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Related papers: J-PET analysis framework for the prototype TOF-PET…

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We are exploring a scintillator-based detector with potential of high sensitivity, DOI capability and timing resolution in a single-side readout configuration. Our concept combines: 1) A design with 2+ crystal arrays stacked with relative…

Instrumentation and Detectors · Physics 2021-04-08 L. Bläckberg , S. Sajedi , G. El Fakhri , H. Sabet

In this paper we present prospects for using the J-PET detector to search for discrete symmetries violations in a purely leptonic system of the positronium atom. We discuss tests of CP and CPT symmetries by means of ortho-positronium decays…

Modeling the timing performance of light-based radiation detectors accurately is essential for optimizing time-of-flight positron emission tomography (TOF-PET). We present an analytic framework that combines existing models to predict the…

Instrumentation and Detectors · Physics 2025-10-08 Nicolaus Kratochwil , Emilie Roncali , Gerard Arino-Estrada

Segmentation refinement aims to enhance the initial coarse masks generated by segmentation algorithms. The refined masks are expected to capture more details and better contours of the target objects. Research on segmentation refinement has…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Seonghyeon Moon , Qingze , Liu , Haein Kong , Muhammad Haris Khan

As astronomical data grows in volume and complexity, the scalability of analysis software becomes increasingly important. At the same time, astrophysics analysis software relies heavily on open-source contributions, so languages and tools…

Instrumentation and Methods for Astrophysics · Physics 2024-02-01 Edward Berman , Jacqueline McCleary

Recent advancements in parallel simulation and successful robotic applications are spurring a resurgence in sampling-based model predictive control. To build on this progress, however, the robotics community needs common tooling for…

Robotics · Computer Science 2025-06-23 Albert H. Li , Brandon Hung , Aaron D. Ames , Jiuguang Wang , Simon Le Cleac'h , Preston Culbertson

To create privacy-friendly software designs, architects need comprehensive knowledge of existing privacy-enhancing technologies (PETs) and their properties. Existing works that systemize PETs, however, are outdated or focus on comparison…

Cryptography and Security · Computer Science 2022-06-16 Immanuel Kunz , Andreas Binder

Study of certain angular correlations in the three-photon annihilations of the triplet state of positronium, the electron-positron bound state, may be used as a probe of potential CP and CPT-violating effects in the leptonic sector. We…

Instrumentation and Detectors · Physics 2020-06-02 Aleksander Gajos

Positron Emission Tomography (PET) is a Nuclear Medicine technique that creates images that allow the study of metabolic activity and organ function using radiopharmaceuticals. Continuous improvement of scintillation detectors for radiation…

The TT-PET collaboration is developing a PET scanner for small animals with 30 ps time-of-flight resolution and sub-millimetre 3D detection granularity. The sensitive element of the scanner is a monolithic silicon pixel detector based on…

Purpose: To demonstrate a proton imaging system based on well-established fast scintillator technology to achieve high performance with low cost and complexity, with the potential of a straightforward translation into clinical use. Methods:…

PET is an established medical diagnostic imaging method. Continuous improvements are aimed at refining image reconstruction, reducing the amount of radioactive tracer and combining with targeted therapy. TOF-PET provides the localization of…

Medical Physics · Physics 2021-11-17 Tomasz Matulewicz

Deep learning-based palmprint recognition algorithms have shown great potential. Most of them are mainly focused on identifying samples from the same dataset. However, they may be not suitable for a more convenient case that the images for…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Huikai Shao , Dexing Zhong

Consistency and reliability are crucial for conducting AI research. Many famous research fields, such as object detection, have been compared and validated with solid benchmark frameworks. After AlphaFold2, the protein folding task has…

Biomolecules · Quantitative Biology 2023-08-01 Jaemyung Lee , Kyeongtak Han , Jaehoon Kim , Hasun Yu , Youhan Lee

The integration of Time-of-Flight (TOF) information in the reconstruction process of Positron Emission Tomography (PET) yields improved image properties. However, implementing the cutting-edge model-based deep learning methods for TOF-PET…

Image and Video Processing · Electrical Eng. & Systems 2023-02-22 Chenxu Li , Rui Hu , Jianan Cui , Huafeng Liu

Coincidence time resolution (CTR) in time-of-flight positron emission tomography (TOF-PET) has significantly improved with advancements in scintillators, photodetectors, and readout electronics. Achieving a CTR of 100 ps remains challenging…

Instrumentation and Detectors · Physics 2024-12-25 Yuya Onishi , Ryosuke Ota

In this study we address the feasibility and main properties of a positron emission tomograph (PET) based on RPCs. The concept, making use of the converter-plate principle, takes advantage of the intrinsic layered structure of RPCs and its…

Instrumentation and Detectors · Physics 2009-11-07 A. Blanco , V. Chepel , R. Ferreira-Marques , P. Fonte , M. I. Lopes , V. Peskov , A. Policarpo

Random testing (RT) is a black-box software testing technique that tests programs by generating random test inputs. It is a widely used technique for software quality assurance, but there has been much debate by practitioners concerning its…

Software Engineering · Computer Science 2019-10-01 Jinfu Chen , Hilary Ackah-Arthur , Chengying Mao , Patrick Kwaku Kudjo

Methods: We have developed a software suite (DataSet Tracker) for real-time analysis designed to run on computers, smartphones, and smart glasses hardware and suitable for resource-constrained, on-the-fly computing in microscopes without…

Quantitative Methods · Quantitative Biology 2025-08-13 Alexandre Matov

Positron Emission Tomography (PET) is an important molecular imaging tool widely used in medicine. Traditional PET systems rely on complete detector rings for full angular coverage and reliable data collection. However, incomplete-ring PET…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Yeqi Fang , Rong Zhou