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One-Class Classification

One-class classification (OCC) algorithms serve a crucial role in scenarios where the negative class is either absent, poorly sampled, or not well defined. This unique situation presents a challenge for building effective classifiers, as they must delineate the class boundary solely based on knowledge of the positive class. OCC has found application in various research domains, including outlier/novelty detection and concept learning.

In the context of anomaly detection, OCC models are trained exclusively on "normal" data and are subsequently tasked with identifying anomalous patterns during inference.

A one-class classifier aims at capturing characteristics of training instances, in order to be able to distinguish between them and potential outliers to appear.

— Page 139, Learning from Imbalanced Data Sets, 2018.

Papers

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Showing 26–50 of 227 papers

TitleStatusHype
Meta Learning for Few-Shot One-class ClassificationCode1
Few-Shot One-Class Classification via Meta-LearningCode1
Explainable Deep One-Class ClassificationCode1
Viral Pneumonia Screening on Chest X-ray Images Using Confidence-Aware Anomaly DetectionCode1
One-Class Graph Neural Networks for Anomaly Detection in Attributed NetworksCode1
Unsupervised Traffic Accident Detection in First-Person VideosCode1
One-Class Convolutional Neural NetworkCode1
SD-MAD: Sign-Driven Few-shot Multi-Anomaly Detection in Medical Images—0
Adversarial Subspace Generation for Outlier Detection in High-Dimensional DataCode0
RoCA: Robust Contrastive One-class Time Series Anomaly Detection with Contaminated DataCode0
From Pixels to Trajectory: Universal Adversarial Example Detection via Temporal Imprints—0
FedDyMem: Efficient Federated Learning with Dynamic Memory and Memory-Reduce for Unsupervised Image Anomaly Detection—0
Anomaly Detection in Smart Power Grids with Graph-Regularized MS-SVDD: a Multimodal Subspace Learning Approach—0
One Class Restricted Kernel MachinesCode0
Teacher Encoder-Student Decoder Denoising Guided Segmentation Network for Anomaly Detection—0
Score Combining for Contrastive OOD Detection—0
On the Adversarial Robustness of Benjamini Hochberg—0
Beyond Generation: A Diffusion-based Low-level Feature Extractor for Detecting AI-generated Images—0
Task-Specific Gradient Adaptation for Few-Shot One-Class Classification—0
MEATRD: Multimodal Anomalous Tissue Region Detection Enhanced with Spatial TranscriptomicsCode0
Disentangling Tabular Data Towards Better One-Class Anomaly DetectionCode0
Point Cloud Novelty Detection Based on Latent Representations of a General Feature Extractor—0
On The Relationship between Visual Anomaly-free and Anomalous Representations—0
Linear-time One-Class Classification with Repeated Element-wise FoldingCode0
Non-Robust Features are Not Always Useful in One-Class Classification—0
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