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Journal of Computer Science
Year: 2010  |  Volume: 6  |  Issue: 4  |  Page No.: 428 - 438

Integrity Classification Algorithm of Images obtained from Impact Damaged Composite Structures

Mahmoud Z. Iskandarani    

Abstract: Problem statement: Many NDT systems used for damage detection in composites are difficult to apply to complex geometric structures, also, they are time-consuming. As a solution to the problems associated with NDT applications, an intelligent analysis system that supports a portable testing environment, which allowed various types of inputs and provided sufficient data regarding level of damage in a tested structure was designed and tested. The developed technique was a novel approach that allowed locating defects with good accuracy. Approach: This research presented a novel approach to fast NDT using intelligent image analysis through a specifically developed algorithm that checks the integrity of composite structures. Such a novel approach allowed not only to determine the level of damage, but also, to correlate damage detected by one imaging technique using available instruments and methods to results that would be obtained using other instruments and techniques. Results: Using the developed ICA algorithm, accurate classification was achieved using C-Scan and Low Temperature Thermal imaging (LTT). Both techniques agreed on damage classification and structural integrity. Conclusion: This very successful approach to damage detection and classification is further supported by its ability to correlate different NDT technologies and predict others.

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