2019 IEEE International Ultrasonics Symposium (IUS) 2019
DOI: 10.1109/ultsym.2019.8926040
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Total Focusing Method with Subsampling in Space and Frequency Domain for Ultrasound NDT

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Cited by 7 publications
(19 citation statements)
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“…In particular, each active transmitter is only required to have the same number of associated receivers, while each transmitter-receiver pair must have the same number of frequency samples; however, the actual elements and frequency samples can be chosen freely. Since the presented novel approaches generalize the previous work [13], they entail a higher computational complexity. Therefore, this work also adapts the compression matrix design approach from [23] into a two stage greedy algorithm.…”
Section: Introductionmentioning
confidence: 79%
See 3 more Smart Citations
“…In particular, each active transmitter is only required to have the same number of associated receivers, while each transmitter-receiver pair must have the same number of frequency samples; however, the actual elements and frequency samples can be chosen freely. Since the presented novel approaches generalize the previous work [13], they entail a higher computational complexity. Therefore, this work also adapts the compression matrix design approach from [23] into a two stage greedy algorithm.…”
Section: Introductionmentioning
confidence: 79%
“…Additionally, the same set of Rx elements is active during each measurement cycle. An FMC data set subsampled in this fashion is given by [13,23]…”
Section: Subsampled Datamentioning
confidence: 99%
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“…The reconstruction of this data with the total focusing method (TFM) is shown in the middle plot of Figure 4. We then applied compression of the data in time domain (factor 7.4) as well as the spatial domain (factor 12.8) leading to a total compression factor of 94.8 (see [43,44] for details). The parametric reconstruction of the compressed data using the Fast Iterative Shrinkage and Thresholding Algorithm (FISTA) is shown on the righthand side of Figure 4.…”
Section: From Big Data To Relevant Data: the Power Of Sparse Signal Pmentioning
confidence: 99%