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Rapid Spatio-Temporal Flood Modeling: Hydraulic GNN Approach

Date
, 11am - 12pm
Category

Abstract: Numerical modelling is a reliable tool for flood simulations, but accurate solutions are computationally expensive. In the recent years, researchers have explored data-driven methodologies based on neural networks to overcome this limitation. However, most models are used only for a specific case study and disregard the dynamic evolution of the flood wave. This limits...

Forecasting Global Weather with Graph Neural Networks

Date
, 3 - 4pm
Category

Abstract: Deep learning offers innovative approaches to modeling complex physical dynamics. This talk will focus on the application of a specific deep learning approach, graph neural networks, to the problem of forecasting global weather. A data-driven model was trained to step forward the current 3D atmospheric state by six hours, and multiple steps are chained...

Could deep learning methods replace numerical weather models?

Date
, 3 - 4pm
Category

Over the last year, there has been a rise in deep learning methods being used to produce highly accurate weather predictions. These methods include deep learning techniques such as Transformers and Graph Neural Networks amongst others, and have been applied by some of the world's leading tech companies. Some works have made claims that these...

Feature-Preserving Point Cloud Simplification with Gaussian Processes

Date
, 2 - 3pm
Category

The processing, storage and transmission of large-scale point clouds is an ongoing challenge in the computer vision community which hinders progress in the application of 3D models to real-world settings, such as autonomous driving, virtual reality and remote sensing. We propose a novel, one-shot point cloud simplification method which preserves both the salient structural features...

Weights and Biases Workshop - Machine Learning

Date
, 3 - 4:30pm
Category

The Weights and Biases workshop is a hands-on event designed for researchers seeking to stay up-to-date with the latest developments in machine learning. The workshop will be led by an experienced ML engineer who will guide participants through practical applications of Weights and Biases in their ML projects. Attendees will have the opportunity to learn...

ClimaX: A foundation model for weather and climate

Date
, 3-4pm
Category

Speaker – Tung Nguyen, PhD student, UCL REGISTER NOW Recent data-driven approaches based on machine learning aim to directly solve a downstream forecasting or projection task by learning a data-driven functional mapping using deep neural networks. However, these networks are trained using curated and homogeneous climate datasets for specific spatiotemporal tasks, and thus lack the...

Sea ice detection from concurrent visible and SAR imagery using a convolutional neural network

Date
, 11am - 12noon
Category

Speaker – Martin Rodgers, Machine Learning Researcher, British Antarctic Survey’s AI lab REGISTER NOW Abstract: Accurate measurements of Antarctic sea ice extent are important for safe navigation of polar ships, understanding ecosystem dynamics and identifying sea ice response to changing temperature and weather patterns. Sea ice has primarily been detected using passive microwave satellite data;...

Hands-On SciML: PINNs

Date
, 2pm - 4pm
Category

Friday 17th February 2023 2-4pm In person only event Room 11.87, Leeds Institute for Data Analytics (LIDA), Level 11, Worsley Building Speaker: Fergus Shone, PhD Researcher, University of Leeds Do you have sparse, low-quality data, but a good understanding of the physical system you are modelling? Then physics-informed neural networks (PINNs) might be the machine learning...

Machine Learning for Trustworthy Climate Emulators

Date
, 8am - 5pm
Category

Friday 10th February 2023 2-3pm Hybrid / Room 11.87 Speaker: Björn Lütjens, PhD candidate (MIT) REGISTER NOW Decision-makers in industry are grappling with climate change and ask for local climate risk analyses. Local analyses, however, are largely inaccessible, because running Earth system models at the local scale suffers from the curse of dimensionality and climate datasets...