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We propose a framework for compressive sensing of images with local distinguishable objects, such as stars, and apply it to solve a problem in celestial navigation. Specifically, let x be an N-pixel real-valued image, consisting of a small…

Computational Geometry · Computer Science 2012-08-14 Rishi Gupta , Piotr Indyk , Eric Price , Yaron Rachlin

We present the Agile REconstruction Method (AREM) for gamma-ray (30 MeV - 50 GeV) direction reconstruction applicable to high-resolution Silicon Tracker detectors in space. It can be used in a "fast mode", independently of Kalman filters…

Astrophysics · Physics 2011-07-19 Carlotta Pittori , Marco Tavani

Proton computed tomography (pCT) is a novel imaging modality developed for patients receiving proton radiation therapy. The purpose of this work was to investigate hull-detection algorithms used for preconditioning of the large and sparse…

Computer Vision and Pattern Recognition · Computer Science 2014-02-10 Blake Schultze , Micah Witt , Yair Censor , Reinhard Schulte , Keith Evan Schubert

In this study, we have developed a new sub-MeV neutron detector that has a high position resolution, energy resolution, directional sensitivity, and low background. The detector is based on a super-fine-grained nuclear emulsion, called the…

Instrumentation and Detectors · Physics 2022-09-01 T. Shiraishi , I. Todoroki , T. Naka , A. Umemoto , R. Kobayashi , O. Sato

Treatment planning systems at proton-therapy centres generally use X-ray computed tomography (CT) as primary imaging technique to infer the proton treatment doses to tumour and healthy tissues. However, proton stopping powers in the body,…

Multi-gap Resistive Plate Chamber(MRPC) is a widely used timing detector with a typical time resolution of about 60 ps. This makes MRPC an optimal choice for the time of flight(ToF) system in many large physics experiments. The prior work…

Instrumentation and Detectors · Physics 2019-09-04 Fuyue Wang , Dong Han , Yi Wang , Yancheng Yu , Baohong Guo , Yuanjing Li

Orthogonal-strip planar high-purity germanium (HPGe) detectors can reconstruct three-dimensional (3D) positions of photon interactions through analysis of parameters extracted from multiple charge signals. The conventional method…

Instrumentation and Detectors · Physics 2025-07-25 Qiuli Zhang , Peng Zhang , Wenhhan Dai , Mingxin Yang , Yang Tian , Ming Zeng , Hao Ma , Zhi Zeng

With recent advances in dynamic scanning probe microscopy techniques, it is now a routine to image the sub-molecular structure of molecules with atomically-engineered tips which are prepared via controlled modification of the tip…

Applied Physics · Physics 2019-03-06 Omur E. Dagdeviren

An image or volume of interest in positron emission tomography (PET) is reconstructed from pairs of gamma rays emitted from a radioactive substance. Many image reconstruction methods are based on estimation of pixels or voxels on some…

Signal Processing · Electrical Eng. & Systems 2019-06-18 Azra Tafro , Damir Seršić , Ana Sović Kržić

Single Photon Emission Computed Tomography (SPECT) is one of the nuclear medicine imaging modalities used for functional analysis of animal and human organs. Gamma rays emitted from the scanned body are filtered with collimators and…

Image and Video Processing · Electrical Eng. & Systems 2020-12-15 Manu Francis , Muhammed Tarek , Mark Pickering , Murat Tahtali

Generation of super-resolution (SR) ultrasound (US) images, created from the successive local-ization of individual microbubbles in the circulation, has enabled the visualization of microvascular structure and flow at a level of detail that…

Image and Video Processing · Electrical Eng. & Systems 2024-06-19 Scott Schoen , Zhigen Zhao , Ashley Alva , Chengwu Huang , Shigao Chen , Costas Arvanitis

A negative ion micro time projection chamber (NI$\mu$TPC) was developed and its performance studied. An NI$\mu$TPC is a novel technology that enables the measurement of absolute $z$ coordinates for self-triggering TPCs. This technology…

Instrumentation and Detectors · Physics 2022-04-14 T. Ikeda , T. Shimada , H. Ishiura , K. D. Nakamura , T. Nakamura , K. Miuchi

Near-infrared (NIR) hyperspectral imaging is widely used to reveal morphological and chemical information. However, conventional spectral imagers usually rely on costly focal plane arrays and suffer from data redundancy and inefficiencies…

Optics · Physics 2026-05-26 Ben Sun , Kun Huang , Zhibin Zhao , Beibei Dong , Jianan Fang , Heping Zeng

The recently introduced Spatial Spectral Compressive Spectral Imager (SSCSI) has been proposed as an alternative to carry out spatial and spectral coding using a binary on-off coded aperture. In SSCSI, the pixel pitch size of the coded…

Image and Video Processing · Electrical Eng. & Systems 2019-01-16 Edgar Salazar , Alejandro Parada-Mayorga , Gonzalo R. Arce

The VAMOS++ magnetic spectrometer is characterized by a large angular and momentum acceptance and highly non-linear ion optics properties requiring the use of software ion trajectory reconstruction methods to measure the ion magnetic…

Instrumentation and Detectors · Physics 2025-04-01 M. Rejmund , A. Lemasson

The High Energy cosmic-Radiation Detection (HERD) facility is a dedicated high energy astronomy and particle physics experiment planned to be installed on the Chinese space station, aiming to detect high-energy cosmic rays (GeV $\sim$ PeV)…

Instrumentation and Methods for Astrophysics · Physics 2024-12-30 Longkun Yu , Chenxing Zhang , Dongya Guo , Yaqing Liu , Wenxi Peng , Zhigang Wang , Bing Lu , Rui Qiao , Ke Gong , Jing Wang , Shuai Yang , Yongye Li

We applied Thick Target Inverse Kinematics Method for a study of resonances decaying through neutron emission. As a test we used a well-studied, because of its role in s-process in stars, $^{13}$C($\alpha$; n) reaction. The observed energy…

A series of test experiments on three different Si-based neutron detectors, namely a 1-d 128 channel, 0.5 mm space resolution Si microstrip sensor coupled to natural Gd converter, a medium size ? 1 cm2 PIN diode coupled to nGd2O3 or…

Instrumentation and Detectors · Physics 2018-05-04 G. Mauri , M. Mariotti , F. Casinini , F. Sacchetti , C. Petrillo

This paper presents the reconstruction and performance evaluation of the FASER$\nu$ emulsion detector, which aims to measure interactions from neutrinos produced in the forward direction of proton-proton collisions at the CERN Large Hadron…

Instrumentation and Detectors · Physics 2025-05-05 FASER Collaboration , Roshan Mammen Abraham , Xiaocong Ai , Saul Alonso Monsalve , John Anders , Claire Antel , Akitaka Ariga , Tomoko Ariga , Jeremy Atkinson , Florian U. Bernlochner , Tobias Boeckh , Jamie Boyd , Lydia Brenner , Angela Burger , Franck Cadou , Roberto Cardella , David W. Casper , Charlotte Cavanagh , Xin Chen , Kohei Chinone , Dhruv Chouhan , Andrea Coccaro , Stephane Débieu , Ansh Desai , Sergey Dmitrievsky , Radu Dobre , Monica D'Onofrio , Sinead Eley , Yannick Favre , Deion Fellers , Jonathan L. Feng , Carlo Alberto Fenoglio , Didier Ferrere , Max Fieg , Wissal Filali , Elena Firu , Haruhi Fujimori , Edward Galantay , Ali Garabaglu , Stephen Gibson , Sergio Gonzalez-Sevilla , Yuri Gornushkin , Carl Gwilliam , Daiki Hayakawa , Michael Holzbock , Shih-Chieh Hsu , Zhen Hu , Giuseppe Iacobucci , Tomohiro Inada , Luca Iodice , Sune Jakobsen , Hans Joos , Enrique Kajomovitz , Takumi Kanai , Hiroaki Kawahara , Alex Keyken , Felix Kling , Daniela Köck , Pantelis Kontaxakis , Umut Kose , Rafaella Kotitsa , Peter Krack , Susanne Kuehn , Thanushan Kugathasan , Lorne Levinson , Botao Li , Jinfeng Liu , Yi Liu , Margaret S. Lutz , Jack MacDonald , Chiara Magliocca , Toni Mäkelä , Lawson McCoy , Josh McFayden , Andrea Pizarro Medina , Matteo Milanesio , Théo Moretti , Keiko Moriyama , Mitsuhiro Nakamura , Toshiyuki Nakano , Laurie Nevay , Motoya Nonaka , Yuma Ohara , Ken Ohashi , Kazuaki Okui , Hidetoshi Otono , Hao Pang , Lorenzo Paolozzi , Pawan Pawan , Brian Petersen , Titi Preda , Markus Prim , Michaela Queitsch-Maitland , Juan Rojo , Hiroki Rokujo , André Rubbia , Jorge Sabater-Iglesias , Osamu Sato , Paola Scampoli , Kristof Schmieden , Matthias Schott , Christiano Sebastiani , Anna Sfyrla , Davide Sgalaberna , Mansoora Shamim , Savannah Shively , Yosuke Takubo , Noshin Tarannum , Ondrej Theiner , Simon Thor , Eric Torrence , Oscar Ivan Valdes Martinez , Svetlana Vasina , Benedikt Vormwald , Yuxiao Wang , Eli Welch , Monika Wielers , Benjamin James Wilson , Jialin Wu , Johannes Martin Wuthrich , Yue Xu , Stefano Zambito , Shunliang Zhang , Xingyu Zhao

The major advantage of proton therapy over conventional radiotherapy is the dose deposition pattern, enabling precise coverage of the tumour volume while sparing nearby healthy tissues. However, accurate control of the proton beam range…

Medical Physics · Physics 2025-04-01 Magdalena Kołodziej