Feature Extraction of Seal Imprint Based on the Double-Density Dual-Tree DWT.
Runwu LiZhijun FangShengqian WangShouyuan YangPublished in: International Conference on Computational Science (2) (2007)
Keyphrases
- dual tree
- feature extraction
- wavelet transform
- discrete wavelet transform
- wavelet features
- dt cwt
- feature vectors
- subband
- shift invariant
- wavelet coefficients
- wavelet domain
- multiresolution
- wavelet packet
- image compression
- image coding
- dual tree complex wavelet transform
- denoising
- texture images
- texture features
- high frequency
- image denoising
- texture analysis
- palmprint
- image classification
- feature selection
- feature space
- multiscale
- low frequency
- image processing
- face recognition
- principal component analysis
- dimensionality reduction
- gabor filters
- texture classification
- image fusion
- wavelet decomposition
- higher order
- gabor wavelets
- rotation invariant