Vegetation High-Impedance Faults' High-Frequency Signatures via Sparse Coding.
Douglas P. S. GomesCagil R. OzansoyAnwaar UlhaqPublished in: IEEE Trans. Instrum. Meas. (2020)
Keyphrases
- high frequency
- sparse coding
- low frequency
- sparse representation
- dictionary learning
- natural images
- image classification
- high resolution
- linear combination
- visual quality
- wavelet transform
- unsupervised learning
- image patches
- shift invariant
- generative model
- image representation
- discrete wavelet transform
- remote sensing
- wavelet coefficients
- subband
- sparse codes
- feature space
- frequency band
- low resolution
- visual words
- frequency domain
- high dimensional
- wavelet domain
- super resolution
- signal processing
- data analysis