The use of a filter bank and the Wigner-Ville distribution for time-frequency representation.
Farook SattarGöran SalomonssonPublished in: IEEE Trans. Signal Process. (1999)
Keyphrases
- filter bank
- wavelet packet
- image coding
- signal processing
- subband
- frequency domain
- multiscale
- multiresolution
- wavelet transform
- subband coding
- perfect reconstruction
- filter responses
- denoising
- computationally efficient
- computer vision
- discrete cosine transform
- non stationary
- image representation
- feature vectors
- machine learning
- random variables
- image classification
- image processing
- feature selection
- optimal filter
- steerable pyramid