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In this paper we present the developments in heat flux measurements using gradient heat flux sensors (GHFS). The GHFS is a sensor made of artificially created material with anisotropic thermo-electrical properties. Its properties including…

Nuclear Experiment · Physics 2022-07-25 Filip Janasz , Horst-Michel Prasser , Detlef Suckow , Andrey Mityakov

Generative adversarial network (GAN) has been shown to be useful in various applications, such as image recognition, text processing and scientific computing, due its strong ability to learn complex data distributions. In this study, a…

Geophysics · Physics 2021-09-14 Tianhao He , Dongxiao Zhang

In this paper, we present a crash frequency data augmentation method based on Conditional Generative Adversarial Networks to improve crash frequency models. The proposed method is evaluated by comparing the performance of Base SPFs…

Machine Learning · Computer Science 2021-12-24 Mohammad Zarei , Bruce Hellinga

Structure learning of Conditional Random Fields (CRFs) can be cast into an L1-regularized optimization problem. To avoid optimizing over a fully linked model, gain-based or gradient-based feature selection methods start from an empty model…

Machine Learning · Computer Science 2014-07-01 Ni Lao , Jun Zhu

Designing face recognition systems that are capable of matching face images obtained in the thermal spectrum with those obtained in the visible spectrum is a challenging problem. In this work, we propose the use of semantic-guided…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Cunjian Chen , Arun Ross

Conformal prediction aims to determine precise levels of confidence in predictions for new objects using past experience. However, the commonly used exchangeable assumptions between the training data and testing data limit its usage in…

Machine Learning · Statistics 2022-10-18 Youhui Ye , Meimei Liu , Xin Xing

Edge computing and 5G have made it possible to perform analytics closer to the source of data and achieve super-low latency response times, which is not possible with centralized cloud deployment. In this paper, we present a novel…

Signal Processing · Electrical Eng. & Systems 2022-02-09 Murugan Sankaradas , Kunal Rao , Ravi Rajendran , Amit Redkar , Srimat Chakradhar

Partial observations of continuous time-series dynamics at arbitrary time stamps exist in many disciplines. Fitting this type of data using statistical models with continuous dynamics is not only promising at an intuitive level but also has…

Machine Learning · Computer Science 2021-10-29 Ruizhi Deng , Marcus A. Brubaker , Greg Mori , Andreas M. Lehrmann

Accurate modeling of heat flux in inertial confinement fusion plasmas requires closures that remain predictive far from local equilibrium and across disparate spatial and temporal resolutions. We develop a resolution-independent…

Plasma Physics · Physics 2026-04-07 M. Luo , A. R. Bell , F. Miniati , S. M. Vinko , G. Gregori

Continuous Normalizing Flows (CNFs) have emerged as promising deep generative models for a wide range of tasks thanks to their invertibility and exact likelihood estimation. However, conditioning CNFs on signals of interest for conditional…

Machine Learning · Computer Science 2019-12-10 Tan M. Nguyen , Animesh Garg , Richard G. Baraniuk , Anima Anandkumar

A recent study has shown that diffusion models are well-suited for modeling the generative process of user-item interactions in recommender systems due to their denoising nature. However, existing diffusion model-based recommender systems…

Information Retrieval · Computer Science 2024-04-23 Yu Hou , Jin-Duk Park , Won-Yong Shin

The deep learning framework is witnessing expansive growth into diverse applications such as biological systems, human cognition, robotics, and the social sciences, thanks to its immense ability to extract essential features from…

Disordered Systems and Neural Networks · Physics 2017-10-16 Zhaocheng Liu , Sean P. Rodrigues , Wenshan Cai

Generative adversarial network (GAN) has greatly improved the quality of unsupervised image generation. Previous GAN-based methods often require a large amount of high-quality training data while producing a small number (e.g., tens) of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-26 Chunpeng Wu , Wei Wen , Yiran Chen , Hai Li

Cervical intraepithelial neoplasia (CIN) grade of histopathology images is a crucial indicator in cervical biopsy results. Accurate CIN grading of epithelium regions helps pathologists with precancerous lesion diagnosis and treatment…

Image and Video Processing · Electrical Eng. & Systems 2019-07-26 Yuan Xue , Qianying Zhou , Jiarong Ye , L. Rodney Long , Sameer Antani , Carl Cornwell , Zhiyun Xue , Xiaolei Huang

Existing psychophysical studies have revealed that the cross-modal visual-tactile perception is common for humans performing daily activities. However, it is still challenging to build the algorithmic mapping from one modality space to…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Shaoyu Cai , Kening Zhu , Yuki Ban , Takuji Narumi

We review our joint work on the scaling limits of disordered systems, linking the notion of disorder relevance/irrelevance to that of sub/super-criticality of singular SPDEs. This line of research culminated in the construction of the…

Probability · Mathematics 2026-01-27 Francesco Caravenna , Rongfeng Sun , Nikos Zygouras

Catastrophic forgetting (CF) poses a persistent challenge in continual learning (CL), especially within federated learning (FL) environments characterized by non-i.i.d. time series data. While existing research has largely focused on…

Machine Learning · Computer Science 2026-02-24 Khaled Hallak , Oudom Kem

Continuous normalizing flows (CNFs) learn an ordinary differential equation to transform prior samples into data. Flow matching (FM) has recently emerged as a simulation-free approach for training CNFs by regressing a velocity model towards…

Machine Learning · Statistics 2024-05-28 Tianyu Xie , Yu Zhu , Longlin Yu , Tong Yang , Ziheng Cheng , Shiyue Zhang , Xiangyu Zhang , Cheng Zhang

The existing generative adversarial fusion methods generally concatenate source images and extract local features through convolution operation, without considering their global characteristics, which tends to produce an unbalanced result…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Zhishe Wang , Wenyu Shao , Yanlin Chen , Jiawei Xu , Xiaoqin Zhang

Pool boiling characteristics in two computational domains with and without considering conjugate heat transfer (CHT) were numerically simulated by an improved hybrid pseudopotential phase-change lattice Boltzmann method (LBM). The effects…

Fluid Dynamics · Physics 2019-12-03 Wandong Zhao , Jianhan Liang , Mingbo Sun , Xiaodong Cai , Peibo Li