Image Quality Improvement Using Shift Variant and Shift Invariant Based Wavelet Transform Methods: A Novel Approach.
Sugandha AgarwalO. P. SinghDeepak NagariaAnil Kumar TiwariShikha SinghPublished in: Int. J. Multim. Data Eng. Manag. (2017)
Keyphrases
- shift invariant
- shift variant
- wavelet transform
- wavelet coefficients
- wavelet domain
- multiscale
- test images
- image analysis
- image data
- computationally demanding
- input image
- image retrieval
- piecewise constant
- low frequency
- sparse coding
- rotation invariant
- image representation
- image features
- discrete wavelet transform
- multiresolution
- image segmentation
- high resolution