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Purpose: Navigating urban environments poses significant challenges for individuals who are blind or have low vision, especially in areas affected by construction. Construction zones introduce hazards such as uneven surfaces, barriers,…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Junchi Feng , Giles Hamilton-Fletcher , Nikhil Ballem , Michael Batavia , Yifei Wang , Jiuling Zhong , Maurizio Porfiri , John-Ross Rizzo

We propose here a set of new methods to directly detect light mass dark matter through its scattering with abundant atmospheric muons or accelerator beams. Firstly, we plan to use the free cosmic-ray muons interacting with dark matter in a…

Recent developments in photo-detectors and photo-detector systems are reviewed. The main emphasis is made on Silicon Photo-Multipliers (SiPM) - novel and very attractive photo-detectors. Their main features are described. Properties of…

Instrumentation and Detectors · Physics 2009-06-23 M. Danilov

We present a simple method to accurately infer line of sight (LOS) integrated lensing effects for galaxy scale strong lens systems through image reconstruction. Our approach enables us to separate weak lensing LOS effects from the main…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-02 Simon Birrer , Cyril Welschen , Adam Amara , Alexandre Refregier

This article aims to cover pupillography, and its potential use in a number of ophthalmological diagnostic applications in biomedical space. With the ever-increasing incorporation of technology within our daily lives and an ever-growing…

Computers and Society · Computer Science 2024-10-17 Usama Younus , Nirupam Roy

Recent advances in CMOS technology have potential to significantly increase the performance, at low-cost, of an astronomical space telescope. Arrays of sensors in space missions are typically contiguous and act as a monolithic detector. A…

Instrumentation and Methods for Astrophysics · Physics 2025-09-01 Maggie Y. Kautz , Douglas Kelly , Heejoo Choi , Young Sik Kim , Fernando Coronado , Cameron C. Ard , Patrick Ingraham , Daewook Kim , Ewan S. Douglas

Slow-light enhanced absorption in liquid-infiltrated photonic crystals has recently been proposed as a route to compensate for the reduced optical path in typical lab-on-a-chip systems for bio-chemical sensing applications. A simple…

Optics · Physics 2008-02-06 Jesper Pedersen , Sanshui Xiao , Niels Asger Mortensen

Object detection in 3D with stereo cameras is an important problem in computer vision, and is particularly crucial in low-cost autonomous mobile robots without LiDARs. Nowadays, most of the best-performing frameworks for stereo 3D object…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Yuxuan Liu , Lujia Wang , Ming Liu

A wealth of physics results have already been obtained from the LHC, due to the excellent performance of the collider and its experiments. Even more results are expected to be achievable in the phase of the high-luminosity LHC (HL-LHC). It…

High Energy Physics - Experiment · Physics 2021-05-26 Susanne Kuehn

We derive a set of criteria to decide whether a given projection measurement can be, in principle, exactly implemented solely by means of linear optics. The derivation can be adapted to various detection methods, including photon counting…

Quantum Physics · Physics 2016-08-16 Peter van Loock , Norbert Lütkenhaus

One of the main functions of the LHC beam loss measurement system is the protection of equipment against damage caused by impacting particles creating secondary showers and their energy dissipation in the matter. Reliability requirements…

Accelerator Physics · Physics 2016-08-11 B. Dehning

With the increases in the LHC instantaneous luminosity, maintaining effective triggering and avoiding dead time will become especially challenging. As the sensitivity of many physics studies, depends critically on the ability to maintain…

Instrumentation and Detectors · Physics 2013-10-09 A. Castaneda

This letter presents a novel detection strategy for Spatially-Multiplexed Generalized Spatial Modulation systems. It is a multi-stage detection that produces a list of candidates of the transmitted signal vector, sorted according to the…

Information Theory · Computer Science 2015-04-21 João Cal-Braz , Raimundo Sampaio-Neto

As object detectors rapidly improve, attention has expanded past image-only networks to include a range of 3D and multimodal frameworks, especially ones that incorporate LiDAR. However, due to cost, logistics, and even some safety…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Matthew Levine

We report on studies of non-toxic scintillating liquid useful for large surface detectors. Arrays of liquid scintillators offer a rather simple tool for detecting charged particles traversing a surface and tracking their path through a…

Instrumentation and Detectors · Physics 2022-03-21 Yan Benhammou , Erez Etzion , Gilad Mizrachi , Meny Raviv Moshe , Yiftah Silver

Mirrors can degrade the performance of computer vision models, but research into detecting them is in the preliminary phase. YOLOv4 achieves phenomenal results in terms of object detection accuracy and speed, but it still fails in detecting…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Fengze Li , Jieming Ma , Zhongbei Tian , Ji Ge , Hai-Ning Liang , Yungang Zhang , Tianxi Wen

We investigate light scattering under nanofocusing in the context of coherent spectroscopy. We discuss the different mechanisms that may enhance the signal in extinction and how these depend on nanofocusing as well as on the probed system.…

Optics · Physics 2012-06-22 Ahmad Mohammadi , Mario Agio

Ground-layer adaptive optics (GLAO) systems offer the possibility of improving the "seeing" of large ground-based telescopes and increasing the efficiency and sensitivity of observations over a wide field-of-view. We explore the utility and…

Instrumentation and Methods for Astrophysics · Physics 2018-07-25 J. R. Lu , M. Chun , S. M. Ammons , K. Bundy , R. Dekany , T. Do , D. Gavel , M. Kassis , O. Lai , C. L. Martin , C. Max , C. Steidel , L. Wang , K. Westfall , P. Wizinowich

Liquid xenon time-projection chambers are the world's most sensitive detectors for a wide range of dark matter candidates. We show that the statistical analysis of their data can be improved by replacing detector response Monte Carlo…

Instrumentation and Detectors · Physics 2020-11-04 J. Aalbers , B. Pelssers , V. C. Antochi , P. L. Tan , J. Conrad

Photonic circuits can be much faster than their electronic counterparts, but they are difficult to miniaturize below the optical wavelength scale. Nanoscale photonic circuits based on surface plasmon polaritons (SPs) are a promising…

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