中文
相关论文

相关论文: Pulsar Candidate Sifting Using Multi-input Convolu…

200 篇论文

The next generation of data-intensive surveys are bound to produce a vast amount of data, which can be dealt with using machine-learning methods to explore possible correlations within the multi-dimensional parameter space. We explore the…

Improving survey specifications are causing an exponential rise in pulsar candidate numbers and data volumes. We study the candidate filters used to mitigate these problems during the past fifty years. We find that some existing methods…

天体物理仪器与方法 · 物理学 2016-04-27 R. J. Lyon , B. W. Stappers , S. Cooper , J. M. Brooke , J. D. Knowles

Convolutional Neural Networks (CNN) have demon- strated its successful applications in computer vision, speech recognition, and natural language processing. For object recog- nition, CNNs might be limited by its strict label requirement and…

计算机视觉与模式识别 · 计算机科学 2016-10-12 Miao Sun , Tony X. Han , Ming-Chang Liu , Ahmad Khodayari-Rostamabad

We present a machine-learning approach for estimating galaxy cluster masses from Chandra mock images. We utilize a Convolutional Neural Network (CNN), a deep machine learning tool commonly used in image recognition tasks. The CNN is trained…

宇宙学与河外天体物理 · 物理学 2019-06-20 M. Ntampaka , J. ZuHone , D. Eisenstein , D. Nagai , A. Vikhlinin , L. Hernquist , F. Marinacci , D. Nelson , R. Pakmor , A. Pillepich , P. Torrey , M. Vogelsberger

Pan-sharpening is a fundamental and significant task in the field of remote sensing imagery processing, in which high-resolution spatial details from panchromatic images are employed to enhance the spatial resolution of multi-spectral (MS)…

计算机视觉与模式识别 · 计算机科学 2017-12-29 Qiangqiang Yuan , Yancong Wei , Xiangchao Meng , Huanfeng Shen , Liangpei Zhang

Well-known quantum machine learning techniques, namely quantum kernel assisted support vector machines (QSVMs) and quantum convolutional neural networks (QCNNs), are applied to the binary classification of pulsars. In this comparitive study…

量子物理 · 物理学 2024-09-09 Donovan Slabbert , Matt Lourens , Francesco Petruccione

We present a machine learning (ML) pipeline to identify star clusters in the multi{color images of nearby galaxies, from observations obtained with the Hubble Space Telescope as part of the Treasury Project LEGUS (Legacy ExtraGalactic…

星系天体物理 · 物理学 2021-02-10 Gustavo Perez , Matteo Messa , Daniela Calzetti , Subhransu Maji , Dooseok Jung , Angela Adamo , Mattia Siressi

The ability to accurately detect and classify objects at varying pixel sizes in cluttered scenes is crucial to many Navy applications. However, detection performance of existing state-of the-art approaches such as convolutional neural…

计算机视觉与模式识别 · 计算机科学 2017-08-28 JT Turner , Kalyan Moy Gupta , David Aha

We propose a pulsar candidate cross matching algorithm to sift radio pulsar search candidates from repeated observations of the same sky location such as globular clusters, high energy sources, or supernova remnants. Our method uses both…

高能天体物理现象 · 物理学 2026-03-12 Qiuyu Yu , Yujie Wang , Zhichen Pan , Zhongli Zhang , Lei Qian , Zhongzu Wu , Ralph P. Eatough , Dejiang Yin , Baoda Li , Yujie Chen , Yinfeng Dai , Yifeng Li

The SKA pulsar search pipeline will be used for real time detection of pulsars. Modern radio telescopes such as SKA will be generating petabytes of data in their full scale of operation. Hence experience-based and data-driven algorithms…

天体物理仪器与方法 · 物理学 2023-05-10 Shashank Sanjay Bhat , Thiagaraj Prabu , Ben Stappers , Atul Ghalame , Snehanshu Saha , T. S. B Sudarshan , Zafiirah Hosenie

Galaxy clusters appear as extended sources in XMM-Newton images, but not all extended sources are clusters. So, their proper classification requires visual inspection with optical images, which is a slow process with biases that are almost…

In this work, we explore the possibility of using probabilistic learning to identify pulsar candidates. We make use of Deep Gaussian Process (DGP) and Deep Kernel Learning (DKL). Trained on a balanced training set in order to avoid the…

天体物理仪器与方法 · 物理学 2022-10-12 Sambatra Andrianomena

Convolutional Neural Networks (CNNs) have exhibited great performance in discriminative feature learning for complex visual tasks. Besides discrimination power, interpretability is another important yet under-explored property for CNNs. One…

计算机视觉与模式识别 · 计算机科学 2023-12-20 Wengang Guo , Jiayi Yang , Huilin Yin , Qijun Chen , Wei Ye

Object segmentation and structure localization are important steps in automated image analysis pipelines for microscopy images. We present a convolution neural network (CNN) based deep learning architecture for segmentation of objects in…

计算机视觉与模式识别 · 计算机科学 2019-01-24 Shan E Ahmed Raza , Linda Cheung , Muhammad Shaban , Simon Graham , David Epstein , Stella Pelengaris , Michael Khan , Nasir M. Rajpoot

Imitation learning considerably simplifies policy synthesis compared to alternative approaches by exploiting access to expert demonstrations. For such imitation policies, errors away from the training samples are particularly critical. Even…

机器学习 · 计算机科学 2024-03-19 Kaustubh Sridhar , Souradeep Dutta , Dinesh Jayaraman , James Weimer , Insup Lee

Accurate localization of proteins from fluorescence microscopy images is challenging due to the inter-class similarities and intra-class disparities introducing grave concerns in addressing multi-class classification problems. Conventional…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Muhammad Tahir , Saeed Anwar , Ajmal Mian , Abdul Wahab Muzaffar

Convolutional Neural Network (CNN) is a very powerful approach to extract discriminative local descriptors for effective image search. Recent work adopts fine-tuned strategies to further improve the discriminative power of the descriptors.…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Tuan Hoang , Thanh-Toan Do , Dang-Khoa Le Tan , Ngai-Man Cheung

In this paper, we propose a convolutional neural network with mapping layers (MCNN) for hyperspectral image (HSI) classification. The proposed mapping layers map the input patch into a low dimensional subspace by multilinear algebra. We use…

图像与视频处理 · 电气工程与系统科学 2019-08-27 Rui Li , Zhibin Pan , Yang Wang , Ping Wang

The recently proposed Multi-Layer Convolutional Sparse Coding (ML-CSC) model, consisting of a cascade of convolutional sparse layers, provides a new interpretation of Convolutional Neural Networks (CNNs). Under this framework, the…

计算机视觉与模式识别 · 计算机科学 2018-07-03 Jeremias Sulam , Vardan Papyan , Yaniv Romano , Michael Elad

We present a deep machine learning (ML) approach to constraining cosmological parameters with multi-wavelength observations of galaxy clusters. The ML approach has two components: an encoder that builds a compressed representation of each…

天体物理仪器与方法 · 物理学 2022-02-16 Michelle Ntampaka , Alexey Vikhlinin