no code implementations • 14 Dec 2023 • Agnese Marcato, Daniel O'Malley, Hari Viswanathan, Eric Guiltinan, Javier E. Santos
Recreating complex, high-dimensional global fields from limited data points is a grand challenge across various scientific and industrial domains.
no code implementations • 29 Nov 2023 • Javier E. Santos, Yen Ting Lin
The aim of this short note is to show that Denoising Diffusion Probabilistic Model DDPM, a non-homogeneous discrete-time Markov process, can be represented by a time-homogeneous continuous-time Markov process observed at non-uniformly sampled discrete times.
no code implementations • 9 Dec 2022 • Lei Liu, Javier E. Santos, Maša Prodanović, Michael J. Pyrcz
However, there is a paucity of demonstrated best practice and general guidance on mitigation of spatial nonstationarity with deep learning in the geospatial context.
no code implementations • 20 Sep 2022 • Satish Karra, Mohamed Mehana, Nicholas Lubbers, Yu Chen, Abdourahmane Diaw, Javier E. Santos, Aleksandra Pachalieva, Robert S. Pavel, Jeffrey R. Haack, Michael McKerns, Christoph Junghans, Qinjun Kang, Daniel Livescu, Timothy C. Germann, Hari S. Viswanathan
Throughout computational science, there is a growing need to utilize the continual improvements in raw computational horsepower to achieve greater physical fidelity through scale-bridging over brute-force increases in the number of mesh elements.
1 code implementation • 5 Feb 2021 • Abhishek Bihani, Hugh Daigle, Javier E. Santos, Christopher Landry, Masa Prodanovic, Kitty Milliken
Segmentation and analysis of individual pores and grains of mudrocks from scanning electron microscope images is non-trivial because of noise, imaging artifacts, variation in pixel grayscale values across images, and overlaps in grayscale values among different physical features such as silt grains, clay grains, and pores in an image, which make their identification difficult.
no code implementations • 6 May 2020 • Javier E. Santos, Mohammed Mehana, Hao Wu, Masa Prodanovic, Michael J. Pyrcz, Qinjun Kang, Nicholas Lubbers, Hari Viswanathan
At this scale, the fluid properties are affected by nanoconfinement effects due to the increased fluid-solid interactions.