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Title

Comparison of the Laplacian Pyramid and Contourlet transform in damage detection

Year: 1400
COI: CAUICNF05_007
Language: EnglishView: 414
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Authors

Sepideh Vafaie - Faculty of Civil and Surveying Engineering, Graduate University of Advanced Technology, Kerman
Eysa Salajegheh - Department of Civil Engineering, Shahid Bahonar University of Kerman, Kerman, Iran

Abstract:

This study compares the new method based on contourlet transform and Laplacian Pyramid to detect damage types in the plate structures. Contourlet is a two-dimensional development of wavelet transform that overcome the deficiency of traditional methods such as wavelet transform. Based on the previous studies, wavelets have inferior performance to identify the defects which have details in multiple directions such as curves. Hence, in this study, the contourlet transform is introduced as a stronger representation. Also, the performance of the Laplacian pyramid as a new approach is compared to the contourlet transform to investigate its capability to identify defects to find a better alternative for traditional methods. Accordingly, these transforms' ability to demonstrate all kinds of damages are displayed with a four fixed plate with various damages. The results show contourlet transform is an excellent and efficient method to identify all types of damages. Furthermore, the performance and correctness of the transforms have been verified via the experiment.

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Paper COI Code

This Paper COI Code is CAUICNF05_007. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1235436/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Vafaie, Sepideh and Salajegheh, Eysa,1400,Comparison of the Laplacian Pyramid and Contourlet transform in damage detection,Fifth International Conference on Civil, Structural and Earthquake Engineering,Tehran,https://civilica.com/doc/1235436

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Type of center: دانشگاه دولتی
Paper count: 2,714
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