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Dataset Condensation aims to condense a large dataset into a smaller one while maintaining its ability to train a well-performing model, thus reducing the storage cost and training effort in deep learning applications. However, conventional…

机器学习 · 计算机科学 2023-07-20 Ganlong Zhao , Guanbin Li , Yipeng Qin , Yizhou Yu

This paper addresses the density based multi-sensor cooperative fusion using random finite set (RFS) type multi-object densities (MODs). Existing fusion methods use scalar weights to characterize the relative information confidence among…

信息论 · 计算机科学 2021-07-21 Wei Yi , Lei Chai

Data gathered from multiple sensors can be effectively fused for accurate monitoring of many engineering applications. In the last few years, one of the most sought after applications for multi sensor fusion has been fault diagnosis.…

人工智能 · 计算机科学 2020-02-11 Nimisha Ghosh , Sayantan Saha , Rourab Paul

In recent years, rather than enclosing data within a single organization, exchanging and combining data from different domains has become an emerging practice. Many studies have discussed the economic and utility value of data and data…

计算机与社会 · 计算机科学 2020-12-23 Teruaki Hayashi , Hiroki Sakaji , Hiroyasu Matsushima , Yoshiaki Fukami , Takumi Shimizu , Yukio Ohsawa

Information from various data sources is increasingly available nowadays. However, some of the data sources may produce biased estimation due to commonly encountered biased sampling, population heterogeneity, or model misspecification. This…

统计方法学 · 统计学 2023-02-07 Ruoyu Wang , Qihua Wang , Wang Miao

Growing amounts of online user data motivate the need for automated processing techniques. In case of user ratings, one interesting option is to use neural networks for learning to predict ratings given an item and a user. While training…

机器学习 · 计算机科学 2019-01-09 Philipp Blandfort , Tushar Karayil , Federico Raue , Jörn Hees , Andreas Dengel

Dataset distillation (DD) aims to synthesize a small dataset whose test performance is comparable to a full dataset using the same model. State-of-the-art (SoTA) methods optimize synthetic datasets primarily by matching heuristic indicators…

机器学习 · 计算机科学 2023-12-29 Yuzhang Shang , Zhihang Yuan , Yan Yan

In order to overcome the problem of item nonresponse, random imputation methods are often used because they tend to preserve the distribution of the imputed variable. Among the random imputation methods, the random hot-deck has the…

统计方法学 · 统计学 2022-02-09 Caren Hasler , Yves Tillé

We address one of the important problems in Big Data, namely how to combine estimators from different subsamples by robust fusion procedures, when we are unable to deal with the whole sample. We propose a general framework based on the…

统计理论 · 数学 2018-04-06 Catherine Aaron , Alejandro Cholaquidis , Ricardo Fraiman , Badih Ghattas

Estimating mutual information (MI) is a fundamental yet challenging task in data science and machine learning. This work proposes a new estimator for mutual information. Our main discovery is that a preliminary estimate of the data…

机器学习 · 计算机科学 2024-08-20 Yanzhi Chen , Zijing Ou , Adrian Weller , Yingzhen Li

Collaborative filtering (CF) has been one of the most important and popular recommendation methods, which aims at predicting users' preferences (ratings) based on their past behaviors. Recently, various types of side information beyond the…

信息检索 · 计算机科学 2020-12-29 Huan Zhao , Quanming Yao , Yangqiu Song , James Kwok , Dik Lun Lee

With several advantages and as an alternative to predict physics field, machine learning methods can be classified into two distinct types: data-driven relying on training data and physics-driven using physics law. Choosing heat conduction…

计算物理 · 物理学 2020-05-19 Hao Ma , Xiangyu Hu , Yuxuan Zhang , Nils Thuerey , Oskar J. Haidn

The problem of distributed dynamic state estimation in wireless sensor networks is studied. Two important properties of local estimates, namely, the consistency and confidence, are emphasized. On one hand, the consistency, which means that…

信息论 · 计算机科学 2016-11-15 Shaocheng Wang , Wei Ren

Deep learning-based image fusion approaches have obtained wide attention in recent years, achieving promising performance in terms of visual perception. However, the fusion module in the current deep learning-based methods suffers from two…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Dongyu Rao , Xiao-Jun Wu , Tianyang Xu , Guoyang Chen

Data cohesion, a recently introduced measure inspired by social interactions, uses distance comparisons to assess relative proximity. In this work, we provide a collection of results which can guide the development of cohesion-based methods…

社会与信息网络 · 计算机科学 2023-08-08 Katherine E. Moore

This paper proposes a new approach to multi-sensor data fusion. It suggests that aggregation of data from multiple sensors can be done more efficiently when we consider information about sensors' different characteristics. Similar to most…

系统与控制 · 电气工程与系统科学 2019-09-10 Mohammad Amin Ahmad Akhoundi , Ehsan Valavi

Data sharing barriers are paramount challenges arising from multicenter clinical trials where multiple data sources are stored in a distributed fashion at different local study sites. Merging such data sources into a common data storage for…

统计方法学 · 统计学 2022-04-05 Mengtong Hu , Xu Shi , Peter X. -K. Song

This article deals with the fusion of flaw detections from multi-sensor nondestructive materials testing. Because each testing method makes use of different physical effects for defect localization, a multi-method approach is promising to…

计算工程、金融与科学 · 计算机科学 2015-07-01 René Heideklang , Parisa Shokouhi

In recent years, increasing attentions are paid on object detection in remote sensing imagery. However, traditional optical detection is highly susceptible to illumination and weather anomaly. It is a challenge to effectively utilize the…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Fang Qingyun , Wang Zhaokui

The trade-off in remote sensing instruments that balances the spatial resolution and temporal frequency limits our capacity to monitor spatial and temporal dynamics effectively. The spatiotemporal data fusion technique is considered as a…

计算机视觉与模式识别 · 计算机科学 2017-10-11 Qing Cheng , Huiqing Liu , Huanfeng Shen , Penghai Wu , Liangpei Zhang