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espiownage: Tracking Transients in Steelpan Drum Strikes Using Surveillance Technology

2021-10-23 17:10:54
Scott H. Hawley, Andrew C. Morrison, Grant S. Morgan
arXiv_CV
             
Abstract

We present an improvement in the ability to meaningfully track features in high speed videos of Caribbean steelpan drums illuminated by Electronic Speckle Pattern Interferometry (ESPI). This is achieved through the use of up-to-date computer vision libraries for object detection and image segmentation as well as a significant effort toward cleaning the dataset previously used to train systems for this application. Besides improvements on previous metric scores by 10% or more, noteworthy in this project are the introduction of a segmentation-regression map for the entire drum surface yielding interference fringe counts comparable to those obtained via object detection, as well as the accelerated workflow for coordinating the data-cleaning-and-model-training feedback loop for rapid iteration allowing this project to be conducted on a timescale of only 18 days.

Abstract (translated)

URL

https://arxiv.org/abs/2110.12261

PDF

https://arxiv.org/pdf/2110.12261.pdf

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