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相关论文: A Robust Hot Subdwarfs Identification Method Based…

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We train and apply convolutional neural networks, a machine learning technique developed to learn from and classify image data, to Canada-France-Hawaii Telescope Legacy Survey (CFHTLS) imaging for the identification of potential strong…

天体物理仪器与方法 · 物理学 2017-06-16 Colin Jacobs , Karl Glazebrook , Thomas Collett , Anupreeta More , Christopher McCarthy

The proper handling of out-of-distribution (OOD) samples in deep classifiers is a critical concern for ensuring the suitability of deep neural networks in safety-critical systems. Existing approaches developed for robust OOD detection in…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Nasrin Alipour , Seyyed Ali SeyyedSalehi

Knowledge of molecular subtypes of gliomas can provide valuable information for tailored therapies. This study aimed to investigate the use of deep convolutional neural networks (DCNNs) for noninvasive glioma subtyping with radiological…

图像与视频处理 · 电气工程与系统科学 2022-03-14 Dong Wei , Yiming Li , Yinyan Wang , Tianyi Qian , Yefeng Zheng

Selective classification techniques (also known as reject option) have not yet been considered in the context of deep neural networks (DNNs). These techniques can potentially significantly improve DNNs prediction performance by trading-off…

机器学习 · 计算机科学 2017-06-02 Yonatan Geifman , Ran El-Yaniv

A deep learning model gives an incredible result for image processing by studying from the trained dataset. Spinach is a leaf vegetable that contains vitamins and nutrients. In our research, a Deep learning method has been used that can…

计算机视觉与模式识别 · 计算机科学 2022-01-07 Mirajul Islam , Nushrat Jahan Ria , Jannatul Ferdous Ani , Abu Kaisar Mohammad Masum , Sheikh Abujar , Syed Akhter Hossain

The goal of our research is to develop methods advancing automatic visual recognition. In order to predict the unique or multiple labels associated to an image, we study different kind of Deep Neural Networks architectures and methods for…

计算机视觉与模式识别 · 计算机科学 2016-10-19 Rémi Cadène , Nicolas Thome , Matthieu Cord

Efficient management of storage resources in big data and cloud computing environments requires accurate identification of data's "cold" and "hot" states. Traditional methods, such as rule-based algorithms and early AI techniques, often…

机器学习 · 计算机科学 2024-11-25 Kai Lu , Siqi Zhao , Jiguang Wan

(abridged) We develop a tool for the automated spectral classification of OB stars according to their sub-types. We use the regular Random Forest (RF) algorithm, the Probabilistic RF (PRF), and we introduce the KDE-RF method which is a…

太阳与恒星天体物理 · 物理学 2022-01-12 E. Kyritsis , G. Maravelias , A. Zezas , P. Bonfini , K. Kovlakas , P. Reig

The rapid evolution of generative adversarial networks (GANs) and diffusion models has made synthetic media increasingly realistic, raising societal concerns around misinformation, identity fraud, and digital trust. Existing deepfake…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Sales Aribe

Lymphoma diagnosis, particularly distinguishing between subtypes, is critical for effective treatment but remains challenging due to the subtle morphological differences in histopathological images. This study presents a novel hybrid deep…

图像与视频处理 · 电气工程与系统科学 2024-10-10 Salah A. Aly , Ali Bakhiet , Mazen Balat

Utilizing the Two Micron All Sky Survey (2MASS) Second Incremental Data Release Catalog, we have retrieved near-IR magnitudes for several hundred hot subdwarfs (sdO and sdB stars) drawn from the "Catalogue of Spectroscopically Identified…

天体物理学 · 物理学 2009-11-07 M. A. Stark , Richard A. Wade

We performed a search for strong lens galaxy-scale systems in the first data release of the Dark Energy Survey (DES), from a color-selected parent sample of 18~745~029 Luminous Red Galaxies (LRGs). Our search was based on a Convolutional…

星系天体物理 · 物理学 2022-12-14 K. Rojas , E. Savary , B. Clément , M. Maus , F. Courbin , C. Lemon , J. H. H. Chan , G. Vernardos , R. Joseph , R. Cañameras , A. Galan

Deep convolutional neural networks have become a key element in the recent breakthrough of salient object detection. However, existing CNN-based methods are based on either patch-wise (region-wise) training and inference or fully…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Guanbin Li , Yizhou Yu

Detecting and classifying targets in video streams from surveillance cameras is a cumbersome, error-prone and expensive task. Often, the incurred costs are prohibitive for real-time monitoring. This leads to data being stored locally or…

计算机视觉与模式识别 · 计算机科学 2017-11-10 Lukas Cavigelli , Dominic Bernath , Michele Magno , Luca Benini

The importance of using fast and automatic methods to classify variable stars for large amounts of data is undeniable. There have been many attempts to classify variable stars by traditional algorithms like Random Forest. In recent years,…

太阳与恒星天体物理 · 物理学 2023-01-31 Mahdi Abdollahi , Nooshin Torabi , Sadegh Raeisi , Sohrab Rahvar

Context. We have developed deep learning (DL) and AI-based tools to search extant narrow-band wide-field H$\alpha$ surveys of the Galactic Plane for elusive planetary nebulae (PNe) which are hidden in dense star fields towards the Galactic…

星系天体物理 · 物理学 2024-12-11 Yushan Li , Quentin Parker , Peng Jia

Jellyfish, a diverse group of gelatinous marine organisms, play a crucial role in maintaining marine ecosystems but pose significant challenges for biodiversity and conservation due to their rapid proliferation and ecological impact.…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Md. Sabbir Hossen , Md. Saiduzzaman , Pabon Shaha , Mostofa Kamal Nasir

Outlier detection (OD) finds many applications with a rich literature of numerous techniques. Deep neural network based OD (DOD) has seen a recent surge of attention thanks to the many advances in deep learning. In this paper, we consider a…

机器学习 · 计算机科学 2024-08-27 Xueying Ding , Yue Zhao , Leman Akoglu

We selected 4593 hot subdwarf candidates from the Gaia DR2 Hertzsprung-Russell (HR) diagram. By combining the sample with LAMOST DR5, we identified 294 hot subdwarf stars, including 169 sdB, 63 sdOB, 31 He-sdOB, 22 sdO, 7 He-sdO and 2…

太阳与恒星天体物理 · 物理学 2019-07-02 Zhenxin Lei , Jingkun Zhao , Németh Péter , Gang Zhao