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Transiting planets manifest themselves by a periodic dimming of their host star by a fixed amount. On the other hand, light curves of transiting circumbinary (CB) planets are expected to be neither periodic nor to have a single depth while…

Astrophysics · Physics 2013-08-13 A. Ofir

Quantifying image distortions caused by strong gravitational lensing and estimating the corresponding matter distribution in lensing galaxies has been primarily performed by maximum likelihood modeling of observations. This is typically a…

Instrumentation and Methods for Astrophysics · Physics 2017-09-20 Yashar D. Hezaveh , Laurence Perreault Levasseur , Philip J. Marshall

Object detection systems based on the deep convolutional neural network (CNN) have recently made ground- breaking advances on several object detection benchmarks. While the features learned by these high-capacity neural networks are…

Computer Vision and Pattern Recognition · Computer Science 2016-01-15 Yuting Zhang , Kihyuk Sohn , Ruben Villegas , Gang Pan , Honglak Lee

This paper describes an optimized single-stage deep convolutional neural network to detect objects in urban environments, using nothing more than point cloud data. This feature enables our method to work regardless the time of the day and…

Computer Vision and Pattern Recognition · Computer Science 2018-05-21 Kazuki Minemura , Hengfui Liau , Abraham Monrroy , Shinpei Kato

Visual intelligence at the edge is becoming a growing necessity for low latency applications and situations where real-time decision is vital. Object detection, the first step in visual data analytics, has enjoyed significant improvements…

Computer Vision and Pattern Recognition · Computer Science 2019-11-15 George Plastiras , Christos Kyrkou , Theocharis Theocharides

Accurate drone detection is strongly desired in drone collision avoidance, drone defense and autonomous Unmanned Aerial Vehicle (UAV) self-landing. With the recent emergence of the Vision Transformer (ViT), this critical task is reassessed…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Junyang Zhang

Many moons have been detected around planets in our Solar System, but none has been detected unambiguously around any of the confirmed extrasolar planets. We test the feasibility of a supervised convolutional neural network to classify…

Earth and Planetary Astrophysics · Physics 2020-08-12 Rasha Alshehhi , Kai Rodenbeck , Laurent Gizon , Katepalli R. Sreenivasan

One of the greatest challenges for detecting moving objects in the solar system from wide-field survey data is determining whether a signal indicates a true object or is due to some other source, like noise. Object verification has relied…

In this work, six convolutional neural networks (CNNs) have been trained based on %different feature images and arrays from the database including 15,638 superflare candidates on solar-type stars, which are collected from the three-years…

Solar and Stellar Astrophysics · Physics 2022-09-19 Zuo-Lin Tu , Qin Wu , Wenbo Wang , G. Q. Zhang , Zi-Ke Liu , F. Y. Wang

We present high-precision light curves of several M- and K-type, active detached eclipsing binaries (DEBs), recorded with 2-minute cadence by the Transiting Exoplanet Survey Satellite (TESS). Analysis of these curves, combined with new and…

Solar and Stellar Astrophysics · Physics 2020-09-30 Krzysztof G. Hełminiak , Andrés Jordán , Nestor Espinoza , Rafael Brahm

We present a new, fast, and easy to use tool for modelling light and radial velocity curves of close eclipsing binaries with built-in methods for solving an inverse problem. The main goal of ELISa (Eclipsing binary Learning and Interactive…

Instrumentation and Methods for Astrophysics · Physics 2021-09-01 Michal Čokina , Miroslav Fedurco , Štefan Parimucha

Detached eclipsing binaries are a fundamental tool for measuring the physical parameters of stars that are effectively evolving in isolation. Starting from more than 40,000 eclipsing binary candidates identified by the All-Sky Automated…

Solar and Stellar Astrophysics · Physics 2022-09-21 D. M. Rowan , T. Jayasinghe , K. Z. Stanek , C. S. Kochanek , Todd A. Thompson , B. J. Shappee , T. W. -S. Holoien , J. L. Prieto , W. Giles

In this work we quantify the performance of $LSST$ on the detection of eclipsing binaries. We use $Kepler$ observed binaries to create a large sample of simulated pseudo-$LSST$ binary light curves. From these light curves, we attempt to…

Instrumentation and Methods for Astrophysics · Physics 2017-05-10 Mark Wells , Andrej Prša , Lynne Jones , Peter Yoachim

Current templated searches for gravitational waves (GWs) emanated from compact binary coalescences (CBCs) assume that the binaries have circularized by the time they enter the sensitivity band of the LIGO-Virgo-KAGRA (LVK) network. However,…

General Relativity and Quantum Cosmology · Physics 2024-07-03 Adhrit Ravichandran , Aditya Vijaykumar , Shasvath J. Kapadia , Prayush Kumar

Unmanned Aerial Vehicles (UAVs), have intrigued different people from all walks of life, because of their pervasive computing capabilities. UAV equipped with vision techniques, could be leveraged to establish navigation autonomous control…

Computer Vision and Pattern Recognition · Computer Science 2019-01-07 Xiaoliang Wang , Peng Cheng , Xinchuan Liu , Benedict Uzochukwu

In this paper, we revisit the problem of clustering 1318 new variable stars found in the Milky way. Our recent work distinguishes these stars based on their light curves which are univariate series of brightness from the stars observed at…

Applications · Statistics 2022-02-23 Soumita Modak , Tanuka Chattopadhyay , Asis Kumar Chattopadhyay

Detecting elliptical objects from an image is a central task in robot navigation and industrial diagnosis where the detection time is always a critical issue. Existing methods are hardly applicable to these real-time scenarios of limited…

Computer Vision and Pattern Recognition · Computer Science 2017-08-02 Qi Jia , Xin Fan , Zhongxuan Luo , Lianbo Song , Tie Qiu

ColorCheckers are reference standards that professional photographers and filmmakers use to ensure predictable results under every lighting condition. The objective of this work is to propose a new fast and robust method for automatic…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Pedro D. Marrero Fernandez , Fidel A. Guerrero-Peña , Tsang Ing Ren , Jorge J. G. Leandro

Object detection when provided image-level labels instead of instance-level labels (i.e., bounding boxes) during training is an important problem in computer vision, since large scale image datasets with instance-level labels are extremely…

Computer Vision and Pattern Recognition · Computer Science 2017-03-01 Ziang Yan , Jian Liang , Weishen Pan , Jin Li , Changshui Zhang