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A trained ML model is deployed on another `test' dataset where target feature values (labels) are unknown. Drift is distribution change between the training and deployment data, which is concerning if model performance changes. For a…

应用统计 · 统计学 2022-09-07 Samuel Ackerman , Eitan Farchi , Orna Raz , Marcel Zalmanovici , Parijat Dube

With the of advent rich classification models and high computational power visual recognition systems have found many operational applications. Recognition in the real world poses multiple challenges that are not apparent in controlled lab…

计算机视觉与模式识别 · 计算机科学 2015-12-01 Abhijit Bendale , Terrance Boult

In novelty detection, the goal is to decide if a new data point should be categorized as an inlier or an outlier, given a training dataset that primarily captures the inlier distribution. Recent approaches typically use deep encoder and…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Muhammad Asad , Ihsan Ullah , Ganesh Sistu , Michael G. Madden

Deep neural networks for image classification only learn to map in-distribution inputs to their corresponding ground truth labels in training without differentiating out-of-distribution samples from in-distribution ones. This results from…

机器学习 · 计算机科学 2023-08-29 Zhilin Zhao , Longbing Cao , Kun-Yu Lin

The accuracy of machine learning interatomic potentials suffers from reference data that contains numerical noise. Often originating from unconverged or inconsistent electronic-structure calculations, this noise is challenging to identify.…

机器学习 · 统计学 2026-02-10 Terry C. W. Lam , Niamh O'Neill , Christoph Schran , Lars L. Schaaf

Machine learning and data analysis have been used in many robotics fields, especially for modelling. Data are usually the result of sensor measurements and, as such, they might be subjected to noise and outliers. The presence of outliers…

机器人学 · 计算机科学 2019-08-26 Francesco Cursi , Guang-Zhong Yang

The detection and the quantification of anomalies in image data are critical tasks in industrial scenes such as detecting micro scratches on product. In recent years, due to the difficulty of defining anomalies and the limit of correcting…

计算机视觉与模式识别 · 计算机科学 2018-11-08 Masanari Kimura , Takashi Yanagihara

We propose a deep convolutional object detector for automated driving applications that also estimates classification, pose and shape uncertainty of each detected object. The input consists of a multi-layer grid map which is well-suited for…

机器人学 · 计算机科学 2019-02-01 Sascha Wirges , Marcel Reith-Braun , Martin Lauer , Christoph Stiller

A critical barrier to learning an accurate decision rule for outlier detection is the scarcity of outlier data. As such, practitioners often turn to the use of similar but imperfect outlier data from which they might transfer information to…

机器学习 · 计算机科学 2023-10-10 Mohammadreza M. Kalan , Samory Kpotufe

Outlier detection in a large-scale database is a significant and complex issue in knowledge discovering field. As the data distributions are obscure and uncertain in high dimensional space, most existing solutions try to solve the issue…

人工智能 · 计算机科学 2014-05-06 Zhana Bao

Out-of-distribution (OOD) object detection is an important yet underexplored task. A reliable object detector should be able to handle OOD objects by localizing and correctly classifying them as OOD. However, a critical issue arises when…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Sadia Ilyas , Annika Mütze , Klaus Friedrichs , Thomas Kurbiel , Matthias Rottmann

Modern neural networks are known to give overconfident prediction for out-of-distribution inputs when deployed in the open world. It is common practice to leverage a surrogate outlier dataset to regularize the model during training, and…

机器学习 · 计算机科学 2024-02-27 Wenyu Jiang , Hao Cheng , Mingcai Chen , Chongjun Wang , Hongxin Wei

Anomaly detection is a classical problem in computer vision, namely the determination of the normal from the abnormal when datasets are highly biased towards one class (normal) due to the insufficient sample size of the other class…

计算机视觉与模式识别 · 计算机科学 2018-11-14 Samet Akcay , Amir Atapour-Abarghouei , Toby P. Breckon

With the advent of future big-data surveys, automated tools for unsupervised discovery are becoming ever more necessary. In this work, we explore the ability of deep generative networks for detecting outliers in astronomical imaging…

The keep-growing content of Web images may be the next important data source to scale up deep neural networks, which recently obtained a great success in the ImageNet classification challenge and related tasks. This prospect, however, has…

计算机视觉与模式识别 · 计算机科学 2016-07-19 Phong D. Vo , Alexandru Ginsca , Hervé Le Borgne , Adrian Popescu

This paper addresses the task of set prediction using deep learning. This is important because the output of many computer vision tasks, including image tagging and object detection, are naturally expressed as sets of entities rather than…

计算机视觉与模式识别 · 计算机科学 2017-08-14 S. Hamid Rezatofighi , Vijay Kumar B G , Anton Milan , Ehsan Abbasnejad , Anthony Dick , Ian Reid

In this paper, we present a novel approach that combines deep metric learning and synthetic data generation using diffusion models for out-of-distribution (OOD) detection. One popular approach for OOD detection is outlier exposure, where…

计算机视觉与模式识别 · 计算机科学 2024-05-02 Assefa Seyoum Wahd

The ability to detect objects that are not prevalent in the training set is a critical capability in many 3D applications, including autonomous driving. Machine learning methods for object recognition often assume that all object categories…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Zizhao Li , Xueyang Kang , Joseph West , Kourosh Khoshelham

Deep neural networks often suffer from overconfidence which can be partly remedied by improved out-of-distribution detection. For this purpose, we propose a novel approach that allows for the generation of out-of-distribution datasets based…

机器学习 · 计算机科学 2021-05-10 Felix Möller , Diego Botache , Denis Huseljic , Florian Heidecker , Maarten Bieshaar , Bernhard Sick

Image outlier detection (OD) is an essential tool to ensure the quality of images used in computer vision tasks. Existing algorithms often involve training a model to represent the inlier distribution, and outliers are determined by some…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Chen-Han Tsai , Yu-Shao Peng