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We describe an iterative unfolding method for experimental data, making use of a regularization function. The use of this function allows one to build an improved normalization procedure for Monte Carlo spectra, unbiased by the presence of…

数据分析、统计与概率 · 物理学 2014-04-29 Bogdan Malaescu

Nowadays, deep learning methods, especially the convolutional neural networks (CNNs), have shown impressive performance on extracting abstract and high-level features from the hyperspectral image. However, general training process of CNNs…

计算机视觉与模式识别 · 计算机科学 2020-03-12 Zhiqiang Gong , Ping Zhong , Weidong Hu

We propose a fast, accurate matching method for estimating dense pixel correspondences across scenes. It is a challenging problem to estimate dense pixel correspondences between images depicting different scenes or instances of the same…

计算机视觉与模式识别 · 计算机科学 2015-04-24 Chao Zhang , Chunhua Shen , Tingzhi Shen

We present a novel approach for classifying stars as binary or exoplanet using deep learning techniques. Our method utilizes feature extraction, wavelet transformation, and a neural network on the light curves of stars to achieve…

天体物理仪器与方法 · 物理学 2023-05-22 Aman Kumar , Sarvesh Gharat

Annotating large-scale LiDAR point clouds for 3D semantic segmentation is costly and time-consuming, which motivates the use of semi-supervised learning (SemiSL). Standard LiDAR SemiSL methods typically adopt a two-step training paradigm,…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Bin Yang , Alexandru Paul Condurache

In the era of exploding survey volumes, traditional methods of spectroscopic analysis are being pushed to their limits. In response, we develop deep-REMAP, a novel deep learning framework that utilizes a regularized, multi-task approach to…

天体物理仪器与方法 · 物理学 2025-10-13 Sankalp Gilda

We develop a novel method based on machine learning principles to achieve optimal initiation of CPU-intensive computations for forward asteroseismic modeling in a multi-D parameter space. A deep neural network is trained on a precomputed…

太阳与恒星天体物理 · 物理学 2019-08-29 Luc Hendriks , Conny Aerts

Semantic segmentation is one of the basic, yet essential scene understanding tasks for an autonomous agent. The recent developments in supervised machine learning and neural networks have enjoyed great success in enhancing the performance…

计算机视觉与模式识别 · 计算机科学 2021-07-07 S. Ehsan Mirsadeghi , Ali Royat , Hamid Rezatofighi

In fluorescence microscopy, spectral unmixing aims to recover individual fluorophore concentrations from spectral images that capture mixed fluorophore emissions. Since classical methods operate pixel-wise and rely on least-squares fitting,…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Federico Carrara , Talley Lambert , Mehdi Seifi , Florian Jug

Deep learning-based segmentation methods have been widely employed for automatic glaucoma diagnosis and prognosis. In practice, fundus images obtained by different fundus cameras vary significantly in terms of illumination and intensity.…

计算机视觉与模式识别 · 计算机科学 2022-10-11 Qianbi Yu , Dongnan Liu , Chaoyi Zhang , Xinwen Zhang , Weidong Cai

In this third paper in a series, we investigate the need of spectra denoising for the derivation of stellar parameters. We have used two distinct datasets for this work. The first one contains spectra in the range of 4450-5400 {\AA} at a…

太阳与恒星天体物理 · 物理学 2024-12-09 Marwan Gebran , Ian Bentley , Rose Brienza , Frédéric Paletou

The usage of convolutional neural networks (CNNs) for unsupervised image segmentation was investigated in this study. In the proposed approach, label prediction and network parameter learning are alternately iterated to meet the following…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Wonjik Kim , Asako Kanezaki , Masayuki Tanaka

As the data volume of astronomical imaging surveys rapidly increases, traditional methods for image anomaly detection, such as visual inspection by human experts, are becoming impractical. We introduce a machine-learning-based approach to…

Medical image analysis using supervised deep learning methods remains problematic because of the reliance of deep learning methods on large amounts of labelled training data. Although medical imaging data repositories continue to expand…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Euijoon Ahn , Ashnil Kumar , Dagan Feng , Michael Fulham , Jinman Kim

Unsupervised image segmentation is an important task in many real-world scenarios where labelled data is of scarce availability. In this paper we propose a novel approach that harnesses recent advances in unsupervised learning using a…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Moshe Eliasof , Nir Ben Zikri , Eran Treister

Percolation is an important topic in climate, physics, materials science, epidemiology, finance, and so on. Prediction of percolation thresholds with machine learning methods remains challenging. In this paper, we build a powerful graph…

统计力学 · 物理学 2023-04-10 Hua Tian , Lirong Zhang , Youjin Deng , Wanzhou Zhang

Machine learning (ML) has been well applied to studying equilibrium phase transition models, by accurately predicating critical thresholds and some critical exponents. Difficulty will be raised, however, for integrating ML into…

统计力学 · 物理学 2024-02-27 Jianmin Shen , Wei Li , Shengfeng Deng , Tao Zhang

We present a novel approach to unsupervised learning for video object segmentation (VOS). Unlike previous work, our formulation allows to learn dense feature representations directly in a fully convolutional regime. We rely on uniform grid…

计算机视觉与模式识别 · 计算机科学 2021-11-12 Nikita Araslanov , Simone Schaub-Meyer , Stefan Roth

Galaxy morphology reflects structural properties which contribute to understand the formation and evolution of galaxies. Deep convolutional networks have proven to be very successful in learning hidden features that allow for unprecedented…

星系天体物理 · 物理学 2022-12-07 Shoulin Wei , Yadi Li , Wei Lu , Nan Li , Bo Liang , Wei Dai , Zhijian Zhang

Modern spectroscopic surveys of galaxies such as MaNGA consist of millions of diverse spectra covering different regions of thousands of galaxies. We propose and implement a deep unsupervised machine learning method to summarize the entire…

星系天体物理 · 物理学 2022-01-26 Hossen Teimoorinia , Finn Archinuk , Joanna Woo , Sara Shishehchi , Asa F. L. Bluck