activity
20222026
most citedTowards Coupling Full-disk and Active Region-based Flare Prediction for Operational Space Weather Forecasting

31 citations · 61 across the 15 of their papers we have counts for

collaborators

15 papers

astro-ph.SR2026

Uncertainty-Aware Solar Flare Regression

Jinsu Hong, Chetraj Pandey, Berkay Aydin

Current solar flare predictions often lack precise quantification of their reliability, resulting in frequent false alarms, particularly when dealing with datasets skewed towards e…

cs.LG2025

Enhancing Explainability in Solar Energetic Particle Event Prediction: A Global Feature Mapping Approach

Anli Ji, Pranjal Patil, Chetraj Pandey +2

Solar energetic particle (SEP) events, as one of the most prominent manifestations of solar activity, can generate severe hazardous radiation when accelerated by solar flares or sh…

cs.CV2025

Ordinal Encoding as a Regularizer in Binary Loss for Solar Flare Prediction

Chetraj Pandey, Jinsu Hong, Anli Ji +2

The prediction of solar flares is typically formulated as a binary classification task, distinguishing events as either Flare (FL) or No-Flare (NF) according to a specified thresho…

astro-ph.SR2025

Surya: Foundation Model for Heliophysics

Sujit Roy, Johannes Schmude, Rohit Lal +30

Heliophysics is central to understanding and forecasting space weather events and solar activity. Despite decades of high-resolution observations from the Solar Dynamics Observator…

astro-ph.SR2025

SuryaBench: Benchmark Dataset for Advancing Machine Learning in Heliophysics and Space Weather Prediction

Sujit Roy, Dinesha V. Hegde, Johannes Schmude +22

This paper introduces a high resolution, machine learning-ready heliophysics dataset derived from NASA's Solar Dynamics Observatory (SDO), specifically designed to advance machine…

cs.LG2024

Large Scale Evaluation of Deep Learning-based Explainable Solar Flare Forecasting Models with Attribution-based Proximity Analysis

Temitope Adeyeha, Chetraj Pandey, Berkay Aydin

Accurate and reliable predictions of solar flares are essential due to their potentially significant impact on Earth and space-based infrastructure. Although deep learning models h…

cs.LG2024

Towards Hybrid Embedded Feature Selection and Classification Approach with Slim-TSF

Anli Ji, Chetraj Pandey, Berkay Aydin

Traditional solar flare forecasting approaches have mostly relied on physics-based or data-driven models using solar magnetograms, treating flare predictions as a point-in-time cla…

cs.CV2024

Embedding Ordinality to Binary Loss Function for Improving Solar Flare Forecasting

Chetraj Pandey, Anli Ji, Jinsu Hong +2

In this paper, we propose a novel loss function aimed at optimizing the binary flare prediction problem by embedding the intrinsic ordinal flare characteristics into the binary cro…

cs.CV2024

Advancing Solar Flare Prediction using Deep Learning with Active Region Patches

Chetraj Pandey, Temitope Adeyeha, Jinsu Hong +2

In this paper, we introduce a novel methodology for leveraging shape-based characteristics of magnetograms of active region (AR) patches and provide a novel capability for predicti…

astro-ph.SR2023

Unveiling the Potential of Deep Learning Models for Solar Flare Prediction in Near-Limb Regions

Chetraj Pandey, Rafal A. Angryk, Berkay Aydin

This study aims to evaluate the performance of deep learning models in predicting M-class solar flares with a prediction window of 24 hours, using hourly sampled full-disk li…

cs.LG2023

Towards Interpretable Solar Flare Prediction with Attention-based Deep Neural Networks

Chetraj Pandey, Anli Ji, Rafal A. Angryk +1

Solar flare prediction is a central problem in space weather forecasting and recent developments in machine learning and deep learning accelerated the adoption of complex models fo…

astro-ph.SR2023

Exploring Deep Learning for Full-disk Solar Flare Prediction with Empirical Insights from Guided Grad-CAM Explanations

Chetraj Pandey, Anli Ji, Trisha Nandakumar +2

This study progresses solar flare prediction research by presenting a full-disk deep-learning model to forecast M-class solar flares and evaluating its efficacy on both centr…

cs.LG2023★ 12 cited

Explainable Deep Learning-based Solar Flare Prediction with post hoc Attention for Operational Forecasting

Chetraj Pandey, Rafal A. Angryk, Manolis K. Georgoulis +1

This paper presents a post hoc analysis of a deep learning-based full-disk solar flare prediction model. We used hourly full-disk line-of-sight magnetogram images and selected bina…

cs.LG2023★ 18 cited

Explaining Full-disk Deep Learning Model for Solar Flare Prediction using Attribution Methods

Chetraj Pandey, Rafal A. Angryk, Berkay Aydin

This paper contributes to the growing body of research on deep learning methods for solar flare prediction, primarily focusing on highly overlooked near-limb flares and utilizing t…

physics.space-ph2022★ 31 cited

Towards Coupling Full-disk and Active Region-based Flare Prediction for Operational Space Weather Forecasting

Chetraj Pandey, Anli Ji, Rafal A. Angryk +2

Solar flare prediction is a central problem in space weather forecasting and has captivated the attention of a wide spectrum of researchers due to recent advances in both remote se…