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Recent work introduced deep kernel processes as an entirely kernel-based alternative to NNs (Aitchison et al. 2020). Deep kernel processes flexibly learn good top-layer representations by alternately sampling the kernel from a distribution…

机器学习 · 统计学 2021-12-06 Sebastian W. Ober , Laurence Aitchison

Change-point detection (CPD) is crucial for identifying abrupt shifts in data, which influence decision-making and efficient resource allocation across various domains. To address the challenges posed by the costly and time-intensive data…

机器学习 · 计算机科学 2023-12-07 Hao Zhao , Rong Pan

We introduce Decision Tree Decoders (DTDs), which rely only on the sparsity of the binary check matrix, making them broadly applicable for decoding any quantum low-density parity-check (qLDPC) code and fault-tolerant quantum circuits. DTDs…

量子物理 · 物理学 2025-02-25 Kai R. Ott , Bence Hetényi , Michael E. Beverland

An early warning of future system failure is essential for conducting predictive maintenance and enhancing system availability. This paper introduces a three-step framework for assessing system health to predict imminent system breakdowns.…

机器学习 · 计算机科学 2024-11-26 Hao Zhao , Rong Pan

We consider a change-point detection problem for a simple class of Piecewise Deterministic Markov Processes (PDMPs). A continuous-time PDMP is observed in discrete time and through noise, and the aim is to propose a numerical method to…

最优化与控制 · 数学 2017-09-28 Alice Cleynen , Benoîte de Saporta

The Probability Hypothesis Density (PHD) filter, which is used for multi-target tracking based on sensor measurements, relies on the propagation of the first-order moment, or intensity function, of a point process. This algorithm assumes…

概率论 · 数学 2020-12-11 Nicolas Privault , Timothy Teoh

There is a vast body of literature related to methods for detecting changepoints (CP). However, less attention has been paid to assessing the statistical reliability of the detected CPs. In this paper, we introduce a novel method to perform…

机器学习 · 统计学 2021-02-23 Vo Nguyen Le Duy , Hiroki Toda , Ryota Sugiyama , Ichiro Takeuchi

We consider determinantal point processes on the $d$-dimensional unit sphere $\mathbb S^d$. These are finite point processes exhibiting repulsiveness and with moment properties determined by a certain determinant whose entries are specified…

统计方法学 · 统计学 2016-07-14 Jesper Møller , Morten Nielsen , Emilio Porcu , Ege Rubak

Autonomous agents are limited in their ability to observe the world state. Partially observable Markov decision processes (POMDPs) formally model the problem of planning under world state uncertainty, but POMDPs with continuous actions and…

机器人学 · 计算机科学 2020-07-08 Dicong Qiu , Yibiao Zhao , Chris L. Baker

Existing Binary Neural Networks (BNNs) mainly operate on local convolutions with binarization function. However, such simple bit operations lack the ability of modeling contextual dependencies, which is critical for learning discriminative…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Xingrun Xing , Yangguang Li , Wei Li , Wenrui Ding , Yalong Jiang , Yufeng Wang , Jing Shao , Chunlei Liu , Xianglong Liu

Positive and negative dependence are fundamental concepts that characterize the attractive and repulsive behavior of random subsets. Although some probabilistic models are known to exhibit positive or negative dependence, it is challenging…

机器学习 · 统计学 2025-02-11 Takahiro Kawashima , Hideitsu Hino

This paper aims to efficiently compute transport maps between probability distributions arising from particle representation of bio-physical problems. We develop a bidirectional DeepParticle (BDP) method to learn and generate solutions…

计算物理 · 物理学 2025-04-17 Tan Zhang , Zhongjian Wang , Jack Xin , Zhiwen Zhang

We study determinantal point processes (DPP) through the lens of algebraic statistics. We count the critical points of the log-likelihood function, and we compute them for small models, thereby disproving a conjecture of Brunel, Moitra,…

统计理论 · 数学 2024-01-17 Hannah Friedman , Bernd Sturmfels , Maksym Zubkov

Multi-model Markov decision process (MMDP) is a promising framework for computing policies that are robust to parameter uncertainty in MDPs. MMDPs aim to find a policy that maximizes the expected return over a distribution of MDP models.…

机器学习 · 计算机科学 2025-07-15 Xihong Su , Marek Petrik

The wide adoption of DNNs has given birth to unrelenting computing requirements, forcing datacenter operators to adopt domain-specific accelerators to train them. These accelerators typically employ densely packed full precision…

机器学习 · 计算机科学 2018-12-04 Mario Drumond , Tao Lin , Martin Jaggi , Babak Falsafi

Change point detection (CPD) and anomaly detection (AD) are essential techniques in various fields to identify abrupt changes or abnormal data instances. However, existing methods are often constrained to univariate data, face scalability…

Many high-level multi-agent planning problems, including multi-robot navigation and path planning, can be effectively modeled using deterministic actions and observations. In this work, we focus on such domains and introduce the class of…

人工智能 · 计算机科学 2025-09-01 Yang You , Alex Schutz , Zhikun Li , Bruno Lacerda , Robert Skilton , Nick Hawes

In this study, we propose a novel deep spatio-temporal point process model, Deep Kernel Mixture Point Processes (DKMPP), that incorporates multimodal covariate information. DKMPP is an enhanced version of Deep Mixture Point Processes…

机器学习 · 计算机科学 2023-10-10 Yixuan Zhang , Quyu Kong , Feng Zhou

High dimensional unconstrained quadratic programs (UQPs) involving massive datasets are now common in application areas such as web, social networks, etc. Unless computational resources that match up to these datasets are available, solving…

最优化与控制 · 数学 2014-07-15 Gugan Thoppe , Vivek S. Borkar , Dinesh Garg

Determinantal point processes (DPPs) are random configurations of points with tunable negative dependence. Because sampling is tractable, DPPs are natural candidates for subsampling tasks, such as minibatch selection or coreset…

机器学习 · 统计学 2024-11-04 Rémi Bardenet , Subhroshekhar Ghosh , Hugo Simon-Onfroy , Hoang-Son Tran