2Katragadda G,Lord W,Sun Y S,et al.Alternative magnetic flux leakage modalities for pipeline inspection [J].IEEE Transactions on Magnetic,1996,32(3):1581-1584.
3Mandayam S,Udpa L,Udpa S S,et al.Invariance transformations for magnetic flux leakage signals [J].IEEE Transactions on Magnetics,1996,32(3):1577-1580.
4Tham W,Wooley S.The detection and segmentation of pipeline inspection features for diagnostically lossless data compression [J] .IST/SPIE Electronic Imaging,2001 21-26 January 2001,San Jose,California,USA.
