Automatic defects classification - A contribution

NDT and E International

Volumn 34, Issue 5, 2001, Pages 313-318

  Santos, J B ^a   Perdigão, F ^b  

^a UNIVERSITY OF COIMBRA   (Portugal)

^b UNIVERSITY OF COIMBRA   (Portugal)

Author keywords

Feature extraction; Pattern recognition; Pulse echo; Reflectors

Indexed keywords

ACOUSTIC WAVE REFLECTION; DEFECTS; FEATURE EXTRACTION; ULTRASONIC TRANSDUCERS;

PULSE-ECHO;

NONDESTRUCTIVE EXAMINATION;

EID: 0035400603     PISSN: 09638695     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0963-8695(00)00043-8     Document Type: Article

References (14)

1. J.L Rose A 23 sorting study in ultrasonics and pattern recognition Mat Eval 35 1977 87 96
2. C.P Chiou L.W Schmerr Quasi pulse-echo ultrasonic technique for flaw classification Ultrasonics 29 1991 471 481
3. A McNab I Dunlop AI techniques applied to the classification of welding defects from automated NDT data Br J Non-Destructive Testing 33 1991 11 18
4. A.R Baker C.G Windsor The classification of defects from ultrasonic data using neural networks: the Hopfield method NDT Int 22 1 1989 97 105
5. M.A Javed S.A.C Sanders Artificial neural networks as intelligent condition monitoring devices Cond Monitoring Diagnostic Technol 2 1 1991 17 20
6. Santos JB, Perdigão J. Automatic defects classification system using spectral analysis and neural networks. Ultrasonic International 93 Conference Proceedings, 1993. p. 763–6.
7. C.H Chen G.H You Class-sensitive neural network Neural Parallel Scient Comput 1 1 1993 93 96
8. MATLAB for Windows, Signal Processing Toolbox, 1994.
9. J.B Santos J Perdigão Corrosion detection and classification by spectral analysis INSIGHT 38 3 1996 202 205
10. F Lizzi Applications of spectral analysis in medical ultrasonography Ultrasonics 1976 77 80
11. Y Tsukahara K Ohira Detection of smooth bondings of polymer coatings by ultrasonic spectroscopy Ultrasonics 27 1989 3 18
12. Muratore JF. Ultrasonic spectroscopy of inhomogeneous media. PhD, UMI, 1987.
13. D.H Sanders Statistics — a first course 1995 McGraw-Hill New York
14. C.W Therrien Discrete random signals and statistical signal processing 1992 Prentice-Hall New York