no code implementations • 10 Mar 2023 • Naoki Yoshida, Sumio Watanabe
Tensor decomposition is now being used for data analysis, information compression, and knowledge recovery.
no code implementations • 2 Oct 2020 • Kana Moriwaki, Masato Shirasaki, Naoki Yoshida
The trained cGANs successfully reconstruct H{\alpha} emission from galaxies at a target redshift from observed, noisy intensity maps.
Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics
no code implementations • 28 Nov 2019 • Masato Shirasaki, Kana Moriwaki, Taira Oogi, Naoki Yoshida, Shiro Ikeda, Takahiro Nishimichi
We study the non-Gaussian information in denoised maps using one-point probability distribution functions (PDFs) and also perform matching analysis for positive peaks and massive clusters.
no code implementations • 14 Dec 2018 • Masato Shirasaki, Naoki Yoshida, Shiro Ikeda
Weak gravitational lensing is a powerful probe of the large-scale cosmic matter distribution.
no code implementations • 30 Nov 2017 • Akisato Kimura, Ichiro Takahashi, Masaomi Tanaka, Naoki Yasuda, Naonori Ueda, Naoki Yoshida
Our method first builds a convolutional neural network for estimating the luminance of supernovae from telescope images, and then constructs another neural network for the classification, where the estimated luminance and observation dates are used as features for classification.
no code implementations • 12 Sep 2016 • Mikio Morii, Shiro Ikeda, Nozomu Tominaga, Masaomi Tanaka, Tomoki Morokuma, katsuhiko Ishiguro, Junji Yamato, Naonori Ueda, Naotaka Suzuki, Naoki Yasuda, Naoki Yoshida
We present an application of machine-learning (ML) techniques to source selection in the optical transient survey data with Hyper Suprime-Cam (HSC) on the Subaru telescope.
Instrumentation and Methods for Astrophysics
5 code implementations • 5 Apr 2005 • Volker Springel, Simon D. M. White, Adrian Jenkins, Carlos S. Frenk, Naoki Yoshida, Liang Gao, Julio Navarro, Robert Thacker, Darren Croton, John Helly, John A. Peacock, Shaun Cole, Peter Thomas, Hugh Couchman, August Evrard, Joerg Colberg, Frazer Pearce
The cold dark matter model has become the leading theoretical paradigm for the formation of structure in the Universe.
astro-ph