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One-shot LiDAR localization refers to the ability to estimate the robot pose from one single point cloud, which yields significant advantages in initialization and relocalization processes. In the point cloud domain, the topic has been…

机器人学 · 计算机科学 2023-09-19 Pengyu Yin , Haozhi Cao , Thien-Minh Nguyen , Shenghai Yuan , Shuyang Zhang , Kangcheng Liu , Lihua Xie

Detecting out-of-distribution (OOD) inputs during the inference stage is crucial for deploying neural networks in the real world. Previous methods commonly relied on the output of a network derived from the highly activated feature map. In…

计算机视觉与模式识别 · 计算机科学 2023-03-03 Yeonguk Yu , Sungho Shin , Seongju Lee , Changhyun Jun , Kyoobin Lee

We develop a novel optical neural network (ONN) framework which introduces a degree of scalar invariance to image classification estima- tion. Taking a hint from the human eye, which has higher resolution near the center of the retina,…

计算机视觉与模式识别 · 计算机科学 2018-05-30 Grant Fennessy , Yevgeniy Vorobeychik

Outlier detection is the identification of points in a dataset that do not conform to the norm. Outlier detection is highly sensitive to the choice of the detection algorithm and the feature subspace used by the algorithm. Extracting…

人工智能 · 计算机科学 2017-05-18 Yanjie Fu , Charu Aggarwal , Srinivasan Parthasarathy , Deepak S. Turaga , Hui Xiong

Object detection has witnessed significant progress by relying on large, manually annotated datasets. Annotating such datasets is highly time consuming and expensive, which motivates the development of weakly supervised and few-shot object…

计算机视觉与模式识别 · 计算机科学 2020-08-27 Carlo Biffi , Steven McDonagh , Philip Torr , Ales Leonardis , Sarah Parisot

Automatic optical inspection (AOI) plays a pivotal role in the manufacturing process, predominantly leveraging high-resolution imaging instruments for scanning purposes. It detects anomalies by analyzing image textures or patterns, making…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Chih-Chung Hsu , Chia-Ming Lee , Chun-Hung Sun , Kuang-Ming Wu

Unsupervised learning methods are well established in the area of anomaly detection and achieve state of the art performances on outlier datasets. Outliers play a significant role, since they bear the potential to distort the predictions of…

机器学习 · 计算机科学 2024-07-02 Andreas Lohrer , Daniyal Kazempour , Maximilian Hünemörder , Peer Kröger

Standard classification theory assumes that the distribution of images in the test and training sets are identical. Unfortunately, real-life scenarios typically feature unseen data (``out-of-distribution data") which is different from data…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Gianluca Barone , Aashrit Cunchala , Rudy Nunez

Despite much recent work, detecting out-of-distribution (OOD) inputs and adversarial attacks (AA) for computer vision models remains a challenge. In this work, we introduce a novel technique, DAAIN, to detect OOD inputs and AA for image…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Samuel von Baußnern , Johannes Otterbach , Adrian Loy , Mathieu Salzmann , Thomas Wollmann

Ordinary differential equation (ODE) is widely used in modeling biological and physical processes in science. In this article, we propose a new reproducing kernel-based approach for estimation and inference of ODE given noisy observations.…

统计方法学 · 统计学 2021-10-26 Xiaowu Dai , Lexin Li

Out-of-distribution (OOD) detection aims to discern outliers from the intended data distribution, which is crucial to maintaining high reliability and a good user experience. Most recent studies in OOD detection utilize the information from…

计算与语言 · 计算机科学 2022-10-21 Hyunsoo Cho , Choonghyun Park , Jaewook Kang , Kang Min Yoo , Taeuk Kim , Sang-goo Lee

Identifying dynamical systems characterized by nonlinear parameters presents significant challenges in deriving mathematical models that enhance understanding of physics. Traditional methods, such as Sparse Identification of Nonlinear…

机器学习 · 计算机科学 2025-08-12 Siva Viknesh , Younes Tatari , Chase Christenson , Amirhossein Arzani

Finding rare information hidden in a huge amount of data from the Internet is a necessary but complex issue. Many researchers have studied this issue and have found effective methods to detect anomaly data in low dimensional space. However,…

人工智能 · 计算机科学 2014-05-07 Zhana Bao

Machine learning models deployed in the open world may encounter observations that they were not trained to recognize, and they risk misclassifying such observations with high confidence. Therefore, it is essential that these models are…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Noah Fleischmann , Walter Bennette , Nathan Inkawhich

It is an important problem in trustworthy machine learning to recognize out-of-distribution (OOD) inputs which are inputs unrelated to the in-distribution task. Many out-of-distribution detection methods have been suggested in recent years.…

机器学习 · 计算机科学 2022-06-22 Julian Bitterwolf , Alexander Meinke , Maximilian Augustin , Matthias Hein

Detecting out-of-distribution (OOD) data is crucial in machine learning applications to mitigate the risk of model overconfidence, thereby enhancing the reliability and safety of deployed systems. The majority of existing OOD detection…

人工智能 · 计算机科学 2024-08-22 Christos Constantinou , Georgios Ioannides , Aman Chadha , Aaron Elkins , Edwin Simpson

We hypothesize that similar objects should have similar outlier scores. To our knowledge, all existing outlier detectors calculate the outlier score for each object independently regardless of the outlier scores of the other objects.…

机器学习 · 计算机科学 2023-03-20 Jiawei Yang , Susanto Rahardja , Pasi Franti

Unsupervised aspect detection (UAD) aims at automatically extracting interpretable aspects and identifying aspect-specific segments (such as sentences) from online reviews. However, recent deep learning-based topic models, specifically…

计算与语言 · 计算机科学 2021-01-01 Tian Shi , Liuqing Li , Ping Wang , Chandan K. Reddy

Out-of-distribution (OOD) detection has received much attention lately due to its importance in the safe deployment of neural networks. One of the key challenges is that models lack supervision signals from unknown data, and as a result,…

机器学习 · 计算机科学 2022-05-11 Xuefeng Du , Zhaoning Wang , Mu Cai , Yixuan Li

Out-of-distribution (OOD) detection has recently received much attention from the machine learning community due to its importance in deploying machine learning models in real-world applications. In this paper we propose an uncertainty…

机器学习 · 计算机科学 2022-06-28 Xiongjie Chen , Yunpeng Li , Yongxin Yang