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We study the feasibility of data based machine learning applied to ultrasound tomography to estimate water-saturated porous material parameters. In this work, the data to train the neural networks is simulated by solving wave propagation in…

Computational Physics · Physics 2018-02-27 Timo Lähivaara , Leo Kärkkäinen , Janne M. J. Huttunen , Jan S. Hesthaven

We present a novel machine learning based surrogate modeling method for predicting spatially resolved 3D microstructure evolution of polycrystalline materials under uniaxial tensile loading. Our approach is orders of magnitude faster than…

Materials Science · Physics 2020-05-05 Anup Pandey , Reeju Pokharel

Surgical video understanding is crucial for facilitating Computer-Assisted Surgery (CAS) systems. Despite significant progress in existing studies, two major limitations persist, including inadequate visual content perception and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Zhen Chen , Xingjian Luo , Kun Yuan , Jinlin Wu , Danny T. M. Chan , Nassir Navab , Hongbin Liu , Zhen Lei , Jiebo Luo

High-Resolution Multi-scale Modeling Frameworks (HR) -- global climate models that embed separate, convection-resolving models with high enough resolution to resolve boundary layer eddies -- have exciting potential for investigating low…

For a number of years since its introduction to hydrology, recurrent neural networks like long short-term memory (LSTM) have proven remarkably difficult to surpass in terms of daily hydrograph metrics on known, comparable benchmarks.…

Machine Learning · Computer Science 2023-06-22 Jiangtao Liu , Yuchen Bian , Chaopeng Shen

The representations of atmospheric moist convection in general circulation models have been one of the most challenging tasks due to its complexity in physical processes, and the interaction between processes under different time/spatial…

Atmospheric and Oceanic Physics · Physics 2019-05-24 Shih-Wen Tsou , Chun-Yian Su , Chien-Ming Wu

Recently, spatiotemporal graphs have emerged as a concise and elegant manner of representing video clips in an object-centric fashion, and have shown to be useful for downstream tasks such as action recognition. In this work, we investigate…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Aditya Murali , Deepak Alapatt , Pietro Mascagni , Armine Vardazaryan , Alain Garcia , Nariaki Okamoto , Didier Mutter , Nicolas Padoy

Over the last few decades, modern industrial processes have investigated several cost-effective methodologies to improve the productivity and yield of semiconductor manufacturing. While playing an essential role in facilitating real-time…

Machine Learning · Computer Science 2021-11-16 Jaswanth Yella , Chao Zhang , Sergei Petrov , Yu Huang , Xiaoye Qian , Ali A. Minai , Sthitie Bom

We present a multi-scale predictive coding model for future video frames prediction. Drawing inspiration on the ``Predictive Coding" theories in cognitive science, it is updated by a combination of bottom-up and top-down information flows,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Chaofan Ling , Junpei Zhong , Weihua Li

Surrogate modeling is a viable solution for applications involving repetitive evaluations of expensive computational fluid dynamics models, such as uncertainty quantification and inverse problems. This study proposes a multi-layer…

Fluid Dynamics · Physics 2024-06-24 Gurpreet S. Hora , Marco G. Giometto

Providing force feedback as relevant information in current Robot-Assisted Minimally Invasive Surgery systems constitutes a technological challenge due to the constraints imposed by the surgical environment. In this context, Sensorless…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 Arturo Marban , Vignesh Srinivasan , Wojciech Samek , Josep Fernández , Alicia Casals

Numerical weather forecasting using high-resolution physical models often requires extensive computational resources on supercomputers, which diminishes their wide usage in most real-life applications. As a remedy, applying deep learning…

Machine Learning · Computer Science 2023-10-06 Selim Furkan Tekin , Arda Fazla , Suleyman Serdar Kozat

In neural video codecs, current state-of-the-art methods typically adopt multi-scale motion compensation to handle diverse motions. These methods estimate and compress either optical flow or deformable offsets to reduce inter-frame…

Multimedia · Computer Science 2024-12-03 Yongqi Zhai , Jiayu Yang , Wei Jiang , Chunhui Yang , Luyang Tang , Ronggang Wang

Performing simulations with a realistic biophysical auditory nerve fiber model can be very time consuming, due to the complex nature of the calculations involved. Here, a surrogate (approximate) model of such an auditory nerve fiber model…

Neurons and Cognition · Quantitative Biology 2022-11-15 Jacob de Nobel , Anna V. Kononova , Jeroen Briaire , Johan Frijns , Thomas Bäck

Spatial prediction of reservoir parameters, especially permeability, is crucial for oil and gas exploration and development. However, the wide range and high variability of permeability prevent existing methods from providing reliable…

Artificial Intelligence · Computer Science 2026-01-09 Muzhen Zhang , Yujie Cheng , Zhanxiang Lei

Recently, air pollution is one of the most concerns for big cities. Predicting air quality for any regions and at any time is a critical requirement of urban citizens. However, air pollution prediction for the whole city is a challenging…

Machine Learning · Computer Science 2019-12-02 Van-Duc Le , Tien-Cuong Bui , Sang Kyun Cha

Neural video codecs have demonstrated great potential in video transmission and storage applications. Existing neural hybrid video coding approaches rely on optical flow or Gaussian-scale flow for prediction, which cannot support…

Image and Video Processing · Electrical Eng. & Systems 2023-07-19 Zongyu Guo , Runsen Feng , Zhizheng Zhang , Xin Jin , Zhibo Chen

Long short-term memory (LSTM) models are a particular type of recurrent neural networks (RNNs) that are central to sequential modeling tasks in domains such as urban telecommunication forecasting, where temporal correlations and nonlinear…

Surrogate models are often used to replace costly-to-evaluate complex coastal codes to achieve substantial computational savings. In many of those models, the hydrometeorological forcing conditions (inputs) or flood events (outputs) are…

Machine Learning · Statistics 2021-11-04 A. F. López-Lopera , D. Idier , J. Rohmer , F. Bachoc

Optical imaging systems are inherently limited in their resolution due to the point spread function (PSF), which applies a static, yet spatially-varying, convolution to the image. This degradation can be addressed via Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2024-01-10 Sunny Howard , Peter Norreys , Andreas Döpp