Browsing by Author "Kembhavi, Ajit"

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Application of convolutional neural networks for stellar spectral classification

Sharma, K; Kembhavi, Ajit; Kembhavi, Aniruddha; Sivarani, T; Abraham, Sheelu; Vaghmare, Kaustubh (Oxford University Press on behalf of the Royal Astronomical Society, 2020-01)

Due to the ever-expanding volume of observed spectroscopic data from surveys such as SDSS and LAMOST, it has become important to apply artificial intelligence (AI) techniques for analysing stellar spectra to solve spectral ...
Detecting Outliers in SDSS using Convolutional Neural Network

Sharma, K; Kembhavi, Ajit; Kembhavi, Aniruddha; Sivarani, T; Abraham, S. (Societe Royale des Sciences de Liege, 2019-10)

We propose an automated algorithm based on Convolutional Neural Network (CNN) for the detection of peculiar objects in large databases using their spectral observations. A convolutional neural network is a class of ...
Photometric identification of compact galaxies, stars, and quasars using multiple neural networks

Chaini, Siddharth; Bagul, Atharva; Deshpande, Anish; Gondkar, Rishi; Sharma, Kaushal; Vivek, M; Kembhavi, Ajit (Oxford University Press on behalf of Royal Astronomical Society, 2023-01)

We present MargNet, a deep learning-based classifier for identifying stars, quasars, and compact galaxies using photometric parameters and images from the Sloan Digital Sky Survey Data Release 16 catalogue. MargNet consists ...

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