A Dual Tree Complex Discrete Cosine Harmonic Wavelet Transform (ADCHWT) and Its Application to Signal/Image Denoising.
M. ShivamurtiS. V. NarasimhanPublished in: J. Signal Inf. Process. (2011)
Keyphrases
- image denoising
- dual tree
- wavelet transform
- wavelet coefficients
- denoising
- wavelet domain
- noisy images
- natural images
- wavelet packet
- high frequency
- image processing
- discrete wavelet transform
- shift invariant
- multiresolution
- low frequency
- denoising algorithm
- frequency domain
- signal processing
- subband
- image compression
- wavelet decomposition
- image data
- feature selection
- computationally efficient
- higher order
- wavelet filters