A method for pulsar searching: combining a two-dimensional autocorrelation profile map and a deep convolutional neural network

  title={A method for pulsar searching: combining a two-dimensional autocorrelation profile map and a deep convolutional neural network},
  author={Longqi Wang and Jing Jin and Lu Liu and Yi Shen},
  journal={Research in Astronomy and Astrophysics},
In pulsar astronomy, detecting effective pulsar signals among numerous pulsar candidates is an important research topic. Starting from space X-ray pulsar signals, the two-dimensional autocorrelation profile map (2D-APM) feature modelling method, which utilizes epoch folding of the autocorrelation function of X-ray signals and expands the time-domain information of the periodic axis, is proposed. A uniform setting criterion regarding the time resolution of the periodic axis addresses pulsar… 

A Pulsar Search Method Combining a New Feature Representation and Convolutional Neural Network

The radiation energy of X-ray pulsars is mainly concentrated in the high-energy ray bands, so processing high-energy photon signals is helpful for discovering some young and active pulsars. To



Rethinking the Inception Architecture for Computer Vision

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Histograms of oriented gradients for human detection

  • N. DalalB. Triggs
  • Computer Science
    2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05)
  • 2005
It is shown experimentally that grids of histograms of oriented gradient (HOG) descriptors significantly outperform existing feature sets for human detection, and the influence of each stage of the computation on performance is studied.

A high-frequency survey of the southern Galactic plane for pulsars

Results of an HF survey designed to detect young, distant, and short-period pulsars are presented. The survey detected a total of 100 pulsars, 46 of which were previously unknown. The periods of the

HEAO-1 spectra of X-ray emitting Seyfert 1 galaxies

The paper presents the 2-50-keV X-ray spectra and time variability information on seven Seyfert 1 galaxies NGC 3783, NGC 4151, NGC 5548, NGC 6814, MK 509, MCG 8-11-11, and ESO 141-G55, obtained with

Pulsar distances and the galactic distribution of free electrons

We describe a quantitative model for the distribution of free electrons in the Galaxy, with particular emphasis on its utility for estimating pulsar distances from dispersion measures. Contrary to

Results of two surveys for fast pulsars

Results are reported from two surveys designed to detect fast pulsars - one carried out at 390 MHz using the 92 m telescope at Green Bank, and the other done at 430 MHz with the 305 m Arecibo