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We introduce a novel method for measuring properties of periodic phenomena with an event camera, a device asynchronously reporting brightness changes at independently operating pixels. The approach assumes that for fast periodic phenomena,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-26 Jakub Kolář , Radim Špetlík , Jiří Matas

This study proposes the IoT-Enhanced Pose Optimization Network (IE-PONet) for high-precision 3D pose estimation and motion optimization of track and field athletes. IE-PONet integrates C3D for spatiotemporal feature extraction, OpenPose for…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Fei Ren , Chao Ren , Tianyi Lyu

Positron emission tomography (PET) is widely used in various clinical applications, including cancer diagnosis, heart disease and neuro disorders. The use of radioactive tracer in PET imaging raises concerns due to the risk of radiation…

Computer Vision and Pattern Recognition · Computer Science 2017-12-13 Junshen Xu , Enhao Gong , John Pauly , Greg Zaharchuk

The problem of finding the expected value of a statistic of a locally stable point process in a bounded region is addressed. We propose an adaptive importance sampling for solving the problem. In our proposal, we restrict the importance…

Machine Learning · Statistics 2025-03-04 Hee-Geon Kang , Sunggon Kim

We present $\texttt{SBi3PCF}$, a simulation-based inference (SBI) framework for analysing a higher-order weak lensing statistic, the integrated 3-point correlation function (i3PCF). Our approach forward-models the cosmic shear field using…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-27 David Gebauer , Anik Halder , Stella Seitz , Dhayaa Anbajagane

Methods for estimating heterogeneous treatment effect in observational data have largely focused on continuous or binary outcomes, and have been relatively less vetted with survival outcomes. Using flexible machine learning methods in the…

Applications · Statistics 2021-07-09 Liangyuan Hu , Jiayi Ji , Fan Li

Explicit treatment of many-body Fermi statistics in path integral Monte Carlo (PIMC) results in exponentially scaling computational cost due to the near cancellation of contributions to observables from even and odd permutations. Through…

Strongly Correlated Electrons · Physics 2014-09-12 Jonathan L DuBois , Ethan W. Brown , Berni J. Alder

Most of today's wearable technology provides seamless cardiac activity monitoring. Specifically, the vast majority employ Photoplethysmography (PPG) sensors to acquire blood volume pulse information, which is further analysed to extract…

Human-Computer Interaction · Computer Science 2023-09-26 Jose A. Miranda , Celia López-Ongil , Javier Andreu-Perez

Idiopathic pulmonary fibrosis (IPF) is a progressive disease that irreversibly transforms lung tissue into rigid fibrotic structures, leading to debilitating symptoms such as shortness of breath and chronic fatigue. The heterogeneity and…

Image and Video Processing · Electrical Eng. & Systems 2025-10-28 Mahdie Dolatabadi , Shahabedin Nabavi , Mohsen Ebrahimi Moghaddam

Subject-specific modeling is a powerful tool in cardiovascular research, providing insights beyond the reach of current clinical diagnostics. Limitations in available clinical data require the incorporation of uncertainty into models to…

Applications · Statistics 2025-07-16 Amirreza Kachabi , Sofia Altieri Correa , Naomi C. Chesler , Mitchel J. Colebank

The objective of this study is to jointly analyze the data rate and electromagnetic field (EMF) exposure in urban environments. Capitalizing on stochastic geometry (SG), a network level analysis is performed by modelling these environments…

Signal Processing · Electrical Eng. & Systems 2023-01-27 Charles Wiame , Simon Demey , Luc Vandendorpe , Philippe De Doncker , Claude Oestges

Positron Emission Tomography (PET) using time-of-flight information, which can greatly improve the quality of the reconstructed image, has recently become an exciting topic. In this work, 3.2mm*3.2mm*25mm finger-like LYSO crystals were used…

Instrumentation and Detectors · Physics 2015-07-17 Liu Jun-Hui , Xu Jiong-Hui , Cheng Feng-Feng , Li Dao-Wu , Zhang Zhi-Ming , Wang Bao-Yi , Wei Long

We propose an 'automatic' approach to analyze the results of the on-the-fly trajectory surface hopping simulation on the multi-channel nonadiabatic photoisomerization dynamics by considering the trajectory similarity and the configuration…

Chemical Physics · Physics 2019-01-30 Xusong Li , Deping Hu , Yu Xie , Zhenggang Lan

The escalating global cancer burden underscores the critical need for precise diagnostic tools in oncology. This research employs deep learning to enhance lesion segmentation in PET/CT imaging, utilizing a dataset of 900 whole-body…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Jiayi Liu , Qiaoyi Xue , Youdan Feng , Tianming Xu , Kaixin Shen , Chuyun Shen , Yuhang Shi

In this paper, we present our approach to systematically measure numerous performance parameters of MCP-PMTs. The experimental setups, the analyses and selected results are discussed. Although the techniques used may be different in other…

Instrumentation and Detectors · Physics 2024-07-08 A. Lehmann , M. Böhm , M. Götz , K. Gumbert , S. Krauss , D. Miehling , M. Pfaffinger

Clinical data elements (CDEs) (e.g., age, smoking history), blood markers and chest computed tomography (CT) structural features have been regarded as effective means for assessing lung cancer risk. These independent variables can provide…

Image and Video Processing · Electrical Eng. & Systems 2021-02-11 Riqiang Gao , Yucheng Tang , Kaiwen Xu , Michael N. Kammer , Sanja L. Antic , Steve Deppen , Kim L. Sandler , Pierre P. Massion , Yuankai Huo , Bennett A. Landman

Deep learning-based positron emission tomography (PET) image denoising offers the potential to reduce radiation exposure and scanning time by transforming low-count images into high-count equivalents. However, existing methods typically…

Image and Video Processing · Electrical Eng. & Systems 2025-03-06 Menghua Xia , Huidong Xie , Qiong Liu , Bo Zhou , Hanzhong Wang , Biao Li , Axel Rominger , Quanzheng Li , Ramsey D. Badawi , Kuangyu Shi , Georges El Fakhri , Chi Liu

Positron Emission Tomography (PET) enables functional imaging of deep brain structures, but the bulk and weight of current systems preclude their use during many natural human activities, such as locomotion. The proposed long-term solution…

Robotics · Computer Science 2023-12-01 Junxiang Wang , Ti Wu , Iulian I. Iordachita , Peter Kazanzides

Different change-point type models encountered in statistical inference for stochastic processes give rise to different limiting likelihood ratio processes. In a previous paper of one of the authors it was established that one of these…

Statistics Theory · Mathematics 2012-11-06 Serguei Dachian , Ilia Negri

PET imaging is a non-invasive technique for particle range verification in proton therapy. It is based on measuring the beta+ annihilations caused by nuclear interactions of the protons in the patient. In this work we present measurements…