Anomalous IoT Sensor Data Detection: An Efficient Approach Enabled by Nonlinear Frequency-Domain Graph Analysis.
Zhenlong XiaoHe FangXianbin WangPublished in: IEEE Internet Things J. (2021)
Keyphrases
- frequency domain
- sensor data
- frequency analysis
- spatial domain
- fourier transform
- fourier analysis
- cross correlation
- anomaly detection
- sensor networks
- power spectrum
- data streams
- feature selection
- power spectra
- spectrum analysis
- fourier domain
- computer vision
- subband
- human activities
- signal processing
- decision support system
- low cost
- denoising
- high resolution
- health monitoring
- multiresolution
- image analysis
- feature extraction
- low cost sensors