Time series anomaly detection based on time–frequency domain with masking strategy and contrastive learning
Zhengkai Wang, Hui Liu, Longjing Kuang, Xueliang Zhang, Xiude Chen, Junzhao Du
Topics & Concepts
Computer scienceAnomaly detectionArtificial intelligenceNoise (video)Masking (illustration)Domain (mathematical analysis)Series (stratigraphy)Time seriesAnomaly (physics)Pattern recognition (psychology)Frequency domainProcess (computing)Machine learningTime domainDeep learningDomain knowledgeData miningLabeled dataSpeech recognitionTransfer of learningNoise reductionContrast (vision)Data modelingBaseline (sea)Raw dataFeature learningTraining setJoint probability distributionAnomaly Detection Techniques and ApplicationsTime Series Analysis and ForecastingNetwork Security and Intrusion Detection