High Frequency Audio Devices Based Inaudible Ultrasonic Hand Tracking System Using Subspace Method.
Xu ChengXiangyu LiPublished in: SENSORS (2023)
Keyphrases
- high frequency
- subspace methods
- low frequency
- high resolution
- wavelet transform
- subband
- ensemble methods
- wavelet coefficients
- linear discriminant analysis
- high frequency components
- principal component analysis
- face recognition
- discrete wavelet transform
- benchmark datasets
- signal processing
- dimensionality reduction
- multiscale
- lower dimensional
- linear subspace
- image processing
- computer vision