Impact Acoustic Non-destructive Evaluation in Noisy Environment Based on Wavelet Packet Decomposition

Bing L. Luk; Z. D. Jiang; Louis K. P. Liu; F. Tong

Impact Acoustic Non-destructive Evaluation in Noisy Environment Based on Wavelet Packet Decomposition

Bing L. Luk^*, Z. D. Jiang , Louis K. P. Liu, F. Tong

^*Corresponding author for this work

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

Abstract

Impact acoustic is an effective non-destructive evaluation (NDE) method for many applications especially for inspecting the bonding quality of mosaic tile-walls. However, the audio noise can affect the power spectrum density (PSD) distribution of an acquired signal seriously. So, the traditional method of using PSD as the main identification tool is not sufficient. This paper proposes an evaluation method based on wavelet packet decomposition (WPD). Using WPD, the PSD of the signal is allocated into certain component fields. Investigation on the component PSD indicates it can reveal the bonding quality even in a noisy environment. An artificial neural network (ANN) is chosen as a classifier to simplify the evaluation system and makes it more effective and efficient. The performance of the proposed approach is evaluated experimentally. It is verified that this WPD approach can be applied to impact acoustic method to enhance its evaluation capability in a noisy environment.

Original language	English
Title of host publication	International MultiConference of Engineers and Computer Scientists, IMECS 2008
Editors	S. I. Ao, Oscar Castillo, Craig Douglas, David Dagan Feng, Jeong-A Lee
Publisher	INT ASSOC ENGINEERS-IAENG
Pages	1338-1341
Volume	II
ISBN (Print)	9789889867188, 9789881701213
Publication status	Published - Mar 2008
Event	International MultiConference of Engineers and Computer Scientists 2008 (IMECS 2008) - Regal Kowloon Hotel, Hong Kong, China Duration: 19 Mar 2008 → 21 Mar 2008

Publication series

Name	Lecture Notes in Engineering and Computer Science
Publisher	INT ASSOC ENGINEERS-IAENG

Conference

Conference	International MultiConference of Engineers and Computer Scientists 2008 (IMECS 2008)
Place	Hong Kong, China
Period	19/03/08 → 21/03/08

Research Keywords

impact acoustic
de-noising
wavelet packet
NDE
CONCRETE
SHRINKAGE

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Luk, B. L., Jiang , Z. D., Liu, L. K. P., & Tong, F. (2008). Impact Acoustic Non-destructive Evaluation in Noisy Environment Based on Wavelet Packet Decomposition. In S. I. Ao, O. Castillo, C. Douglas, D. D. Feng, & J.-A. Lee (Eds.), International MultiConference of Engineers and Computer Scientists, IMECS 2008 (Vol. II, pp. 1338-1341). (Lecture Notes in Engineering and Computer Science). INT ASSOC ENGINEERS-IAENG.

Luk, Bing L. ; Jiang , Z. D. ; Liu, Louis K. P. et al. / Impact Acoustic Non-destructive Evaluation in Noisy Environment Based on Wavelet Packet Decomposition. International MultiConference of Engineers and Computer Scientists, IMECS 2008. editor / S. I. Ao ; Oscar Castillo ; Craig Douglas ; David Dagan Feng ; Jeong-A Lee. Vol. II INT ASSOC ENGINEERS-IAENG, 2008. pp. 1338-1341 (Lecture Notes in Engineering and Computer Science).

@inproceedings{34b7989ffbd14c0b8af3c17733aebfe4,

title = "Impact Acoustic Non-destructive Evaluation in Noisy Environment Based on Wavelet Packet Decomposition",

abstract = "Impact acoustic is an effective non-destructive evaluation (NDE) method for many applications especially for inspecting the bonding quality of mosaic tile-walls. However, the audio noise can affect the power spectrum density (PSD) distribution of an acquired signal seriously. So, the traditional method of using PSD as the main identification tool is not sufficient. This paper proposes an evaluation method based on wavelet packet decomposition (WPD). Using WPD, the PSD of the signal is allocated into certain component fields. Investigation on the component PSD indicates it can reveal the bonding quality even in a noisy environment. An artificial neural network (ANN) is chosen as a classifier to simplify the evaluation system and makes it more effective and efficient. The performance of the proposed approach is evaluated experimentally. It is verified that this WPD approach can be applied to impact acoustic method to enhance its evaluation capability in a noisy environment.",

keywords = "impact acoustic, de-noising, wavelet packet, NDE, CONCRETE, SHRINKAGE",

author = "Luk, {Bing L.} and Jiang, {Z. D.} and Liu, {Louis K. P.} and F. Tong",

year = "2008",

month = mar,

language = "English",

isbn = "9789889867188",

volume = "II",

series = "Lecture Notes in Engineering and Computer Science",

publisher = "INT ASSOC ENGINEERS-IAENG",

pages = "1338--1341",

editor = "Ao, {S. I.} and Oscar Castillo and Craig Douglas and Feng, {David Dagan} and Jeong-A Lee",

booktitle = "International MultiConference of Engineers and Computer Scientists, IMECS 2008",

note = "International MultiConference of Engineers and Computer Scientists 2008 (IMECS 2008) ; Conference date: 19-03-2008 Through 21-03-2008",

}

Luk, BL, Jiang , ZD, Liu, LKP & Tong, F 2008, Impact Acoustic Non-destructive Evaluation in Noisy Environment Based on Wavelet Packet Decomposition. in SI Ao, O Castillo, C Douglas, DD Feng & J-A Lee (eds), International MultiConference of Engineers and Computer Scientists, IMECS 2008. vol. II, Lecture Notes in Engineering and Computer Science, INT ASSOC ENGINEERS-IAENG, pp. 1338-1341, International MultiConference of Engineers and Computer Scientists 2008 (IMECS 2008), Hong Kong, China, 19/03/08.

Impact Acoustic Non-destructive Evaluation in Noisy Environment Based on Wavelet Packet Decomposition. / Luk, Bing L.; Jiang , Z. D.; Liu, Louis K. P. et al.
International MultiConference of Engineers and Computer Scientists, IMECS 2008. ed. / S. I. Ao; Oscar Castillo; Craig Douglas; David Dagan Feng; Jeong-A Lee. Vol. II INT ASSOC ENGINEERS-IAENG, 2008. p. 1338-1341 (Lecture Notes in Engineering and Computer Science).

Research output: Chapters, Conference Papers, Creative and Literary Works › RGC 32 - Refereed conference paper (with host publication) › peer-review

TY - GEN

T1 - Impact Acoustic Non-destructive Evaluation in Noisy Environment Based on Wavelet Packet Decomposition

AU - Luk, Bing L.

AU - Jiang , Z. D.

AU - Liu, Louis K. P.

AU - Tong, F.

PY - 2008/3

Y1 - 2008/3

N2 - Impact acoustic is an effective non-destructive evaluation (NDE) method for many applications especially for inspecting the bonding quality of mosaic tile-walls. However, the audio noise can affect the power spectrum density (PSD) distribution of an acquired signal seriously. So, the traditional method of using PSD as the main identification tool is not sufficient. This paper proposes an evaluation method based on wavelet packet decomposition (WPD). Using WPD, the PSD of the signal is allocated into certain component fields. Investigation on the component PSD indicates it can reveal the bonding quality even in a noisy environment. An artificial neural network (ANN) is chosen as a classifier to simplify the evaluation system and makes it more effective and efficient. The performance of the proposed approach is evaluated experimentally. It is verified that this WPD approach can be applied to impact acoustic method to enhance its evaluation capability in a noisy environment.

AB - Impact acoustic is an effective non-destructive evaluation (NDE) method for many applications especially for inspecting the bonding quality of mosaic tile-walls. However, the audio noise can affect the power spectrum density (PSD) distribution of an acquired signal seriously. So, the traditional method of using PSD as the main identification tool is not sufficient. This paper proposes an evaluation method based on wavelet packet decomposition (WPD). Using WPD, the PSD of the signal is allocated into certain component fields. Investigation on the component PSD indicates it can reveal the bonding quality even in a noisy environment. An artificial neural network (ANN) is chosen as a classifier to simplify the evaluation system and makes it more effective and efficient. The performance of the proposed approach is evaluated experimentally. It is verified that this WPD approach can be applied to impact acoustic method to enhance its evaluation capability in a noisy environment.

KW - impact acoustic

KW - de-noising

KW - wavelet packet

KW - NDE

KW - CONCRETE

KW - SHRINKAGE

M3 - RGC 32 - Refereed conference paper (with host publication)

SN - 9789889867188

SN - 9789881701213

VL - II

T3 - Lecture Notes in Engineering and Computer Science

SP - 1338

EP - 1341

BT - International MultiConference of Engineers and Computer Scientists, IMECS 2008

A2 - Ao, S. I.

A2 - Castillo, Oscar

A2 - Douglas, Craig

A2 - Feng, David Dagan

A2 - Lee, Jeong-A

PB - INT ASSOC ENGINEERS-IAENG

T2 - International MultiConference of Engineers and Computer Scientists 2008 (IMECS 2008)

Y2 - 19 March 2008 through 21 March 2008

ER -

Luk BL, Jiang ZD, Liu LKP, Tong F. Impact Acoustic Non-destructive Evaluation in Noisy Environment Based on Wavelet Packet Decomposition. In Ao SI, Castillo O, Douglas C, Feng DD, Lee JA, editors, International MultiConference of Engineers and Computer Scientists, IMECS 2008. Vol. II. INT ASSOC ENGINEERS-IAENG. 2008. p. 1338-1341. (Lecture Notes in Engineering and Computer Science).

Impact Acoustic Non-destructive Evaluation in Noisy Environment Based on Wavelet Packet Decomposition

Abstract

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Research Keywords

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