English
Related papers

Related papers: Technical note: On the use of polychromatic camera…

200 papers

The emergence of the single-chip polarized color sensor now allows for simultaneously capturing chromatic and polarimetric information of the scene on a monochromatic image plane. However, unlike the usual camera with an embedded…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Sijia Wen , Yinqiang Zheng , Feng Lu

Silicon photomultipliers (SiPMs) have a few advantages over conventional photomultiplier tubes (PMTs) used in imaging atmospheric Cherenkov telescopes. The first notable characteristic is their higher photon detection efficiency (PDE) of up…

Instrumentation and Methods for Astrophysics · Physics 2023-09-19 Akira Okumura , Junya Haga , Chiaki Inoue , Keiji Nishimoto , Kazuhiro Furuta , Hiroyasu Tajima

Ultrasound images are widespread in medical diagnosis for musculoskeletal, cardiac, and obstetrical imaging due to the efficiency and non-invasiveness of the acquisition methodology. However, the acquired images are degraded by acoustic…

Image and Video Processing · Electrical Eng. & Systems 2023-06-14 Hojat Asgariandehkordi , Sobhan Goudarzi , Adrian Basarab , Hassan Rivaz

Multispectral (MS) images capture detailed scene information across a wide range of spectral bands, making them invaluable for applications requiring rich spectral data. Integrating MS imaging into multi camera devices, such as smartphones,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 SaiKiran Tedla , Junyong Lee , Beixuan Yang , Mahmoud Afifi , Michael S. Brown

Purpose: Cherenkov radiation carries the potential of direct in-water dose measurements, but its precision is currently limited by a strong anisotropy. Taking advantage of polarization imaging, this work proposes a new approach for high…

Medical Physics · Physics 2022-10-12 Emily Cloutier , Louis Archambault , Luc Beaulieu

We describe here measurements with a new device, the "dichroicon," a Winston-style light concentrator built out of dichroic reflectors, which could allow large-scale neutrino detectors to sort photons by wavelength with small overall light…

Instrumentation and Detectors · Physics 2020-04-22 Tanner Kaptanoglu , Meng Luo , Ben Land , Amanda Bacon , Josh Klein

A Polarimetric Synthetic Aperture Radar (PolSAR) sensor is able to collect images in different polarization states, making it a rich source of information for target characterization. PolSAR images are inherently affected by speckle.…

Image and Video Processing · Electrical Eng. & Systems 2022-02-16 Adugna G. Mullissa , Claudio Persello , Johannes Reiche

This study introduces a novel hybrid Cerenkov-scintillation dosimeter which is intended to be used for irradiation angle measurements based on the Cerenkov angular dependency. First measurements aimed at validating the ability to account…

Medical Physics · Physics 2022-01-27 Emilie Jean , Simon Lambert-Girard , Francois Therriault-Proulx , Luc Beaulieu

The demand for novel detector mediums such as Water-based Liquid Scintillator (WbLS) has increased over the last few decades due to their capability for both low energy particle interactions and higher light yield. Recently, the usage of…

High Energy Physics - Experiment · Physics 2024-06-14 Emrah Tiras , Merve Tas , Dilara Kizilkaya , Muhammet Anil Yagiz , Mustafa Kandemir

A hybrid dual-readout calorimeter concept, comprising both electromagnetic and hadronic sections, has recently been proposed to meet the performance requirements of experiments at future e$^{+}$e$^{-}$ colliders. The front compartment…

Instrumentation and Detectors · Physics 2026-03-20 Andrea Benaglia , Flavia Cetorelli , Marco Toliman Lucchini , Etiennette Auffray , Louis Roux , Julie Delenne

Multispectral imaging plays an important role in many applications from astronomical imaging, earth observation to biomedical imaging. However, the current technologies are complex with multiple alignment-sensitive components, predetermined…

Optics · Physics 2021-09-17 Sujit Kumar Sahoo , Dongliang Tang , Cuong Dang

This work presents optical calculations and simulations for scintillation detectors used in precision measurements of beta-particle energy spectra. Particular attention is given to Cherenkov photons and the impact of the light detection…

Instrumentation and Detectors · Physics 2025-11-10 S. Vanlangendonck , D. Atanasov , B. Blank , X. Fléchard , M. Kanafani , S. Lecanuet , O. Naviliat-Cuncic , N. Severijns , M. Versteegen

Scintillation detectors with excellent timing resolution enable more precise localization of radiation sources in positron emission tomography, leading to substantial improvements in diagnostic capability for diseases such as cancer and…

Instrumentation and Detectors · Physics 2026-05-28 Yuya Onishi , Ryosuke Ota , Fumio Hashimoto , Kibo Ote , Go Akamatsu , Hideaki Tashima , Taiga Yamaya

Large amount of image denoising literature focuses on single channel images and often experimentally validates the proposed methods on tens of images at most. In this paper, we investigate the interaction between denoising and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Jiqing Wu , Radu Timofte , Zhiwu Huang , Luc Van Gool

Atmospheric scintillation is one of the largest sources of error in ground-based spectrophotometry, reducing the precision of astrophysical signals extracted from the time-series of bright objects to that of much fainter objects. Relative…

Instrumentation and Methods for Astrophysics · Physics 2025-10-14 Jason E. Williams , Nicholas P. Konidaris

Polarization plays an important role in various time-domain astrophysics to understand the magnetic fields, geometry, and environments of spatially unresolved variable sources. In this paper we present the results of laboratory and on-sky…

Instrumentation and Methods for Astrophysics · Physics 2020-04-29 Manisha Shrestha , Iain A. Steele , Andrez S. Piascik , Helen Jermak , Robert J. Smith , Chris M. Copperwheat

Cherenkov imaging enables real-time visualization of megavoltage X-ray or electron beam delivery to the patient during Radiation Therapy (RT). Bio-morphological features, such as vasculature, seen in these images are patient-specific…

Image and Video Processing · Electrical Eng. & Systems 2024-09-10 Shiru Wang , Yao Chen , Lesley A. Jarvis , Yucheng Tang , David J. Gladstone , Kimberley S. Samkoe , Brian W. Pogue , Petr Bruza , Rongxiao Zhang

Dual-readout calorimeters achieve superior energy resolution by simultaneously measuring Cherenkov and scintillation signals for event-by-event electromagnetic fraction correction, making them attractive for next-generation Higgs factories.…

Instrumentation and Detectors · Physics 2026-04-30 Liangyu Wu , Qibin Liu , Marco Toliman Lucchini , Julia Gonski , Marcello Campajola , Stefano Moneta

Imaging polarimetry allows more information to be extracted from a scene than conventional intensity or colour imaging. However, a major challenge of imaging polarimetry is image degradation due to noise. This paper investigates the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-09 Alexander B. Tibbs , Ilse M. Daly , Nicholas W. Roberts , David R. Bull

Despeckling is a crucial noise reduction task in improving the quality of synthetic aperture radar (SAR) images. Directly obtaining noise-free SAR images is a challenging task that has hindered the development of accurate despeckling…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Shunya Kato , Masaki Saito , Katsuhiko Ishiguro , Sol Cummings
‹ Prev 1 2 3 10 Next ›