no code implementations • 11 Jan 2024 • Qian Gong, Jieyang Chen, Ben Whitney, Xin Liang, Viktor Reshniak, Tania Banerjee, Jaemoon Lee, Anand Rangarajan, Lipeng Wan, Nicolas Vidal, Qing Liu, Ana Gainaru, Norbert Podhorszki, Richard Archibald, Sanjay Ranka, Scott Klasky
We describe MGARD, a software providing MultiGrid Adaptive Reduction for floating-point scientific data on structured and unstructured grids.
no code implementations • 6 Jan 2024 • Qian Gong, Chengzhu Zhang, Xin Liang, Viktor Reshniak, Jieyang Chen, Anand Rangarajan, Sanjay Ranka, Nicolas Vidal, Lipeng Wan, Paul Ullrich, Norbert Podhorszki, Robert Jacob, Scott Klasky
Additionally, we integrate spatiotemporal feature detection with data compression and demonstrate that performing adaptive error-bounded compression in higher dimensional space enables greater compression ratios, leveraging the error propagation theory of a transformation-based compressor.
no code implementations • 13 Oct 2022 • Viktor Reshniak
We parameterize such a dynamical system with a residual neural network and propose a spectral localization technique to ensure it is locally attractive in the vicinity of data.
1 code implementation • 26 Oct 2021 • Massimiliano Lupo Pasini, Junqi Yin, Viktor Reshniak, Miroslav Stoyanov
Anderson acceleration (AA) is an extrapolation technique designed to speed-up fixed-point iterations like those arising from the iterative training of DL models.
1 code implementation • 20 Sep 2019 • Viktor Reshniak, Jeremy Trageser, Clayton G. Webster
We present a nonlocal variational image completion technique which admits simultaneous inpainting of multiple structures and textures in a unified framework.
1 code implementation • 24 May 2019 • Viktor Reshniak, Clayton Webster
In this effort, we propose a new deep architecture utilizing residual blocks inspired by implicit discretization schemes.
1 code implementation • 18 Dec 2018 • Viktor Reshniak, Yuri Melnikov
Problems with topological uncertainties appear in many fields ranging from nano-device engineering to the design of bridges.
Numerical Analysis Numerical Analysis Probability 65N38, 65N80, 65N85, 65C05