Shift-invariant discrete wavelet transform analysis for retinal image classification.
April KhademiSridhar KrishnanPublished in: Medical Biol. Eng. Comput. (2007)
Keyphrases
- shift invariant
- discrete wavelet transform
- wavelet domain
- image classification
- wavelet coefficients
- dual tree
- multiresolution
- rotation invariant
- subband
- shift invariance
- sparse coding
- high frequency
- wavelet transform
- image analysis
- image fusion
- phase information
- multiscale
- low frequency
- spatial domain
- feature extraction
- image denoising
- edge preserving
- bag of words
- image representation
- feature vectors
- dual tree complex wavelet transform