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Article overview
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Spot the Difference: Accuracy of Numerical Simulations via the Human Visual System | | Kiwon Um
; Xiangyu Hu
; Bing Wang
; Nils Thuerey
; | | Date: |
8 Jul 2019 | | Abstract: | Comparative evaluation lies at the heart of science, and determining the
accuracy of a computational method is crucial for evaluating its potential as
well as for guiding future efforts. However, metrics that are typically used
have inherent shortcomings when faced with the under-resolved solutions of
real-world simulation problems. We show how to leverage crowd-sourced user
studies in order to address the fundamental problems of widely used classical
evaluation metrics. We demonstrate that such user studies, which inherently
rely on the human visual system, yield a very robust metric and consistent
answers for complex phenomena without any requirements for proficiency
regarding the physics at hand. This holds even for cases away from convergence
where traditional metrics often end up inconclusive results. More specifically,
we evaluate results of different essentially non-oscillatory (ENO) schemes in
different fluid flow settings. Our methodology represents a novel and practical
approach for scientific evaluations that can give answers for previously
unsolved problems. | | Source: | arXiv, 1907.4179 | | Services: | Forum | Review | PDF | Favorites | |
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