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Current and future surveys rely on machine learning classification to obtain large and complete samples of transients. Many of these algorithms are restricted by training samples that contain a limited number of spectroscopically confirmed…

Instrumentation and Methods for Astrophysics · Physics 2025-03-26 A. Möller , E. E. O. Ishida , J. Peloton , O. Vidal Velázquez , J. Soon , B. Martin , M. Cluver , M. Leoni , E. Taylor

Deep learning algorithms are a key component of many state-of-the-art vision systems, especially as Convolutional Neural Networks (CNN) outperform most solutions in the sense of accuracy. To apply such algorithms in real-time applications,…

Computer Vision and Pattern Recognition · Computer Science 2022-12-19 Dominika Przewlocka-Rus , Marcin Kowalczyk , Tomasz Kryjak

Hyperspectral imagery is rich in spatial and spectral information. Using 3D-CNN can simultaneously acquire features of spatial and spectral dimensions to facilitate classification of features, but hyperspectral image information spectral…

Image and Video Processing · Electrical Eng. & Systems 2022-02-15 Guandong Li , Chunju Zhang

Image recognition is one of the primary applications of machine learning algorithms. Nevertheless, machine learning models used in modern image recognition systems consist of millions of parameters that usually require significant…

Hyperspectral image(HSI) classification has been improved with convolutional neural network(CNN) in very recent years. Being different from the RGB datasets, different HSI datasets are generally captured by various remote sensors and have…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Haokui Zhang , Yu Liu , Bei Fang , Ying Li , Lingqiao Liu , Ian Reid

This paper presents a motorcycle classification system for urban scenarios using Convolutional Neural Network (CNN). Significant results on image classification has been achieved using CNNs at the expense of a high computational cost for…

Computer Vision and Pattern Recognition · Computer Science 2018-08-29 Jorge E. Espinosa , Sergio A. Velastin , John W. Branch

Hot subdwarf star is a particular type of star that is crucial for studying binary evolution and atmospheric diffusion processes. In recent years, identifying Hot subdwarfs by machine learning methods has become a hot topic, but there are…

Solar and Stellar Astrophysics · Physics 2022-01-25 Lei Tan , Ying Mei , Zhicun Liu , Yangping Luo , Hui Deng , Feng Wang , Linhua Deng , Chao Liu

Over the past decade wide-field optical time-domain surveys have increased the discovery rate of transients to the point that $\lesssim 10\%$ are being spectroscopically classified. Despite this, these surveys have enabled the discovery of…

High Energy Astrophysical Phenomena · Physics 2020-12-02 Sebastian Gomez , Edo Berger , Peter K. Blanchard , Griffin Hosseinzadeh , Matt Nicholl , V. Ashley Villar , Yao Yin

With the development of deep learning, the performance of hyperspectral image (HSI) classification has been greatly improved in recent years. The shortage of training samples has become a bottleneck for further improvement of performance.…

Computer Vision and Pattern Recognition · Computer Science 2018-03-01 Yanan Luo , Jie Zou , Chengfei Yao , Tao Li , Gang Bai

Large numbers of supernovae (SNe) have been discovered in recent years, and many more will be found in the near future. Once discovered, further study of a SN and its possible use as an astronomical tool (e.g., as a distance estimator)…

The revolutionary discovery of dark energy and accelerating cosmic expansion was made with just 42 type Ia supernovae (SNe Ia) in 1999. Since then, large synoptic surveys, e.g., Dark Energy Survey (DES), have observed thousands more SNe Ia…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-10 Helen Qu

Employing deep neural networks for Hyperspectral remote sensing (HSRS) image classification is a challenging task. HSRS images have high dimensionality and a large number of channels with substantial redundancy between channels. In…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Mohammad Joshaghani , Amirabbas Davari , Faezeh Nejati Hatamian , Andreas Maier , Christian Riess

Land Cover (LC) image classification has become increasingly significant in understanding environmental changes, urban planning, and disaster management. However, traditional LC methods are often labor-intensive and prone to human error.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Antonio Rangel , Juan Terven , Diana M. Cordova-Esparza , E. A. Chavez-Urbiola

Hepatocellular carcinoma (HCC) is a common type of liver cancer whose early-stage diagnosis is a common challenge, mainly due to the manual assessment of hematoxylin and eosin-stained whole slide images, which is a time-consuming process…

Image and Video Processing · Electrical Eng. & Systems 2025-03-03 Ajinkya Deshpande , Deep Gupta , Ankit Bhurane , Nisha Meshram , Sneha Singh , Petia Radeva

This paper proposes a novel saliency detection method by developing a deeply-supervised recurrent convolutional neural network (DSRCNN), which performs a full image-to-image saliency prediction. For saliency detection, the local, global,…

Computer Vision and Pattern Recognition · Computer Science 2016-08-19 Youbao Tang , Xiangqian Wu , Wei Bu

Strong gravitationally lensed supernovae (LSNe), though rare, are exceptionally valuable probes for cosmology and astrophysics. Upcoming time-domain surveys like the Vera Rubin Observatory's Legacy Survey of Space and Time (LSST) offer a…

Instrumentation and Methods for Astrophysics · Physics 2026-03-04 Satadru Bag , Raoul Canameras , Sherry H. Suyu , Stefan Schuldt , Stefan Taubenberger , Irham Taufik Andika , Alejandra Melo

Convolutional neural network (CNN) performs well in Hyperspectral Image (HSI) classification tasks, but its high energy consumption and complex network structure make it difficult to directly apply it to edge computing devices. At present,…

Image and Video Processing · Electrical Eng. & Systems 2024-09-19 Yang Liu , Yahui Li , Rui Li , Liming Zhou , Lanxue Dang , Huiyu Mu , Qiang Ge

Convolutional Neural Networks (CNN) have been rigorously studied for Hyperspectral Image Classification (HSIC) and are known to be effective in exploiting joint spatial-spectral information with the expense of lower generalization…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Muhammad Ahmad , Manuel Mazzara , Salvatore Distefano

Recently, hyperspectral image (HSI) classification approaches based on deep learning (DL) models have been proposed and shown promising performance. However, because of very limited available training samples and massive model parameters,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Haokui Zhang , Ying Li , Yenan Jiang , Peng Wang , Qiang Shen , Chunhua Shen

Classification with a large number of classes is a key problem in machine learning and corresponds to many real-world applications like tagging of images or textual documents in social networks. If one-vs-all methods usually reach top…

Machine Learning · Computer Science 2019-06-25 Thomas Gerald , Aurélia Léon , Nicolas Baskiotis , Ludovic Denoyer