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The paper demonstrates the design and execution of a low-cost optical spectrometer that employs a webcam, diffraction grating & Python (a free, open-source programming language). The device's design prioritized economy and usability, with a…

The increasing importance of artificial intelligence and machine learning in materials research has created demand for automated, high-throughput characterization techniques capable of rapidly generating large data sets. We describe here a…

We propose a method based on deep learning to perform cardiac segmentation on short axis MRI image stacks iteratively from the top slice (around the base) to the bottom slice (around the apex). At each iteration, a novel variant of U-net is…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Qiao Zheng , Hervé Delingette , Nicolas Duchateau , Nicholas Ayache

Molecular and polymeric crystals show a wide range of functional properties that arise from the interplay between the atomic-scale structure of their constituent molecules and the organization of these molecules within the crystal lattice…

Used to store the results of $\mu$SR measurements at TRIUMF, the Muon Data (MUD) file format serves as a useful and flexible scheme that is both lightweight and self-describing. The application programming interface (API) for these files is…

Data Analysis, Statistics and Probability · Physics 2020-04-23 Derek Fujimoto

Sharing a common clock signal among the nodes is crucial for communication in synchronized networks. This work presents a heartbeat-based synchronization scheme for body-worn nodes. The principles of this coordination technique combined…

Networking and Internet Architecture · Computer Science 2020-05-13 Robin Benarrouch , Ali Moin , Flavien Solt , Antoine Frappé , Andreia Cathelin , Andreas Kaiser , Jan Rabaey

The PyProcar Python package plots the band structure and the Fermi surface as a function of site and/or s,p,d,f - projected wavefunctions obtained for each $k$-point in the Brillouin zone and band in an electronic structure calculation.…

Materials Science · Physics 2019-12-23 Uthpala Herath , Pedram Tavadze , Xu He , Eric Bousquet , Sobhit Singh , Francisco Muñoz , Aldo H. Romero

Cardiac arrhythmia, a condition characterized by irregular heartbeats, often serves as an early indication of various heart ailments. With the advent of deep learning, numerous innovative models have been introduced for diagnosing…

Machine Learning · Computer Science 2024-07-31 Yinlong Xu , Xiaoqiang Liu , Zitai Kong , Yixuan Wu , Yue Wang , Yingzhou Lu , Honghao Gao , Jian Wu , Hongxia Xu

A non-invasive yet inexpensive method for heart rate (HR) monitoring is of great importance in many real-world applications including healthcare, psychology understanding, affective computing and biometrics. Face videos are currently…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Puneet Gupta , Brojeshwar Bhowmick , Arpan Pal

Ray tracing is a technique for generating an image by tracing the path of light through pixels in an image plane and simulating the effects of high-quality global illumination at a heavy computational cost. Because of the high computation…

Graphics · Computer Science 2015-04-14 Yutong Qin , Jianbiao Lin , Xiang Huang

Ray tracing (RT) is instrumental in 6G research in order to generate spatially-consistent and environment-specific channel impulse responses (CIRs). While acquiring accurate scene geometries is now relatively straightforward, determining…

We have developed the astrophysical simulation code XFLAT to study neutrino oscillations in supernovae. XFLAT is designed to utilize multiple levels of parallelism through MPI, OpenMP, and SIMD instructions (vectorization). It can run on…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-10-12 Vahid Noormofidi , Susan R. Atlas , Huaiyu Duan

The authors present SHarmonic, a new implementation of the spherical harmonics targeted for electronic-structure calculations. Their approach is to use explicit formulas for the harmonics written in terms of normalized Cartesian…

Computational Physics · Physics 2025-10-08 Xavier Andrade , Jacopo Simoni , Yuan Ping , Tadashi Ogitsu , Alfredo A. Correa

Searches of new physics beyond the Standard Model (SM) performed at low energy frontiers are complementary to experiments carried out at high energy colliders. Among the methods for testing the SM and beyond at low energies are the…

Instrumentation and Detectors · Physics 2018-10-08 D. Rozpedzik , K. Bodek , K. Lojek , M. Perkowski , L. De Keukeleere , L. Hayen , N. Severijns , A. Kozela

The task of heart rate estimation using photoplethysmographic (PPG) signal is challenging due to the presence of various motion artifacts in the recorded signals. In this paper, a fast algorithm for heart rate estimation based on modified…

Signal Processing · Electrical Eng. & Systems 2018-11-28 Mohammad Tariqul Islam , Sk. Tanvir Ahmed , Celia Shahnaz , Shaikh Anowarul Fattah

This work presents the first steps to modelling synthetic rovibrational spectra for all molecules of astrophysical interest using a new approach implemented in the Prometheus code. The goal is to create a new comprehensive source of…

Chemical Physics · Physics 2022-02-02 Thomas M. Cross , David M. Benoit , Marco Pignatari , Brad K. Gibson

The paper presents an analysis of the possible spectra manipulation and its consequence for the specific application of XCT. The focus was on the modification of the registered spectra dominantly by the sewing/stitching method. A model…

Atomic Physics · Physics 2024-06-04 A. J. Arikkat , K. A. Janulewicz , C. M. Kim , P. Wachulak

3D motion estimation from cine cardiac magnetic resonance (CMR) images is important for the assessment of cardiac function and diagnosis of cardiovascular diseases. Most of the previous methods focus on estimating pixel-/voxel-wise motion…

Image and Video Processing · Electrical Eng. & Systems 2022-09-07 Qingjie Meng , Wenjia Bai , Tianrui Liu , Declan P O'Regan , Daniel Rueckert

A multiple instance learning (MIL) method, extended Function of Multiple Instances ($e$FUMI), is applied to ballistocardiogram (BCG) signals produced by a hydraulic bed sensor. The goal of this approach is to learn a personalized heartbeat…

Computer Vision and Pattern Recognition · Computer Science 2016-11-17 Changzhe Jiao , Princess Lyons , Alina Zare , Licet Rosales , Marjorie Skubic

Cardiac MRI segmentation plays a crucial role in clinical diagnosis for evaluating personalized cardiac performance parameters. Due to the indistinct boundaries and heterogeneous intensity distributions in the cardiac MRI, most existing…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Feng Cheng , Cheng Chen , Yukang Wang , Heshui Shi , Yukun Cao , Dandan Tu , Changzheng Zhang , Yongchao Xu