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We present the design, fabrication and discuss the performance of a new combined high-resolution Scanning Tunneling and thermopower Microscope (STM/SThEM). We also describe the development of the electronic control, the user interface, the…

Reliable and efficient Visual Place Recognition is a major building block of modern SLAM systems. Leveraging on our prior work, in this paper we present a Hamming Distance embedding Binary Search Tree (HBST) approach for binary Descriptor…

Robotics · Computer Science 2018-09-19 Dominik Schlegel , Giorgio Grisetti

TolTEC is a new camera being built for the 50-meter Large Millimeter-wave Telescope (LMT) in Puebla, Mexico to survey distant galaxies and star-forming regions in the Milky Way. The optical design simultaneously couples the field of view…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Sean Bryan , Jason Austermann , Daniel Ferrusca , Philip Mauskopf , Jeff McMahon , Alfredo Montana , Sara Simon , Giles Novak , David Sanchez-Arguelles , Grant Wilson

The Cherenkov Telescopes Array (CTA) is planned to be an Observatory for very high energy gamma ray astronomy and will consist of several tens of telescopes which account for a reflective surface of more than 10000 m$^2$. The mirrors of…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 M. C. Medina , B. Garcia , J. Maya , A. Mancilla , J. J. Larrarte , E. Rasztocky , M. Benitez , J. Dipold , M. Platino

The TBT project is being developed under ESA's General Studies and Technology Programme (GSTP), and shall implement a test-bed for the validation of an autonomous optical observing system in a realistic scenario within the Space Situational…

Instrumentation and Methods for Astrophysics · Physics 2016-09-27 Francisco Ocaña , Aitor Ibarra , Elena Racero , Ángel Montero , Jirí Doubek , Vicente Ruiz

Chest X-ray (CXR) is frequently employed in emergency departments and intensive care units to verify the proper placement of central lines and tubes and to rule out related complications. The automation of the X-ray reading process can be a…

Image and Video Processing · Electrical Eng. & Systems 2023-12-07 Francesca Boccardi , Axel Saalbach , Heinrich Schulz , Samuele Salti , Ilyas Sirazitdinov

The Cosmic Evolution Survey (COSMOS) was initiated with an extensive allocation (590 orbits in Cycles 12-13) using the Hubble Space Telescope (HST) for high resolution imaging. Here we review the characteristics of the HST imaging with the…

The GPU-based High-order adaptive OpticS Testbench (GHOST) at the European Southern Observatory (ESO) is a new 2-stage extreme adaptive optics (XAO) testbench at ESO. The GHOST is designed to investigate and evaluate new control methods…

Spectral CT offers enhanced material discrimination over single-energy systems and enables quantitative estimation of basis material density images. Water/iodine decomposition in contrast-enhanced CT is one of the most widespread…

Medical Physics · Physics 2021-03-30 Matthew Tivnan , Grace Gang , Wenchao Cao , Nadav Shapira , Peter B. Noel , J. Webster Stayman

The prototype Schwarzschild-Couder Telescope (pSCT) is a candidate for a medium-sized telescope in the Cherenkov Telescope Array. The pSCT is based on a novel dual mirror optics design which reduces the plate scale and allows for the use of…

Instrumentation and Methods for Astrophysics · Physics 2022-03-17 Colin B. Adams , Giovanni Ambrosi , Michelangelo Ambrosio , Carla Aramo , Timothy Arlen , Wystan Benbow , Bruna Bertucci , Elisabetta Bissaldi , Jonathan Biteau , Massimiliano Bitossi , Alfonso Boiano , Carmela Bonavolontà , Richard Bose , Aurelien Bouvier , Mario Buscemi , Aryeh Brill , Anthony M. Brown , James H. Buckley , Rodolfo Canestrari , Massimo Capasso , Mirco Caprai , Paolo Coppi , Corbin E. Covault , Davide Depaoli , Leonardo Di Venere , Manel Errando , Stephen Fegan , Qi Feng , Emanuele Fiandrini , Amy Furniss , Markus Garczarczyk , Alasdair Gent , Nicola Giglietto , Francesco Giordano , Enrico Giro , Robert Halliday , Olivier Hervet , Gareth Hughes , Simone Incardona , Thomas B. Humensky , Maria Ionica , Weidong Jin , Caitlin A. Johnson , David Kieda , Frank Krennrich , Andrey Kuznetsov , Jon Lapington , Francesco Licciulli , Serena Loporchio , Giovanni Marsella , Vincenzo Masone , Kevin Meagher , Thomas Meures , Brent A. W. Mode , Samuel A. I. Mognet , Reshmi Mukherjee , Akira Okumura , Francesca R. Pantaleo , Riccardo Paoletti , Federico Di Pierro , Deivid Ribeiro , Luca Riitano , Emmet Roache , Duncan Ross , Julien Rousselle , Andrea Rugliancich , Marcos Santander , Michael Schneider , Harm Schoorlemmer , Ruo-Yu Shang , Brandon Stevenson , Leonardo Stiaccini , Hiroyasu Tajima , Leslie P. Taylor , Julian Thornhill , Luca Tosti , Giovanni Tripodo , Valerio Vagelli , Massimo Valentino , Justin Vandenbroucke , Vladimir V. Vassiliev , Scott P. Wakely , Jason J. Watson , Richard White , Patrick Wilcox , David A. Williams , Matthew Wood , Peter Yu , Adrian Zink

The Cherenkov Telescope Array (CTA) represents the next generation of very high-energy gamma-ray observatory, which will provide broad coverage of gamma rays from 20 GeV to 300 TeV with unprecedented sensitivity. CTA will employ three…

Instrumentation and Methods for Astrophysics · Physics 2019-07-23 S. Sakurai , D. Depaoli , R. López-Coto

We discuss the future possibilities for extragalactic star cluster research with the expected new ground-based and space-based telescopes and instrumentation. Significant gains are expected due to improved angular resolution, sensitivity,…

Astrophysics · Physics 2007-05-23 John S. Gallagher , Eva K. Grebel

Chapter 13 in High-Luminosity Large Hadron Collider (HL-LHC) : Preliminary Design Report. The Large Hadron Collider (LHC) is one of the largest scientific instruments ever built. Since opening up a new energy frontier for exploration in…

Accelerator Physics · Physics 2017-05-31 E. Bravin , B. Dehning , R. Jones , T. Lefevre , H. Schmickler

CTA will comprise a sub-array of up to 70 small size telescopes (SSTs) at the southern array. The SST-1M project, a 4 m-diameter Davies Cotton telescope with 9 degrees FoV and a 1296 pixels SiPM camera, is designed to meet the requirements…

Laser spectroscopy studies are being prepared to measure the 1s ground state hyperfine splitting in trapped cold highly charged ions. The purpose of such experiments is to test quantum electrodynamics in the strong electric field regime.…

Clustering of hyperspectral images is a fundamental but challenging task. The recent development of hyperspectral image clustering has evolved from shallow models to deep and achieved promising results in many benchmark datasets. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Yaoming Cai , Zijia Zhang , Yan Liu , Pedram Ghamisi , Kun Li , Xiaobo Liu , Zhihua Cai

We present a new method to achieve high-contrast images using segmented and/or on-axis telescopes. Our approach relies on using two sequential Deformable Mirrors to compensate for the large amplitude excursions in the telescope aperture due…

Instrumentation and Methods for Astrophysics · Physics 2015-06-12 Laurent Pueyo , Colin Norman

We propose the segmented Large Millimeter Telescope (LMT/GTM),as the largest spatial light modulator capable of producing vortex beams of integer topological charge. This observing mode could be applied for direct exoplanet searches in the…

Instrumentation and Methods for Astrophysics · Physics 2017-08-23 Juan P. Treviño , Omar López-Cruz , Sabino Chávez-Cerda

The still unmet ability of following the fate of specific cells or molecules within the whole body would give an outstanding breakthrough in the comprehension of disease mechanisms and in the monitoring of therapeutic approaches. Our idea…

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