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Related papers: PyPAS -- Python package for Positron Annihilation …

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PypeIt is a Python package for semi-automated reduction of astronomical, spectroscopic data. Its algorithms build on decades-long development of previous data reduction pipelines by the developers (Bernstein, Burles, & Prochaska, 2015;…

Instrumentation and Methods for Astrophysics · Physics 2020-05-20 J. Xavier Prochaska , Joseph F. Hennawi , Kyle B. Westfall , Ryan J. Cooke , Feige Wang , Tiffany Hsyu , Frederick B. Davies , Emanuele Paolo Farina

The disperse structure distributions (discreteness) and variant scattering characteristics (variability) of SAR airplane targets lead to special challenges of object detection and recognition. The current deep learning-based detectors…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Zhongling Huang , Long Liu , Shuxin Yang , Zhirui Wang , Gong Cheng , Junwei Han

Data limitation is a significant challenge in applying deep learning to medical images. Recently, the diffusion probabilistic model (DPM) has shown the potential to generate high-quality images by converting Gaussian random noise into…

Computer Vision and Pattern Recognition · Computer Science 2024-08-26 Sepehr Salem Ghahfarokhi , Tyrell To , Julie Jorns , Tina Yen , Bing Yu , Dong Hye Ye

Metal artifacts in Dental CBCT severely obscure anatomical structures, hindering diagnosis. Current deep learning for Metal Artifact Reduction (MAR) faces limitations: supervised methods suffer from spectral blurring due to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Zhi Li , Yaqi Wang , Bingtao Ma , Yifan Zhang , Huiyu Zhou , Shuai Wang

We present a Python module named PyCheb, to solve the ordinary differential equations by using spectral collocation method. PyCheb incorporates discretization using Chebyshev points, barycentric interpolation and iterate methods. With this…

Mathematical Software · Computer Science 2016-11-07 Shaohui Liu , Tianshi Wang , Youran Zhang

The Python Battery Optimisation and Parameterisation (PyBOP) package provides methods for estimating and optimising battery model parameters, offering both deterministic and stochastic approaches with example workflows to assist users.…

Systems and Control · Electrical Eng. & Systems 2026-01-16 Brady Planden , Nicola E. Courtier , Martin Robinson , Agriya Khetarpal , Ferran Brosa Planella , David A. Howey

Major advancements in fields as diverse as biology and quantum computing have relied on a multitude of microscopic techniques. All optical, electron and scanning probe microscopy advanced with new detector technologies and integration of…

Instrumentation and Detectors · Physics 2023-03-01 Rama Vasudevan , Mani Valleti , Maxim Ziatdinov , Gerd Duscher , Suhas Somnath

We use the beam model of Doppler backscattering (DBS), which was previously derived from beam tracing and the reciprocity theorem, to shed light on mismatch attenuation. This attenuation of the backscattered signal occurs when the…

Intrinsically Disordered Proteins (IDPs) perform a broad range of biological functions. Their relevance has motivated intense research activity seeking to characterize their sequence/structure/function relationships. However, the…

In this article, we develop an analytical radiation-pattern model for pinching-antenna systems (PASS) based on a two-dimensional dielectric slab waveguide. The model is derived in two steps. First, we employ coupled-mode theory (CMT) to…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Muhammad Zubair , Vasilis K. Papanikolaou , Robert Schober

In oncology, Positron Emission Tomography imaging is widely used in diagnostics of cancer metastases, in monitoring of progress in course of the cancer treatment, and in planning radiotherapeutic interventions. Accurate and reproducible…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Jakub Czakon , Filip Drapejkowski , Grzegorz Zurek , Piotr Giedziun , Jacek Zebrowski , Witold Dyrka

In this work we continue our investigations of the possibility of explanation of the positron anomaly (PA) in cosmic rays with the help of annihilating or decaying dark matter (DM) component by varying its space distribution. In the…

High Energy Astrophysical Phenomena · Physics 2025-12-19 K. M. Belotsky , F. V. Kostromin , M. L. Solovyov

The influence of detector setup configuration and scintillator material choice on spectrum quality in Positron Annihilation Lifetime Spectroscopy (PALS) is fundamentally acknowledged primarily by empirical observation. However, this study…

Instrumentation and Detectors · Physics 2024-12-24 Dominik Boras

While continuous diffusion models have achieved remarkable success, discrete diffusion offers a unified framework for jointly modeling text and images. Beyond unification, discrete diffusion provides faster inference, finer control, and…

Multi-modal Probabilistic Active Sensing (MMPAS) uses sensor fusion and probabilistic models to control the perception process of robotic sensing platforms. MMPAS is successfully employed in environmental exploration, collaborative mobile…

Robotics · Computer Science 2021-03-30 Luca Varotto , Angelo Cenedese

Existing computational spectral imaging systems typically rely on coded aperture and beam splitters that block a substantial fraction of incident light, degrading reconstruction quality under light-starved conditions. To address this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Jiuyun Zhang , Zhan Shi , Linsen Chen , Xun Cao

The data analysis software (DAS) for VLT ESPRESSO is aimed to set a new benchmark in the treatment of spectroscopic data towards the extremely-large-telescope era, providing carefully designed, fully interactive recipes to take care of…

Positron physics touches on a wide-ranging variety of fields from materials science to medical imaging to high energy physics. In this paper we present the development of a flexible positron annihilation spectrometer appropriate for the…

Physics Education · Physics 2018-08-01 Jason Engbrecht , Nathaniel Hillson

Probabilistic amplitude shaping (PAS) is a practical means to achieve a shaping gain in optical fiber communication. However, PAS and shaping in general also affect the signal-dependent generation of nonlinear interference. This provides an…

Information Theory · Computer Science 2023-04-18 Mohammad Taha Askari , Lutz Lampe , Jeebak Mitra

The electronic properties of two-dimensional (2D) materials depend sensitively on the underlying atomic arrangement down to the monolayer level. Here we present a novel strategy for the determination of the band gap and complex dielectric…