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Age estimation is a classic learning problem in computer vision. Many larger and deeper CNNs have been proposed with promising performance, such as AlexNet, VggNet, GoogLeNet and ResNet. However, these models are not practical for the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-12 Chao Zhang , Shuaicheng Liu , Xun Xu , Ce Zhu

We numerically study the radiative properties of the reverberation phase of pulsar wind nebulae. Reverberation brings a significant evolution in a short period of time. We show that even the Crab nebula, associated to the more energetic…

High Energy Astrophysical Phenomena · Physics 2018-09-05 Diego F. Torres , Tingting Lin

We are developing time- and energy-resolved near-IR/optical/UV photon detectors based on sharp superconducting-normal transition edges in thin films. We report observations of the Crab pulsar made during prototype testing at the McDonald…

Astrophysics · Physics 2016-08-30 Roger W. Romani , A. J. Miller , B. Cabrera , S. W. Nam , John M. Martinis

Conformal prediction is an uncertainty quantification method that constructs a prediction set for a previously unseen datum, ensuring the true label is included with a predetermined coverage probability. Adaptive conformal prediction has…

Machine Learning · Computer Science 2024-11-07 Erfan Hajihashemi , Yanning Shen

Climate change impact studies inform policymakers on the estimated damages of future climate change on economic, health and other outcomes. In most studies, an annual outcome variable is observed, e.g. agricultural yield, along with a…

Methodology · Statistics 2023-04-24 Xiaomeng Cui , Bulat Gafarov , Dalia Ghanem , Todd Kuffner

Many pulsar folding algorithms are currently deployed to generate strong SNRs for the total intensity profiles. But they require large observation times to improve the SNR effectively. New approaches to de-noise the pulsar total intensity…

High Energy Astrophysical Phenomena · Physics 2021-08-03 Amitesh Singh , Kamlesh N Pathak

This work presents a nonlinear system identification framework for modeling the power extraction dynamics of wind turbines, including both freestream and waked conditions. The approach models turbine dynamics using data-driven power…

Systems and Control · Electrical Eng. & Systems 2025-10-10 Sebastiano Randino , Lorenzo Schena , Nicolas Coudou , Emanuele Garone , Miguel Alfonso Mendez

The first step to realize automatic experimental data analysis for fusion plasma experiments is fitting noisy data of temperature and density spatial profiles, which are obtained routinely. However, it has been difficult to construct…

Plasma Physics · Physics 2019-07-24 Keisuke Fujii , Chihiro Suzuki , Masahiro Hasuo

In this paper we explore the evolution of a PWN while the pulsar is spinning down. An MHD approach is used to simulate the evolution of a composite remnant. Particular attention is given to the adiabatic loss rate and evolution of the…

High Energy Astrophysical Phenomena · Physics 2009-06-16 O. C. de Jager , S. E. S. Ferreira , A. Djannati-Ataï , M. Dalton , C. Deil , K. Kosack , M. Renaud , U. Schwanke , O. Tibolla

Population-based metaheuristic algorithms are powerful tools in the design of neutron scattering instruments and the use of these types of algorithms for this purpose is becoming more and more commonplace. Today there exists a wide range of…

Computational Physics · Physics 2019-08-21 D. D. DiJulio , H. Björgvinsdóttir , C. Zendler , P. M. Bentley

We report on a Chandra observation of the Crab Nebula that gives the first clear view of the faint boundary of the Crab's X-ray-emitting Pulsar Wind Nebula, or PWN. There is structure in all directions. Fingers, loops, bays, and the South…

Astrophysics · Physics 2016-08-30 F. D. Seward , W. H. Tucker , R. A. Fesen

Computer models, aiming at simulating a complex real system, are often calibrated in the light of data to improve performance. Standard calibration methods assume that the optimal values of calibration parameters are invariant to the model…

Methodology · Statistics 2017-09-01 Georgios Karagiannis , Bledar A. Konomi , Guang Lin

Rinne et al. conduct an interesting analysis of the impact of wind turbine technology and land-use on wind power potentials, which allows profound insights into each factors contribution to overall potentials. The paper presents a detailed…

Applications · Statistics 2021-12-30 Claude Klöckl , Katharina Gruber , Peter Regner , Sebastian Wehrle , Johannes Schmidt

A study on filtering aspects of airborne wind energy generators is presented. This class of renewable energy systems aims to convert the aerodynamic forces generated by tethered wings, flying in closed paths transverse to the wind flow,…

Systems and Control · Computer Science 2013-07-15 Lorenzo Fagiano , Khahn Huynh , Bassam Bamieh , Mustafa Khammash

Neural Radiance Fields (NeRF)-based models have achieved remarkable success in 3D reconstruction and rendering tasks. However, during both training and inference, these models rely heavily on dense point sampling along rays from multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Ranxi Lin , Canming Yao , Jiayi Li , Weihang Liu , Xin Lou , Pingqiang Zhou

In this paper, we present Pangu-Weather, a deep learning based system for fast and accurate global weather forecast. For this purpose, we establish a data-driven environment by downloading $43$ years of hourly global weather data from the…

Atmospheric and Oceanic Physics · Physics 2022-11-07 Kaifeng Bi , Lingxi Xie , Hengheng Zhang , Xin Chen , Xiaotao Gu , Qi Tian

Physics-informed neural networks (PINNs) are neural networks that embed the laws of dynamical systems modeled by differential equations into their loss function as constraints. In this work, we present a PINN framework applied to oncology.…

Machine Learning · Computer Science 2025-10-16 Kayode Olumoyin , Katarzyna Rejniak

The next era of ground-based Cherenkov telescope development will see a great increase in both quantity and quality of $\gamma$-ray morphological data. This initiated the development of a spatio-temporal leptonic transport code to model…

High Energy Astrophysical Phenomena · Physics 2020-01-15 Carlo van Rensburg , Christo Venter , Albertus Stefanus Seyffert , Alice K Harding

In this work, we present a novel conformal prediction method for time-series, which we call Kernel-based Optimally Weighted Conformal Prediction Intervals (KOWCPI). Specifically, KOWCPI adapts the classic Reweighted Nadaraya-Watson (RNW)…

Machine Learning · Computer Science 2026-02-12 Jonghyeok Lee , Chen Xu , Yao Xie

Most existing swarm pattern formation methods depend on a predefined gene regulatory network (GRN) structure that requires designers' priori knowledge, which is difficult to adapt to complex and changeable environments. To dynamically adapt…

Neural and Evolutionary Computing · Computer Science 2019-11-04 Zhun Fan , Zhaojun Wang , Xiaomin Zhu , Bingliang Hu , Anmin Zou , Dongwei Bao