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Signal Processing in Advanced Nondestructive Materials Inspection

  1. Research Article

    A Machine Learning Approach for Locating Acoustic Emission

    This paper reports on the feasibility of locating microcracks using multiple-sensor measurements of the acoustic emissions (AEs) generated by crack inception and propagation. Microcrack localization has obviou...

    NF Ince, Chu-Shu Kao, M Kaveh, A Tewfik and JF Labuz

    EURASIP Journal on Advances in Signal Processing 2010 2010:895486

    Published on: 31 October 2010

  2. Research Article

    Heuristic Enhancement of Magneto-Optical Images for NDE

    The quality of measurements in nondestructive testing and evaluation plays a key role in assessing the reliability of different inspection techniques. Each different technique, like the magneto-optic imaging h...

    Matteo Cacciola, Giuseppe Megali, Diego Pellicanò, Salvatore Calcagno, Mario Versaci and FrancescoCarlo Morabito

    EURASIP Journal on Advances in Signal Processing 2010 2010:485695

    Published on: 28 September 2010

  3. Research Article

    A Study of Concrete Hydration and Dielectric Relaxation Mechanism Using Ground Penetrating Radar and Short-Time Fourier Transform

    Ground penetrating radar (GPR) was used to characterize the frequency-dependent dielectric relaxation phenomena in ordinary Portland cement (OPC) hydration in concrete changing from fresh to hardened state. Th...

    W. L. Lai, T. Kind and H. Wiggenhauser

    EURASIP Journal on Advances in Signal Processing 2010 2010:317216

    Published on: 20 July 2010

  4. Research Article

    On the Evaluation of Texture and Color Features for Nondestructive Corrosion Detection

    We present a methodology for automatic corrosion detection in digital images of carbon steel storage tanks and pipelines from a petroleum refinery. The database consists of optical digital images taken from eq...

    Fátima N.S. Medeiros, Geraldo L.B. Ramalho, Mariana P. Bento and Luiz C.L. Medeiros

    EURASIP Journal on Advances in Signal Processing 2010 2010:817473

    Published on: 7 July 2010

  5. Research Article

    Attenuation Analysis of Lamb Waves Using the Chirplet Transform

    Guided Lamb waves are commonly used in nondestructive evaluation to monitor plate-like structures or to characterize properties of composite or layered materials. However, the dispersive propagation and multim...

    Florian Kerber, Helge Sprenger, Marc Niethammer, Kritsakorn Luangvilai and Laurence J. Jacobs

    EURASIP Journal on Advances in Signal Processing 2010 2010:375171

    Published on: 14 June 2010

  6. Research Article

    Appling a Novel Cost Function to Hopfield Neural Network for Defects Boundaries Detection of Wood Image

    A modified Hopfield neural network with a novel cost function was presented for detecting wood defects boundary in the image. Different from traditional methods, the boundary detection problem in this paper wa...

    Dawei Qi, Peng Zhang, Xuefei Zhang, Xuejing Jin and Haijun Wu

    EURASIP Journal on Advances in Signal Processing 2010 2010:427878

    Published on: 10 June 2010

  7. Research Article

    Flexible Riser Monitoring Using Hybrid Magnetic/Optical Strain Gage Techniques through RLS Adaptive Filtering

    Flexible riser is a class of flexible pipes which is used to connect subsea pipelines to floating offshore installations, such as FPSOs (floating production/storage/off-loading unit) and SS (semisubmersible) p...

    Daniel Pipa, Sérgio Morikawa, Gustavo Pires, Claudio Camerini and JoãoMárcio Santos

    EURASIP Journal on Advances in Signal Processing 2010 2010:176203

    Published on: 9 June 2010

  8. Research Article

    Digital Radiography Using Digital Detector Arrays Fulfills Critical Applications for Offshore Pipelines

    Digital radiography in the inspection of welded pipes to be installed under deep water offshore gas and oil pipelines, like a presalt in Brazil, in the paper has been investigated. The aim is to use digital ra...

    EdsonVasques Moreira, JoséMaurício Barbosa Rabello, MarcelodosSantos Pereira, RicardoTadeu Lopes and Uwe Zscherpel

    EURASIP Journal on Advances in Signal Processing 2010 2010:894643

    Published on: 2 June 2010

  9. Research Article

    Automatic Determination of Fiber-Length Distribution in Composite Material Using 3D CT Data

    Determining fiber length distribution in fiber reinforced polymer components is a crucial step in quality assurance, since fiber length has a strong influence on overall strength, stiffness, and stability of t...

    Matthias Teßmann, Stephan Mohr, Svitlana Gayetskyy, Ulf Haßler, Randolf Hanke and Günther Greiner

    EURASIP Journal on Advances in Signal Processing 2010 2010:545030

    Published on: 4 May 2010

  10. Research Article

    Geometrical Feature Extraction from Ultrasonic Time Frequency Responses: An Application to Nondestructive Testing of Materials

    Signal processing is an essential tool in nondestructive material characterization. Pulse-echo inspection with ultrasonic energy provides signals (A-scans) that can be processed in order to obtain parameters w...

    Soledad Gómez, Ramón Miralles (EURASIP Member), Valery Naranjo and Ignacio Bosch

    EURASIP Journal on Advances in Signal Processing 2010 2010:706732

    Published on: 28 April 2010