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The paper presents a reliable method using deep learning to recognize solar filaments in H-alpha full-disk solar images automatically. This method cannot only identify filaments accurately but also minimize the effects of noise points of…

天体物理仪器与方法 · 物理学 2019-09-17 GaoFei Zhu , GangHua Lin , DongGuang Wang , Suo Liu , Xiao Yang

Filaments are omnipresent features in the solar atmosphere. Their location, properties and time evolution can provide information about changes in solar activity and assist the operational space weather forecast. Therefore, filaments have…

Studies on the dynamics of solar filaments have significant implications for understanding their formation, evolution, and eruption, which are of great importance for space weather warning and forecasting. The H$\alpha$ Imaging Spectrograph…

太阳与恒星天体物理 · 物理学 2024-02-23 Z. Zheng , Q. Hao , Y. Qiu , J. Hong , C. Li , M. D. Ding

A new algorithm is developed that automatically detects filaments on the solar disc in H-alpha images. Preprocessing of H-alpha images include corrections for limb darkening and foreshortening. Further, by applying suitable intensity and…

太阳与恒星天体物理 · 物理学 2011-02-01 Anand D. Joshi , Nandita Srivastava , Shibu K. Mathew

Accurate segmentation of solar filaments in H-alpha observations is critical for determining filament chirality, a key factor in the behavior of Coronal Mass Ejections (CMEs). However, existing methods often fail to capture fine-scale…

计算机视觉与模式识别 · 计算机科学 2025-09-05 Victor Solomon , Piet Martens , Jingyu Liu , Rafal Angryk

Manual inspections for solar panel systems are a tedious, costly, and error-prone task, making it desirable for Unmanned Aerial Vehicle (UAV) based monitoring. Though deep learning models have excellent fault detection capabilities, almost…

计算机视觉与模式识别 · 计算机科学 2026-01-07 Md. Asif Hossain , G M Mota-Tahrin Tayef , Nabil Subhan

With the rapid development of telescopes, both temporal cadence and the spatial resolution of observations are increasing. This in turn generates vast amount of data, which can be efficiently searched only with automated detections in order…

太阳与恒星天体物理 · 物理学 2019-01-30 Q. Hao , P. F. Chen , C. Fang

Filaments are very common physical phenomena on the Sun and are often taken as important proxies of solar magnetic activities. The study of filaments has become a hot topic in the space weather research. For a more comprehensive…

The precise segmentation of retinal blood vessels is of great significance for early diagnosis of eye-related diseases such as diabetes and hypertension. In this work, we propose a lightweight network named Spatial Attention U-Net (SA-UNet)…

图像与视频处理 · 电气工程与系统科学 2020-10-22 Changlu Guo , Márton Szemenyei , Yugen Yi , Wenle Wang , Buer Chen , Changqi Fan

The volume of data being collected in solar physics has exponentially increased over the past decade and with the introduction of the $\textit{Daniel K. Inouye Solar Telescope}$ (DKIST) we will be entering the age of petabyte solar data.…

太阳与恒星天体物理 · 物理学 2019-07-10 John A. Armstrong , Lyndsay Fletcher

We use a well-known deep neural network framework, called Mask R-CNN, for identification of solar filaments in full-disk H-alpha images from Big Bear Solar Observatory (BBSO). The image data, collected from BBSO's archive, are integrated…

太阳与恒星天体物理 · 物理学 2019-12-06 Azim Ahmadzadeh , Sushant S. Mahajan , Dustin J. Kempton , Rafal A. Angryk , Shihao Ji

We describe a new neural-network technique developed for an automated recognition of solar filaments visible in the hydrogen H-alpha line full disk spectroheliograms. This technique allows neural networks learn from a few image fragments…

神经与进化计算 · 计算机科学 2007-05-23 V. V. Zharkova , V. Schetinin

Salient object detection (SOD) remains an important task in computer vision, with applications ranging from image segmentation to autonomous driving. Fully convolutional network (FCN)-based methods have made remarkable progress in visual…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Kassaw Abraham Mulat , Zhengyong Feng , Tegegne Solomon Eshetie , Ahmed Endris Hasen

Accurate segmentation of the liver is a prerequisite for the diagnosis of disease. Automated segmentation is an important application of computer-aided detection and diagnosis of liver disease. In recent years, automated processing of…

图像与视频处理 · 电气工程与系统科学 2022-06-29 Zhiqi Lee , Sumin Qi , Chongchong Fan , Ziwei Xie

Saliency computation models aim to imitate the attention mechanism in the human visual system. The application of deep neural networks for saliency prediction has led to a drastic improvement over the last few years. However, deep models…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Saman Zabihi , Hamed Rezazadegan Tavakoli , Ali Borji

Interpreting seismic horizons is a critical task for characterizing subsurface structures in hydrocarbon exploration. Recent advances in deep learning, particularly U-Net-based architectures, have significantly improved automated horizon…

Edge detection is crucial in medical image processing, enabling precise extraction of structural information to support lesion identification and image analysis. Traditional edge detection models typically rely on complex Convolutional…

计算机视觉与模式识别 · 计算机科学 2024-08-09 Fuzhang Li , Chuan Lin

We developed a method to automatically detect and trace solar filaments in H\alpha\ full-disk images. The program is able not only to recognize filaments and determine their properties, such as the position, the area, the spine, and other…

太阳与恒星天体物理 · 物理学 2015-06-15 Qi Hao , Cheng Fang , P. F. Chen

In the current salient object detection network, the most popular method is using U-shape structure. However, the massive number of parameters leads to more consumption of computing and storage resources which are not feasible to deploy on…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Bin Zhang , Yang Wu , Xiaojing Zhang , Ming Ma

In this study, we classify the magnetic chirality of solar filaments from H-Alpha observations using state-of-the-art image classification models. We establish the first reproducible baseline for solar filament chirality classification on…

太阳与恒星天体物理 · 物理学 2025-09-24 Alexis Chalmers , Azim Ahmadzadeh
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