An efficient feature extraction methodology for blind image steganalysis using contourlet transform and Zernike moments.
Ehsan ShakeriShahrokh GhaemmaghamiPublished in: ISCISC (2013)
Keyphrases
- zernike moments
- contourlet transform
- feature extraction
- feature vectors
- subband
- image representation
- rotation invariant
- wavelet transform
- multiscale
- texture images
- image reconstruction
- image classification
- fourier descriptors
- discrete wavelet transform
- multiresolution
- invariant features
- shape descriptors
- high order
- texture analysis
- texture classification
- feature space
- texture features
- translation invariant
- frequency domain
- high frequency
- image denoising
- face recognition
- affine invariant
- feature set
- image processing
- shape features
- gabor filters
- wavelet coefficients
- image features
- feature selection
- basis functions
- palmprint
- computationally efficient
- face images
- color images
- object recognition
- similarity measure