Structural Coupled Imaging of Multi-Physical Data Using Damped Least Squares Technique

Jun Jie Zhou; Xiao Hong Meng; Li Ren; Jun Wang; Sheng Zhang

doi:10.4028/www.scientific.net/AMM.644-650.1535

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 644-650Structural Coupled Imaging of Multi-Physical Data...

Structural Coupled Imaging of Multi-Physical Data Using Damped Least Squares Technique

Abstract:

To improve the algorithm of the structural coupled imaging technique, a method using damped least squares is adopted to calculate the structural component of model updates instead of the truncated SVD solution, which produces multi-physical structural coupling images with high efficiency. A synthetic model test shows better performance and the cross plots reveal a convergence characteristic, which indicates the potential of improved structural coupled imaging algorithm.