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A critical vulnerability of supervised deep learning in high-dimensional tabular domains is "generalization collapse": models form precise decision boundaries around known training distributions but fail catastrophically when encountering…

机器学习 · 计算机科学 2026-03-10 Rajeeb Thapa Chhetri , Saurab Thapa , Avinash Kumar , Zhixiong Chen

Out-of-distribution (OOD) detection is crucial for safely deploying automated medical image analysis systems, as abnormal patterns in images could hamper their performance. However, OOD detection in medical imaging remains an open…

图像与视频处理 · 电气工程与系统科学 2025-09-18 Evi M. C. Huijben , Sina Amirrajab , Josien P. W. Pluim

Anomaly detection is the process of identifying atypical data samples that significantly deviate from the majority of the dataset. In the realm of clinical screening and diagnosis, detecting abnormalities in medical images holds great…

计算机视觉与模式识别 · 计算机科学 2023-10-11 Xianyao Hu , Congming Jin

The past decade has witnessed significant progress on detecting objects in aerial images that are often distributed with large scale variations and arbitrary orientations. However most of existing methods rely on heuristically defined…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Jiaming Han , Jian Ding , Jie Li , Gui-Song Xia

Deep-learning architectures for classification problems involve the cross-entropy loss sometimes assisted with auxiliary loss functions like center loss, contrastive loss and triplet loss. These auxiliary loss functions facilitate better…

计算机视觉与模式识别 · 计算机科学 2020-04-22 Hongjun Choi , Anirudh Som , Pavan Turaga

Universal visual anomaly detection (AD) aims to identify anomaly images and segment anomaly regions towards open and dynamic scenarios, following zero- and few-shot paradigms without any dataset-specific fine-tuning. We have witnessed…

计算机视觉与模式识别 · 计算机科学 2026-01-12 Bin-Bin Gao , Chengjie Wang

Semi-supervised object detection (SSOD), leveraging unlabeled data to boost object detectors, has become a hot topic recently. However, existing SSOD approaches mainly focus on horizontal objects, leaving oriented objects common in aerial…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Dingkang Liang , Wei Hua , Chunsheng Shi , Zhikang Zou , Xiaoqing Ye , Xiang Bai

Recently, many arbitrary-oriented object detection (AOOD) methods have been proposed and attracted widespread attention in many fields. However, most of them are based on anchor-boxes or standard Gaussian heatmaps. Such label assignment…

计算机视觉与模式识别 · 计算机科学 2022-02-14 Zhanchao Huang , Wei Li , Xiang-Gen Xia , Ran Tao

In autonomous driving, vision-centric 3D object detection recognizes and localizes 3D objects from RGB images. However, due to high annotation costs and diverse outdoor scenes, training data often fails to cover all possible test scenarios,…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Hongbin Lin , Yiming Yang , Chaoda Zheng , Yifan Zhang , Shuaicheng Niu , Zilu Guo , Yafeng Li , Gui Gui , Shuguang Cui , Zhen Li

The implementation of automatic image registration is still difficult in various applications. In this paper, an automatic image registration approach through line-support region segmentation and geometrical outlier removal (ALRS-GOR) is…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Ming Zhao , Yongpeng Wu , Shengda Pan , Fan Zhou , Bowen An , André Kaup

We propose modeling an angle-of-arrival (AOA) positioning measurement as a von Mises-Fisher (VMF) distributed unit vector instead of the conventional normally distributed azimuth and elevation measurements. Describing the 2-dimensional AOA…

系统与控制 · 计算机科学 2017-09-11 Henri Nurminen , Laura Suomalainen , Simo Ali-Löytty , Robert Piché

Out-of-distribution (OOD) detection and lossless compression constitute two problems that can be solved by the training of probabilistic models on a first dataset with subsequent likelihood evaluation on a second dataset, where data…

计算机视觉与模式识别 · 计算机科学 2021-12-13 Mingtian Zhang , Andi Zhang , Steven McDonagh

Existing methods for out-of-distribution (OOD) detection use various techniques to produce a score, separate from classification, that determines how ``OOD'' an input is. Our insight is that OOD detection can be simplified by using a neural…

机器学习 · 计算机科学 2025-01-07 Amol Khanna , Chenyi Ling , Derek Everett , Edward Raff , Nathan Inkawhich

Object Detection (OD) is an important task in Computer Vision with many practical applications. For some use cases, OD must be done on videos, where the object of interest has a periodic motion. In this paper, we formalize the problem of…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Joris Guerin , Anne Magaly de Paula Canuto , Luiz Marcos Garcia Goncalves

Anomaly detection is a significant and hence well-studied problem. However, developing effective anomaly detection methods for complex and high-dimensional data remains a challenge. As Generative Adversarial Networks (GANs) are able to…

机器学习 · 计算机科学 2018-12-07 Houssam Zenati , Manon Romain , Chuan Sheng Foo , Bruno Lecouat , Vijay Ramaseshan Chandrasekhar

Bounding box regression is an important component in object detection. Recent work achieves promising performance by optimizing the Intersection over Union~(IoU). However, IoU-based loss has the gradient vanish problem in the case of low…

计算机视觉与模式识别 · 计算机科学 2022-04-27 Tu Zheng , Shuai Zhao , Yang Liu , Zili Liu , Deng Cai

Few-shot object detection (FSOD) aims to detect objects with limited samples for novel classes, while relying on abundant data for base classes. Existing FSOD approaches, predominantly built on the Faster R-CNN detector, entangle objectness…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Taijin Zhao , Heqian Qiu , Yu Dai , Lanxiao Wang , Fanman Meng , Qingbo Wu , Hongliang Li

Improving the reliability of deployed machine learning systems often involves developing methods to detect out-of-distribution (OOD) inputs. However, existing research often narrowly focuses on samples from classes that are absent from the…

机器学习 · 计算机科学 2024-12-11 Charles Guille-Escuret , Pierre-André Noël , Ioannis Mitliagkas , David Vazquez , Joao Monteiro

This paper presents a fast, principled approach for detecting anomalous and out-of-distribution (OOD) samples in deep neural networks (DNN). We propose the application of linear statistical dimensionality reduction techniques on the…

机器学习 · 计算机科学 2022-03-22 Ibrahima J. Ndiour , Nilesh A. Ahuja , Omesh Tickoo

Predictive machine learning models generally excel on in-distribution data, but their performance degrades on out-of-distribution (OOD) inputs. Reliable deployment therefore requires robust OOD detection, yet this is particularly…

机器学习 · 计算机科学 2026-02-19 David Graber , Victor Armegioiu , Rebecca Buller , Siddhartha Mishra