activity
20152026
most citedSPCANet: Stellar Parameters and Chemical Abundances Network for LAMOST-II Medium Resolution Survey

67 citations · 501 across the 27 of their papers we have counts for

collaborators
Showing astro-ph.IMShow all

13 papers · 1 filter

astro-ph.IM2024

A Versatile Framework for Analyzing Galaxy Image Data by Implanting Human-in-the-loop on a Large Vision Model

Mingxiang Fu, Yu Song, Jiameng Lv +14

The exponential growth of astronomical datasets provides an unprecedented opportunity for humans to gain insight into the Universe. However, effectively analyzing this vast amount…

astro-ph.IM2023★ 2 cited

Dealing with the data imbalance problem on pulsar candidates sifting based on feature selection

Haitao Lin, Xiangru Li

Pulsar detection has become an active research topic in radio astronomy recently. One of the essential procedures for pulsar detection is pulsar candidate sifting (PCS), a procedur…

astro-ph.IM2022★ 10 cited

Galaxy Image Classification using Hierarchical Data Learning with Weighted Sampling and Label Smoothing

Xiaohua Ma, Xiangru Li, Ali Luo +2

With the development of a series of Galaxy sky surveys in recent years, the observations increased rapidly, which makes the research of machine learning methods for galaxy image re…

astro-ph.IM2022★ 12 cited

Estimating Atmospheric Parameters from LAMOST Low-Resolution Spectra with Low SNR

Xiangru Li, Si Zeng, Zhu Wang +3

Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) acquired tens of millions of low-resolution stellar spectra. The large amount of the spectra result in the urgenc…

astro-ph.IM2022★ 11 cited

A Model RRNet for Spectral Information Exploitation and LAMOST Medium-resolution Spectrum Parameter Estimation

Shengchun Xiong, Xiangru Li, Caixiu Liao

This work proposes a Residual Recurrent Neural Network (RRNet) for synthetically extracting spectral information, and estimating stellar atmospheric parameters together with 15 che…

astro-ph.IM2020★ 32 cited

Radio Frequency Interference Mitigation based on the ArPLS and SumThreshold Method

Qingguo Zeng, Xue Chen, Xiangru Li +4

As radio telescopes become sensitive, radio frequency interference (RFI) is more and more serious for interesting signals of radio astronomy. There exist demands for developing an…

astro-ph.IM2020★ 14 cited

Pulsar Candidate Sifting Using Multi-input Convolution Neural Networks

Haitao Lin, Xiangru Li, Qingguo Zeng

Pulsar candidate sifting is an essential process for discovering new pulsars. It aims to search for the most promising pulsar candidates from an all-sky survey, such as High Time R…

astro-ph.IM2020★ 36 cited

Concat Convolutional Neural Network for Pulsar Candidate Selection

Qingguo Zeng, Xiangru Li, Haitao Lin

Pulsar searching is essential for the scientific research in the field of physics and astrophysics. As the development of the radio telescope, the exploding volume and it growth sp…

astro-ph.IM2020★ 22 cited

Pulsars Detection by Machine Learning with Very Few Features

Haitao Lin, Xiangru Li, Ziying Luo

It is an active topic to investigate the schemes based on machine learning (ML) methods for detecting pulsars as the data volume growing exponentially in modern surveys. To improve…

astro-ph.IM2019★ 31 cited

Binary Neutron Stars Gravitational Wave Detection Based on Wavelet Packet Analysis And Convolutional Neural Networks

Baijiong Lin, Xiangru Li, Woliang Yu

This work investigates the detection of binary neutron stars gravitational wave based on convolutional neural network (CNN). To promote the detection performance and efficiency, we…

astro-ph.IM2019★ 34 cited

Stellar Spectra Classification and Feature evaluation Based on Random Forest

Xiangru Li, Yangtao Lin, Kaibin Qiu

With the availability of multi-object spectrometers and the designing \& running of some large scale sky surveys, we are obtaining massive spectra. Therefore, it becomes more and m…

astro-ph.IM2017★ 46 cited

Some Optimizations on Detecting Gravitational Wave Using Convolutional Neural Network

Xiangru Li, Woliang Yu, Xilong Fan +1

This work investigates the problem of detecting gravitational wave (GW) events based on simulated damped sinusoid signals contaminated with white Gaussian noise. It is treated as a…

astro-ph.IM2015★ 29 cited

An autoencoder of stellar spectra and its application in automatically estimating atmospheric parameters

Tan Yang, Xiangru Li

This article investigates the problem of estimating stellar atmospheric parameters from spectra. Feature extraction is a key procedure in estimating stellar parameters automaticall…