Exploring Video Steganography for Hiding Images Based on Similar Lifting Wavelet Coefficients.
Kornkanok ChurinJitdumrong PreechasukChantana ChantrapornchaiPublished in: IAIT (2013)
Keyphrases
- wavelet coefficients
- wavelet transform
- wavelet transformation
- subband
- wavelet domain
- wavelet transform coefficients
- input image
- jpeg images
- image denoising
- multiresolution
- image data
- discrete wavelet transform
- wavelet transformed
- wavelet domain hidden markov tree
- bitstream
- wavelet bases
- high frequency
- image retrieval
- image compression
- multiscale
- wavelet subbands
- wavelet decomposition
- shift invariant
- video sequences
- video data
- feature vectors
- texture information
- denoising algorithm
- high compression ratio
- image coding
- low frequency
- computer vision
- filter bank
- edge detection
- image processing