43-Issue 8

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Reconstruction of Implicit Surfaces from Fluid Particles Using Convolutional Neural Networks
(The Eurographics Association and John Wiley & Sons Ltd., 2024) Zhao, Chen; Shinar, Tamar; Schroeder, Craig; Skouras, Melina; Wang, He
In this paper, we present a novel network-based approach for reconstructing signed distance functions from fluid particles. The method uses a weighting kernel to transfer particles to a regular grid, which forms the input to a convolutional neural network. We propose a regression-based regularization to reduce surface noise without penalizing high-curvature features. The reconstruction exhibits improved spatial surface smoothness and temporal coherence compared with existing state of the art surface reconstruction methods. The method is insensitive to particle sampling density and robustly handles thin features, isolated particles, and sharp edges.