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Table 1 Calculated crack depths and heights and relative errors by Sparse-SAFT

From: Resolution Enhancement in Ultrasonic TOFD Imaging by Combining Sparse Deconvolution and Synthetic Aperture Focusing Technique (Sparse-SAFT)

Defect number d (mm) Error (%) h (mm) Error (%)
#1 3.28 9.3 3.24 8.0
#2 3.79 8.3 3.09 3.0
#3 4.24 6.0 2.98 0.7