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Automated searches for strong gravitational lensing in optical imaging survey datasets often employ machine learning and deep learning approaches. These techniques require more example systems to train the algorithms than have presently…

Instrumentation and Methods for Astrophysics · Physics 2021-02-08 Robert Morgan , Brian Nord , Simon Birrer , Joshua Yao-Yu Lin , Jason Poh

Observational astronomers survey the sky in great detail to gain a better understanding of many types of astronomical phenomena. In particular, the formation and evolution of galaxies, including our own, is a wide field of research. Three…

Instrumentation and Methods for Astrophysics · Physics 2021-02-08 Tim Dykes , Claudio Gheller , Bärbel S. Koribalski , Klaus Dolag , Mel Krokos

Halo is one of the most important basic elements in cosmology simulation, which merges from small clumps to ever larger objects. The processes of the birth and merging of the halos play a fundamental role in studying the evolution of large…

Graphics · Computer Science 2014-12-30 Guihua Shan , Maojin Xie , FengAn Li , Yang Gao , Xuebin Chi

We present observations of highly inclined, HI deficient, Virgo cluster spiral galaxies. Our high-resolution VLA HI observations of edge-on galaxies allow us to distinguish extraplanar gas from disk gas. All of our galaxies have truncated…

Astrophysics · Physics 2015-06-24 Hugh H. Crowl , Jeffrey D. P. Kenney , J. H. van Gorkom , Bernd Vollmer

Much of our current understanding of neutral, atomic gas in galaxies comes from radio observations of the nearby Universe. Until the next generation of instruments allow us to push to much higher redshifts, we must rely mostly upon…

Astrophysics of Galaxies · Physics 2016-06-02 E. C. Elson , S. L. Blyth , A. J. Baker

While astronomical twilight closes the observing window for optical astronomers, the infrared sky remains dark even through sunrise, allowing IR astronomers to observe through twilight. The Slicer Combined with an Array of Lenslets for…

Saliency detection, finding the most important parts of an image, has become increasingly popular in computer vision. In this paper, we introduce Hierarchical Cellular Automata (HCA) -- a temporally evolving model to intelligently detect…

Computer Vision and Pattern Recognition · Computer Science 2017-05-29 Yao Qin , Mengyang Feng , Huchuan Lu , Garrison W. Cottrell

Strong gravitational lensing provides some of the deepest views of the Universe, enabling studies of high-redshift galaxies only possible with next-generation facilities without the lensing phenomenon. To date, 21 cm radio emission from…

Astrophysics of Galaxies · Physics 2015-08-06 R. P. Deane , D. Obreschkow , I. Heywood

We describe a new visualization tool, dubbed HCMapper, that visually helps to compare a pair of dendrograms computed on the same dataset by displaying multiscale partition-based layered structures. The dendrograms are obtained by…

Human-Computer Interaction · Computer Science 2016-02-23 Gautier Marti , Philippe Donnat , Frank Nielsen , Philippe Very

The Segmented Planar Imaging Detector for Electro-Optical Reconnaissance (SPIDER) is an optical interferometric imaging device that aims to offer an alternative to the large space telescope designs of today with reduced size, weight and…

Instrumentation and Methods for Astrophysics · Physics 2024-01-17 Matthijs Mars , Marta M. Betcke , Jason D. McEwen

With the goal of simplifying the access to science data to scientists and citizens, ESA recently released ESASky (http://sky.esa.int), a new open-science easy-to-use portal with the science-ready Astronomy data from ESA and other major data…

The Hubble Legacy Archive (HLA) aims to create calibrated science data from the Hubble Space Telescope archive and make them accessible via user-friendly and Virtual Observatory (VO) compatible interfaces. It is a collaboration between the…

We present SciServer, a science platform built and supported by the Institute for Data Intensive Engineering and Science at the Johns Hopkins University. SciServer builds upon and extends the SkyServer system of server-side tools that…

The visualization of volumetric medical data is crucial for enhancing diagnostic accuracy and improving surgical planning and education. Cinematic rendering techniques significantly enrich this process by providing high-quality…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Chengkun Li , Yuqi Tong , Kai Chen , Zhenya Yang , Ruiyang Li , Shi Qiu , Jason Ying-Kuen Chan , Pheng-Ann Heng , Qi Dou

The far-infrared (far-IR) spectral window plays host to a wide range of spectroscopic diagnostics with which to study planetary disk systems and exoplanets at wavelengths completely blocked by the Earth atmosphere. These include the thermal…

Earth and Planetary Astrophysics · Physics 2010-02-16 J. R. Goicoechea , B. Swinyard

In June 1997, parallel observations using the Space Telescope Imaging Spectrograph (STIS) on the HST started to be taken in substantial numbers along many different lines-of-sight. We are using the imaging data to investigate the distortion…

Traditional methods for visualizing dynamic human expressions, particularly in medical training, often rely on flat-screen displays or static mannequins, which have proven inefficient for realistic simulation. In response, we propose a…

Graphics · Computer Science 2025-02-13 Tri Tung Nguyen Nguyen , Fujii Yasuyuki , Dinh Tuan Tran , Joo-Ho Lee

Motivation: Visualization of data is a crucial step to understanding and deriving hypotheses from clinical data. However, for clinicians, visualization often comes with great effort due to the lack of technical knowledge about data handling…

Quantitative Methods · Quantitative Biology 2023-06-14 Philipp Wegner , Sebastian Schaaf , Mischa Uebachs , Marcus Grobe-Einsler , Thomas Klockgether , Juliane Fluck , Jennifer Faber

During the last decades, anatomy has become an interesting topic in education---even for laymen or schoolchildren. As medical imaging techniques become increasingly sophisticated, virtual anatomical education applications have emerged.…

Graphics · Computer Science 2020-11-23 Renata G. Raidou , M. Eduard Gröller , Hsiang-Yun Wu

In these proceedings I discuss various extragalactic surveys which will be undertaken over the next few years and which will be complementary to any HI and/or continuum surveys with the SKA-pathfinder telescopes. I concentrate on the…

Astrophysics · Physics 2009-06-23 Matt J. Jarvis