Sunspot detection using YOLOv5 in spectroheliograph H-alpha images

J Santos, N Peixinho, T Barata, C Pereira… - Applied Sciences, 2023 - mdpi.com
Solar activity has been subject to increasingly more research in the last decades. Its
influence on life on Earth is now better understood. Solar winds impact the earth's magnetic …

SIPNet & SAHI: Multiscale Sunspot Extraction for High-Resolution Full Solar Images

D Fan, Y Yang, S Feng, W Dai, B Liang, J Xiong - Applied Sciences, 2023 - mdpi.com
Photospheric magnetic fields are manifested as sunspots, which cover various sizes over
high-resolution, full-disk, solar continuum images. This paper proposes a novel deep …

Automatic detection of sunspots from solar images using fractional-order derivatives and extraction of their attributes

V Madhan, MS Sudhakar - Advances in Space Research, 2023 - Elsevier
A huge collection of solar images to visualize sunspot are acquired by various solar
observatories spread across the globe. This necessitates efficient tools for detecting and …

A Reliable Jumping-based Classification Methodology For Environment Sector

S Etemadi, M Khashei, AZ Hamadani, A Kerdegari - Heliyon, 2024 - cell.com
Decision-makers have consistently developed a range of classification models, each
possessing unique features within the domain of intelligent models. These endeavors are all …

Sunspots Identification Through Mathematical Morphology: The Method

S Bourgeois, T Barata, R Erdélyi, R Gafeira, O Oliveira - Solar Physics, 2024 - Springer
The implementation of automated methods for sunspot detection is essential to obtain better
objectivity, efficiency, and accuracy in identifying sunspots and analysing their …

Towards the identification and classification of solar granulation structures using semantic segmentation

SM Díaz Castillo, A Asensio Ramos… - Frontiers in Astronomy …, 2022 - frontiersin.org
Solar granulation is the visible signature of convective cells at the solar surface. The
granulation cellular pattern observed in the continuum intensity images is characterised by …

Sunspot Group Detection and Classification by Dual Stream Convolutional Neural Network Method

NM Mkwanda, W Tian, J Li - Research in Astronomy and …, 2024 - iopscience.iop.org
The automatic detection and analysis of sunspots play a crucial role in understanding solar
dynamics and predicting space weather events. This paper proposes a novel method for …

[PDF][PDF] SUNSPOT DETECTION USING DEEP LEARNING TECHNIQUES

P Swanepoel, GR Drevin, RDT Strauss, PJ Steyn - 2022 - computing-conf.org
Accurate and automated monitoring of space weather has become increasingly important in
our modern-day world, due to the reliance on critical infrastructure such as wireless …

Enhancing Maize Crop Health: Deep Learning Approach for Disease Detection and Classification Using Leaf Images

R Nyange, MG Chipofya, S Goel, SB Ashoka… - … Conference on Artificial …, 2024 - Springer
The agriculture sector in sub-Saharan Africa faces significant challenges in growing vital
food security crops like maize due to crop diseases. In response, we introduce a robust deep …

Investigating solar cycles using mathematical morphology

CD Grangeiro, TSS Duarte, JS da Costa, HR Coelho… - 2024 - researchsquare.com
In this study, we report on the processing and analysis of around 9700 images of the solar
disk, obtained from the SOHO and SDO satellites, available in the Helioviewer database …