Search Results for author: Ayana Ghosh

Found 9 papers, 2 papers with code

Active Causal Learning for Decoding Chemical Complexities with Targeted Interventions

no code implementations5 Apr 2024 Zachary R. Fox, Ayana Ghosh

While our implementation focused on the QM9 quantum-chemical dataset for a specific design task-finding molecules with a large dipole moment-our active causal learning approach, driven by intelligent sampling and interventions, holds potential for broader applications in molecular, materials design and discovery.

Active Learning molecular representation

Active Deep Kernel Learning of Molecular Functionalities: Realizing Dynamic Structural Embeddings

no code implementations2 Mar 2024 Ayana Ghosh, Maxim Ziatdinov and, Sergei V. Kalinin

Exploring molecular spaces is crucial for advancing our understanding of chemical properties and reactions, leading to groundbreaking innovations in materials science, medicine, and energy.

Active Learning

Discovery of structure-property relations for molecules via hypothesis-driven active learning over the chemical space

no code implementations6 Jan 2023 Ayana Ghosh, Sergei V. Kalinin, Maxim A. Ziatdinov

Discovery of the molecular candidates for applications in drug targets, biomolecular systems, catalysts, photovoltaics, organic electronics, and batteries, necessitates development of machine learning algorithms capable of rapid exploration of the chemical spaces targeting the desired functionalities.

Active Learning Symbolic Regression

Microscopy is All You Need

no code implementations12 Oct 2022 Sergei V. Kalinin, Rama Vasudevan, Yongtao Liu, Ayana Ghosh, Kevin Roccapriore, Maxim Ziatdinov

We pose that microscopy offers an ideal real-world experimental environment for the development and deployment of active Bayesian and reinforcement learning methods.

Edge-computing

AtomAI: A Deep Learning Framework for Analysis of Image and Spectroscopy Data in (Scanning) Transmission Electron Microscopy and Beyond

1 code implementation16 May 2021 Maxim Ziatdinov, Ayana Ghosh, Tommy Wong, Sergei V. Kalinin

AtomAI is an open-source software package bridging instrument-specific Python libraries, deep learning, and simulation tools into a single ecosystem.

Disentanglement Ensemble Learning +5

Automated and Autonomous Experiment in Electron and Scanning Probe Microscopy

no code implementations22 Mar 2021 Sergei V. Kalinin, Maxim A. Ziatdinov, Jacob Hinkle, Stephen Jesse, Ayana Ghosh, Kyle P. Kelley, Andrew R. Lupini, Bobby G. Sumpter, Rama K. Vasudevan

Machine learning and artificial intelligence (ML/AI) are rapidly becoming an indispensable part of physics research, with domain applications ranging from theory and materials prediction to high-throughput data analysis.

Autonomous Driving Decision Making +1

Ensemble learning and iterative training (ELIT) machine learning: applications towards uncertainty quantification and automated experiment in atom-resolved microscopy

no code implementations21 Jan 2021 Ayana Ghosh, Bobby G. Sumpter, Ondrej Dyck, Sergei V. Kalinin, Maxim Ziatdinov

Deep learning has emerged as a technique of choice for rapid feature extraction across imaging disciplines, allowing rapid conversion of the data streams to spatial or spatiotemporal arrays of features of interest.

Ensemble Learning Transfer Learning +1

Unsupervised Machine Learning Discovery of Chemical and Physical Transformation Pathways from Imaging Data

1 code implementation19 Oct 2020 Sergei V. Kalinin, Ondrej Dyck, Ayana Ghosh, Bobby G. Sumpter, Maxim Ziatdinov

We show that unsupervised machine learning can be used to learn physical and chemical transformation pathways from the observational microscopic data, as demonstrated for atomically resolved images in Scanning Transmission Electron Microscopy (STEM) and ferroelectric domain structures in Piezoresponse Force Microscopy (PFM).

Semantic Segmentation Materials Science

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