Improving level set method for fast auroral oval segmentation
Auroral oval segmentation from ultraviolet imager images is of significance in the field of
spatial physics. Compared with various existing image segmentation methods, level set is a …
spatial physics. Compared with various existing image segmentation methods, level set is a …
Image thresholding by variational minimax optimization
In this paper we introduce an adaptive image thresholding technique via minimax
optimization of a novel energy functional that consists of a non-linear convex combination of …
optimization of a novel energy functional that consists of a non-linear convex combination of …
Weakly supervised semantic segmentation for joint key local structure localization and classification of aurora image
In this paper, we propose a novel weakly supervised semantic segmentation (WSSS)
method that uses image tags as supervision to achieve joint pixel-level localization of the …
method that uses image tags as supervision to achieve joint pixel-level localization of the …
A shape-initialized and intensity-adaptive level set method for auroral oval segmentation
Auroral oval segmentation is of great significance in the field of spatial physics. However,
random noise, low contrast and dayglow contamination in ultraviolet imager (UVI) images …
random noise, low contrast and dayglow contamination in ultraviolet imager (UVI) images …
An interval type-2 fuzzy active contour model for auroral oval segmentation
Aurora is a recurrent feature of the atmosphere, acting as a mirror of otherwise invisible
coupling between different atmospheric layers. Advanced processing of auroral images has …
coupling between different atmospheric layers. Advanced processing of auroral images has …
A superposed epoch analysis of auroral oval coverage during substorms using deep learning‐based segmentation models
JN Jiang, ZM Zou, Y Lu, J Zhong, Y Wang… - Space …, 2024 - Wiley Online Library
As an effect of solar‐terrestrial activity, the aurora has always been a focus of substorm
research. The expansion of the aurora is one of the important characteristics during …
research. The expansion of the aurora is one of the important characteristics during …
New shape-based auroral oval segmentation driven by LLS-RHT
C Cao, TS Newman, GA Germany - Pattern Recognition, 2009 - Elsevier
A new method that exploits shape to localize the auroral oval in satellite imagery is
introduced. The core of the method is driven by the linear least-squares (LLS) randomized …
introduced. The core of the method is driven by the linear least-squares (LLS) randomized …
Uncertain active contour model based on rough and fuzzy sets for auroral oval segmentation
The shape of the earth's aurora serves as a direct monitor of important physical processes in
the magnetosphere. Detecting auroral regions is therefore a crucial step in studying auroral …
the magnetosphere. Detecting auroral regions is therefore a crucial step in studying auroral …
[PDF][PDF] Extraction of auroral oval boundaries from UVI images: A new FLICM clustering-based method and its evaluation
W Qian, M QingHu, HU ZeJun, X ZanYang, L JiMin… - 极地 …, 1961 - journal.chinare.org.cn
Based on the fuzzy local information c-means (FLICM) clustering algorithm, a new method is
developed for extracting the equatorward and poleward boundaries of the auroral oval from …
developed for extracting the equatorward and poleward boundaries of the auroral oval from …
An automatic MSRM method with a feedback based on shape information for auroral oval segmentation
Auroral oval segmentation is of great significance to the study of auroral activities. In this
paper, we propose an automatic maximal similarity based region merging (MSRM) method …
paper, we propose an automatic maximal similarity based region merging (MSRM) method …