal of Mechanical Engineering, 2016, 52(4): 67-72. (in Chinese)

[10] [10] GAO X D, LI G H, XIAO ZH L, et al.. Detection and classification of welded defects by magneto-optical imaging based on multi-scale wavelet ［J］. Opt. Precision Eng., 2016, 24(4): 930-936. (in Chinese)

[11] [11] TSE W K, MACDONALD A H. Giant magneto-optical Kerr effect and universal Faraday effect in thin-film topological insulators ［J］. Physical Review Letters, 2010, 105(5): 057401.

[12] [12] RICHERT H, SCHMIDT H, LINDNER S, et al.. Dynamic magneto-optical imaging of domains in grain-oriented electrical steel ［J］. Steel Research International, 2016, 87(2): 232-240.

[13] [13] WANG Q G, PAN H J, ZHANG L ZH, et al.. A research on the distribution of magnetic field in ferromagnetic materials for magnetic leakage flux nondestructive testing ［J］. Nondestructive Testing, 2001, 23(1): 6-8.(in Chinese)

[14] [14] LI H S, ZHANG Y N, YAO R, et al.. Parameter estimation of linear motion blur based on principal component analysis ［J］.Opt. Precision Eng., 2013, 21(10): 2656-2663. (in Chinese)

[15] [15] HAN Y B, BAI G ZH, LI X Y, et al.. Dynamic reliability analysis of flexible mechanism based on support vector machine ［J］. Journal of Mechanical Engineering, 2014, 50(11): 86-92.(in Chinese)