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Guided wave imaging techniques employed for structural health monitoring (SHM) can be computationally demanding, especially for adaptive techniques such as minimum variance distortionless response (MVDR) imaging, which requires a matrix inversion for each pixel calculation. Instantaneous windowing has been shown in previous work to improve guided wave imaging performance. The use of instantaneous...
Three algorithms for extracting vascular architecture in contrast-enhanced subharmonic imaging (SHI) were compared. Skeletonization of binary images was achieved by applying either sequential or parallel thinning or a non-iterative method using the distance transformation. The 2 iterative algorithms conditionally erode the vessel using local neighborhood patterns as sufficient condition, while the...
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