activity
20172022
most citedKiDS-SQuaD II: Machine learning selection of bright extragalactic objects to search for new gravitationally lensed quasars

47 citations · 110 across the 6 of their papers we have counts for

collaborators

7 papers

astro-ph.GA2022★ 8 cited

Machine learning technique for morphological classification of galaxies from the SDSS. III. Image-based inference of detailed features

V. Khramtsov, I. B. Vavilova, D. V. Dobrycheva +5

This paper follows series of our works on the applicability of various machine learning methods to the morphological galaxy classification (Vavilova et al., 2021, 2022). We exploit…

astro-ph.GA2022★ 8 cited

Machine learning technique for morphological classification of galaxies from SDSS. II. The image-based morphological catalogs of galaxies at 0.02<z<0.1

I. B. Vavilova, V. Khramtsov, D. V. Dobrycheva +3

We applied the image-based approach with a convolutional neural network model to the sample of low-redshifts galaxies with from the SDSS DR9. We divided i…

astro-ph.GA2019★ 47 cited

KiDS-SQuaD II: Machine learning selection of bright extragalactic objects to search for new gravitationally lensed quasars

Vladislav Khramtsov, Alexey Sergeyev, Chiara Spiniello +9

The KiDS Strongly lensed QUAsar Detection project (KiDS-SQuaD) aims at finding as many previously undiscovered gravitational lensed quasars as possible in the Kilo Degree Survey. T…

astro-ph.GA2018

KiDS0239-3211: A new gravitational quadruple lens candidate

A. Sergeyev, C. Spiniello, V. Khramtsov +5

We report the discovery of a candidate to quadrupole gravitationally lensed system KiDS0239-3211 based on the public data release 3 of the KiDS survey and machine learning techniqu…

astro-ph.IM2018★ 1 cited

Machine-learning identification of extragalactic objects in the optical-infrared all-sky surveys

Vladislav Khramtsov, Volodymyr Akhmetov

We present new fully-automatic classification model to select extragalactic objects within astronomy photometric catalogs. Construction of the our classification model is based on…

astro-ph.IM2018

New algorithm for astrometric reduction of the wide-field images

Volodymyr Akhmetov, Sergii Khlamov, Vladislav Khramtsov +1

In this paper we presented the modified algorithm for astrometric reduction of the wide-field images. This algorithm is based on the iterative using of the method of ordinary least…

astro-ph.GA2017★ 46 cited

Machine learning technique for morphological classification of galaxies from the SDSS. I. Photometry-based approach

I. B. Vavilova, D. V. Dobrycheva, M. Yu. Vasylenko +3

Methods. We used different galaxy classification techniques: human labeling, multi-photometry diagrams, Naive Bayes, Logistic Regression, Support Vector Machine, Random Forest, k-N…