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We develop a fast algorithm for Kalman Filter applied to the random walk forecast model. The key idea is an efficient representation of the estimate covariance matrix at each time-step as a weighted sum of two contributions - the process…

数值分析 · 数学 2015-05-13 Arvind K. Saibaba , Eric Miller , Peter K. Kitanidis

Repeated measurements are common in many fields, where random variables are observed repeatedly across different subjects. Such data have an underlying hierarchical structure, and it is of interest to learn covariance/correlation at…

统计方法学 · 统计学 2023-06-13 Sunpeng Duan , Guo Yu , Juntao Duan , Yuedong Wang

Inspired by the remarkable success of artificial neural networks across a broad spectrum of AI tasks, variational quantum circuits (VQCs) have recently seen an upsurge in quantum machine learning applications. The promising outcomes shown…

This paper shows that further evaluation metrics during model training are needed to decide about its applicability in inference. As an example, a LayoutLM-based model is trained for token classification in documents. The documents are…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Anket Mehra , Malte Prieß , Marian Himstedt

Computer-aided assessment of physical rehabilitation entails evaluation of patient performance in completing prescribed rehabilitation exercises, based on processing movement data captured with a sensory system. Despite the essential role…

机器学习 · 计算机科学 2020-01-24 Y. Liao , A. Vakanski , M. Xian

Although an ever-growing number of applications employ deep learning based systems for prediction, decision-making, or state estimation, almost no certification processes have been established that would allow such systems to be deployed in…

机器学习 · 计算机科学 2024-03-25 Romeo Valentin

Purpose: Object detection is rapidly evolving through machine learning technology in automation systems. Well prepared data is necessary to train the algorithms. Accordingly, the objective of this paper is to describe a re-evaluation of the…

计算机视觉与模式识别 · 计算机科学 2022-09-28 Recep Savas , Johannes Hinckeldeyn

Vertex centrality measures are a multi-purpose analysis tool, commonly used in many application environments to retrieve information and unveil knowledge from the graphs and network structural properties. However, the algorithms of such…

社会与信息网络 · 计算机科学 2018-12-03 Felipe Grando , Luis C. Lamb

Radio map estimation from sparse measurements is fundamental to wireless network planning, optimization, and localized map updating. Most recent learning-based approaches formulate the problem as dense map completion over a predefined grid,…

信号处理 · 电气工程与系统科学 2026-04-21 Ang Li , Chengyu Liu , Yue Wang

Traditional algorithm analysis treats all basic operations as equally costly, which hides significant differences in time, energy consumption, and cost between different types of computations on modern processors. We propose a…

性能 · 计算机科学 2025-08-20 Sergii Kavun

Accurate prediction of training time in distributed deep learning is crucial for resource allocation, cost estimation, and job scheduling. We observe that the floating-point precision setting is a key determinant of training time, leading…

机器学习 · 计算机科学 2026-04-20 Minchul Kang , Changyong Shin , Jinwoo Jeong , Hyunho Lee , Younghun Go , Gyeongmin Kim , Gyeongsik Yang , Chuck Yoo

Gaussian processes (GP) are a versatile tool in machine learning and computational science. We here consider the case of multi-output Gaussian processes (MOGP) and present low-rank approaches for efficiently computing the posterior mean of…

数值分析 · 数学 2025-05-01 Sebastian Esche , Martin Stoll

Graph-based reasoning over skeleton data has emerged as a promising approach for human action recognition. However, the application of prior graph-based methods, which predominantly employ whole temporal sequences as their input, to the…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Lukas Hedegaard , Negar Heidari , Alexandros Iosifidis

Attention mechanism has been regarded as an advanced technique to capture long-range feature interactions and to boost the representation capability for convolutional neural networks. However, we found two ignored problems in current…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Zhu Baozhou , Peter Hofstee , Jinho Lee , Zaid Al-Ars

Calibration error is commonly adopted for evaluating the quality of uncertainty estimators in deep neural networks. In this paper, we argue that such a metric is highly beneficial for training predictive models, even when we do not…

机器学习 · 统计学 2019-11-01 Jayaraman J. Thiagarajan , Bindya Venkatesh , Deepta Rajan

The problem of learning the structure of a high dimensional graphical model from data has received considerable attention in recent years. In many applications such as sensor networks and proteomics it is often expensive to obtain samples…

机器学习 · 统计学 2016-04-08 Gautam Dasarathy , Aarti Singh , Maria-Florina Balcan , Jong Hyuk Park

We propose Mochi, a Graph Foundation Model that addresses task unification and training efficiency by adopting a meta-learning based training framework. Prior models pre-train with reconstruction-based objectives such as link prediction,…

机器学习 · 计算机科学 2026-05-08 João Mattos , Arlei Silva

Conformal prediction (CP) provides finite-sample, distribution-free marginal coverage, but standard conformal regression intervals can be inefficient under heteroscedasticity and skewness. In particular, popular constructions such as…

机器学习 · 统计学 2026-03-03 Xiaoyi Su , Zhixin Zhou , Rui Luo

Depth information is useful for many applications. Active depth sensors are appealing because they obtain dense and accurate depth maps. However, due to issues that range from power constraints to multi-sensor interference, these sensors…

图像与视频处理 · 电气工程与系统科学 2020-02-04 James Noraky , Vivienne Sze

Compared with global average pooling in existing deep convolutional neural networks (CNNs), global covariance pooling can capture richer statistics of deep features, having potential for improving representation and generalization abilities…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Qilong Wang , Jiangtao Xie , Wangmeng Zuo , Lei Zhang , Peihua Li