An Improved Algorithm for Data Hiding Using HH-subband Haar Wavelet Coefficients.
Stuti BazajSachin ModiAnand MohanSurya Pal SinghPublished in: Int. J. Adv. Comp. Techn. (2010)
Keyphrases
- wavelet coefficients
- data hiding
- subband
- wavelet transform
- wavelet decomposition
- frequency domain
- spatial domain
- wavelet domain
- filter bank
- image compression
- discrete wavelet transform
- multiresolution
- high frequency
- shift invariant
- feature vectors
- error correction
- bit rate
- image denoising
- low frequency
- wavelet filters
- locally adaptive
- noisy images
- bit plane
- low pass
- bitstream
- image coder
- wavelet packet
- wavelet subbands
- image coding
- lossy compression
- visual quality
- wavelet coding
- feature extraction