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A method for quantum corrections of Hanbury-Brown/Twiss (HBT) interferometric radii produced by semi-classical event generators is proposed. These corrections account for the basic indistinguishability and mutual coherence of closely…

High Energy Physics - Phenomenology · Physics 2013-07-29 V. M. Shapoval , P. Braun-Munzinger , Iu. A. Karpenko , Yu. M. Sinyukov

The main task of an energy calibration is to find a relation between pulse-height values and the corresponding energies. Doing this for each pulse-height channel individually requires an elaborated input spectrum with an excellent counting…

Instrumentation and Detectors · Physics 2016-02-17 Daniel Maier , Olivier Limousin

Due to its wide field of view, cone-beam computed tomography (CBCT) is plagued by large amounts of scatter, where attenuated photons hit the detector, and corrupt the linear models used for reconstruction. Given that one can generate a good…

Medical Physics · Physics 2017-07-06 Jonathan Mason , Alessandro Perelli , William Nailon , Mike Davies

Spectral enhancement -- which aims to undo spectral broadening -- leads to integral equations which are ill-posed and require special regularisation techniques for their solution. Even when an optimal regularisation technique is used,…

Numerical Analysis · Mathematics 2009-11-16 Markus Hegland

Extreme Ultraviolet (EUV) lithography is the state-of-the-art process in semiconductor fabrication, yet its spatial resolution is fundamentally limited by the ``blur'' originating from absorption of photons at 92 eV, which induce physical…

Photon Counting Detectors (PCDs) open new opportunities in X-ray imaging. Pixie III is a PCD using simultaneously two energy thresholds. This enables to acquire images using two distinct energy bins in a single exposure and allows to…

Instrumentation and Detectors · Physics 2023-02-15 Rémi Granger , Luc Salvo , Sabine Rolland du Roscoat , Pierre Lhuissier

Hybrid controlled trials (HCTs), which augment randomized controlled trials (RCTs) with external controls (ECs), are increasingly receiving attention as a way to address limited power, slow accrual, and ethical concerns in clinical…

Methodology · Statistics 2025-05-02 Jiajun Liu , Ke Zhu , Shu Yang , Xiaofei Wang

Approximation of the previously estimated excess specific heat C^{excess}/T^{5} of two fluoropolymers, PTFE and PCTFE, is presented using Orthonormal Polynomial Expansion Method (OPEM). The new type of weighting functions in OPEM involves…

Computational Physics · Physics 2008-11-12 Nina B. Bogdanova , B. M. Terziyska

The high beam current and sub-angstrom resolution of aberration-corrected scanning transmission electron microscopes has enabled electron energy loss spectroscopic (EELS) mapping with atomic resolution. These spectral maps are often…

Materials Science · Physics 2023-07-19 Paul Cueva , Robert Hovden , Julia A. Mundy , Huolin L. Xin , David A. Muller

X-ray energy spectrum plays an essential role in imaging and related tasks. Due to the high photon flux of clinical CT scanners, most of the spectrum estimation methods are indirect and are usually suffered from various limitations. The…

Medical Physics · Physics 2016-04-19 Wei Zhao , Qiude Zhang , Tianye Niu

X-ray photon-counting detector (PCD) offers low noise, high resolution, and spectral characterization, representing a next generation of CT and enabling new biomedical applications. It is well known that involuntary patient motion may…

Medical Physics · Physics 2022-10-20 Mengzhou Li , Chiara Lowe , Anthony Butler , Phil Butler , Ge Wang

We propose a model-agnostic, progressive test-time energy adaptation approach for medical image segmentation. Maintaining model performance across diverse medical datasets is challenging, as distribution shifts arise from inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Xiaoran Zhang , Byung-Woo Hong , Hyoungseob Park , Daniel H. Pak , Anne-Marie Rickmann , Lawrence H. Staib , James S. Duncan , Alex Wong

Accurate, low-latency estimates of the instantaneous phase of oscillations are essential for closed-loop sensing and actuation, including (but not limited to) phase-locked neurostimulation and other real-time applications. The…

Signal Processing · Electrical Eng. & Systems 2026-01-21 Eike Osmers , Dorothea Kolossa

A method for circular e$^-$/e$^+$ accelerator beam energy measurement is proposed. Coordinate of an electron (or a positron) in a focusing magnetic spectrometer built in a circular accelerator depends on its energy, two spectrometer…

Instrumentation and Detectors · Physics 2017-09-13 V. V. Kaminskiy , N. Yu. Muchnoi , V. N. Zhilich

Error correction codes (ECC) are crucial for ensuring reliable information transmission in communication systems. Choukroun & Wolf (2022b) recently introduced the Error Correction Code Transformer (ECCT), which has demonstrated promising…

Machine Learning · Computer Science 2024-10-10 Matan Levy , Yoni Choukroun , Lior Wolf

The use of dual-energy CT (DECT) potentially decreases range uncertainties in proton and ion therapy treatment planning via determination of the involved physical target quantities. For eventual clinical application, the correct treatment…

Medical Physics · Physics 2016-05-19 Christian Möhler , Patrick Wohlfahrt , Christian Richter , Steffen Greilich

With the recently emerging global interest in building a next generation of circular electron-positron colliders to study the properties of the Higgs boson, and other important topics in particle physics at ultra-high beam energies, it is…

Accelerator Physics · Physics 2015-05-25 Zhe Duan , Mei Bai , Desmond P. Barber , Qing Qin

This paper presents optimization issues of energy detection (ED) thresholds in cooperative spectrum sensing (CSS) with regard to general Gaussian noise. Enhanced ED thresholds are proposed to overcome sensitivity of multiple noise…

Information Theory · Computer Science 2018-01-01 He Huang

A number of problems in computer vision and related fields would be mitigated if camera spectral sensitivities were known. As consumer cameras are not designed for high-precision visual tasks, manufacturers do not disclose spectral…

Image and Video Processing · Electrical Eng. & Systems 2023-07-13 Grigory Solomatov , Derya Akkaynak

Conformal prediction (CP) provides a comprehensive framework to produce statistically rigorous uncertainty sets for black-box machine learning models. To further improve the efficiency of CP, conformal correction is proposed to fine-tune or…

Machine Learning · Computer Science 2025-12-03 Senrong Xu , Tianyu Wang , Zenan Li , Yuan Yao , Taolue Chen , Feng Xu , Xiaoxing Ma
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