A digital audio watermarking scheme using selective mid band DCT coefficients and energy threshold.
Tribhuwan Kumar TewariVikas SaxenaJ. P. GuptaPublished in: Int. J. Speech Technol. (2014)
Keyphrases
- digital audio
- watermarking scheme
- dct coefficients
- watermarking algorithm
- jpeg compression
- dct domain
- spread spectrum
- discrete cosine transform
- digital video
- digital watermarking
- transform domain
- image watermarking
- error correction
- compressed domain
- jpeg images
- copyright protection
- watermarking technique
- watermark embedding
- geometric distortions
- lossy compression
- audio signal
- feature vectors
- low frequency
- filter bank
- image compression