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Out-of-distribution (OOD) detection is a critical task for reliable machine learning. Recent advances in representation learning give rise to distance-based OOD detection, where testing samples are detected as OOD if they are relatively far…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Yifei Ming , Yiyou Sun , Ousmane Dia , Yixuan Li

Detecting Out-of-Distribution (OOD) samples in real world visual applications like classification or object detection has become a necessary precondition in today's deployment of Deep Learning systems. Many techniques have been proposed, of…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Abhishek Joshi , Sathish Chalasani , Kiran Nanjunda Iyer

This paper presents Two-Stage LKPLO, a novel multi-stage outlier detection framework that overcomes the coexisting limitations of conventional projection-based methods: their reliance on a fixed statistical metric and their assumption of a…

机器学习 · 计算机科学 2025-11-04 Akira Tamamori

Traditionally power distribution networks are either not observable or only partially observable. This complicates development and implementation of new smart grid technologies, such as those related to demand response, outage detection and…

最优化与控制 · 数学 2015-03-02 Deepjyoti Deka , Scott Backhaus , Michael Chertkov

We introduce powerful ideas from Hyperdimensional Computing into the challenging field of Out-of-Distribution (OOD) detection. In contrast to most existing work that performs OOD detection based on only a single layer of a neural network,…

计算机视觉与模式识别 · 计算机科学 2022-08-31 Samuel Wilson , Tobias Fischer , Niko Sünderhauf , Feras Dayoub

In directional statistics, the von Mises-Fisher (vMF) distribution is one of the most basic and popular probability distributions for data on the unit hypersphere. Recently, the spherical normal (SN) distribution was proposed as an…

统计方法学 · 统计学 2022-02-28 Kisung You

Out-of-Distribution (OOD) detection is a critical task that has garnered significant attention. The emergence of CLIP has spurred extensive research into zero-shot OOD detection, often employing a training-free approach. Current methods…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Haoran Xu , Yanlin Liu , Zizhao Tong , Jiaze Li , Kexue Fu , Yuyang Zhang , Longxiang Gao , Shuaiguang Li , Xingyu Li , Yanran Xu , Changwei Wang

A fundamental challenge in text-to-3D face generation is achieving high-quality geometry. The core difficulty lies in the arbitrary and intricate distribution of vertices in 3D space, making it challenging for existing models to establish…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Junyi Zhang , Yiming Wang , Yunhong Lu , Qichao Wang , Wenzhe Qian , Xiaoyin Xu , David Gu , Min Zhang

The availability of residential electric demand profiles data, enabled by the large-scale deployment of smart metering infrastructure, has made it possible to perform more accurate analysis of electricity consumption patterns. This paper…

机器学习 · 计算机科学 2021-05-19 Mayank Jain , Tarek AlSkaif , Soumyabrata Dev

We propose a new assumption in outlier detection: Normal data instances are commonly located in the area that there is hardly any fluctuation on data density, while outliers are often appeared in the area that there is violent fluctuation…

机器学习 · 计算机科学 2020-06-09 Ding Liu , Hui Li

Many computer vision tasks involve processing large amounts of data contaminated by outliers, which need to be detected and rejected. While outlier detection methods based on robust statistics have existed for decades, only recently have…

计算机视觉与模式识别 · 计算机科学 2017-04-14 Chong You , Daniel P. Robinson , René Vidal

We study the classic $k$-means/median clustering, which are fundamental problems in unsupervised learning, in the setting where data are partitioned across multiple sites, and where we are allowed to discard a small portion of the data by…

分布式、并行与集群计算 · 计算机科学 2018-10-12 Jiecao Chen , Erfan Sadeqi Azer , Qin Zhang

Detecting out-of-distribution inputs for visual recognition models has become critical in safe deep learning. This paper proposes a novel hierarchical visual category modeling scheme to separate out-of-distribution data from in-distribution…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Jinglun Li , Xinyu Zhou , Pinxue Guo , Yixuan Sun , Yiwen Huang , Weifeng Ge , Wenqiang Zhang

Many applications in data analysis begin with a set of points in a Euclidean space that is partitioned into clusters. Common tasks then are to devise a classifier deciding which of the clusters a new point is associated to, finding outliers…

机器学习 · 计算机科学 2014-06-25 Steffen Borgwardt

High-dimensional datasets often contain multiple meaningful clusterings in different subspaces. For example, objects can be clustered either by color, weight, or size, revealing different interpretations of the given dataset. A variety of…

机器学习 · 计算机科学 2025-04-08 Collin Leiber , Dominik Mautz , Claudia Plant , Christian Böhm

Low-latency instance segmentation of LiDAR point clouds is crucial in real-world applications because it serves as an initial and frequently-used building block in a robot's perception pipeline, where every task adds further delay.…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Andreas Reich , Mirko Maehlisch

A multilayered particle is illuminated by plane acoustic or electromagnetic waves of one or several frequencies. We consider the inverse scattering problem for the identification of the layers and of the refraction coefficients of the…

数学物理 · 物理学 2016-09-07 Semion Gutman

Building an accurate load forecasting model with minimal underpredictions is vital to prevent any undesired power outages due to underproduction of electricity. However, the power consumption patterns of the residential sector contain…

机器学习 · 计算机科学 2023-02-23 Jihan Ghanim , Maha Issa , Mariette Awad

In this paper, we propose a novel approach for outlier detection, called local projections, which is based on concepts of Local Outlier Factor (LOF) (Breunig et al., 2000) and RobPCA (Hubert et al., 2005). By using aspects of both methods,…

统计方法学 · 统计学 2017-08-07 Thomas Ortner , Peter Filzmoser , Maia Zaharieva , Sarka Brodinova , Christian Breiteneder

Reliable outlier detection in high-dimensional data is crucial in modern science, yet it remains a challenging task. Traditional methods often break down in these settings due to their reliance on asymptotic behaviors with respect to sample…

统计方法学 · 统计学 2025-11-05 Seong-ho Lee , Yongho Jeon