Frequency Domain Approach for Activity Classification using Accelerometer
Wan-Young ChungAmit PurwarAnnapurna SharmaPublished in: CoRR (2011)
Keyphrases
- frequency domain
- feature extraction
- spatial domain
- fourier transform
- pattern recognition
- cross correlation
- power spectrum
- subband
- feature vectors
- frequency analysis
- feature space
- denoising
- fourier analysis
- phase correlation
- pattern classification
- discrete fourier transform
- spectrum analysis
- spectral domain
- frequency domain analysis
- preprocessing
- facial asymmetry
- fast fourier transform
- fourier domain
- low pass
- machine learning
- principal component analysis
- multiresolution
- frequency spectrum
- template matching
- image coding
- affine invariance