Digital Image Steganography Scheme for Speech Signals in the Discrete Wavelet Transform Domain.
Ariel Rodriguez MendezClara Cruz-RamosRogelio Reyes-ReyesVolodymyr I. PonomaryovPublished in: Computación y Sistemas (2020)
Keyphrases
- transform domain
- digital images
- secret message
- speech signal
- least significant bit
- spatial domain
- spread spectrum
- data hiding
- additive noise
- speech recognition
- image blocks
- cover image
- bit plane
- discrete cosine transform
- information hiding
- watermarking technique
- digital watermarking
- frequency domain
- copyright protection
- watermark embedding
- dct coefficients
- hidden information
- data embedding
- image authentication
- watermarked image
- distributed video coding
- macroblock
- wavelet domain
- image processing
- secret data
- jpeg images