A robust speech watermarking based on Quantization Index Modulation and Double Discrete Cosine Transform.
Shengbei WangXu-Yang LiuXin DangJianming WangPublished in: CISP-BMEI (2017)
Keyphrases
- discrete cosine transform
- data hiding
- watermarking technique
- dct coefficients
- image watermarking
- jpeg images
- jpeg compression
- quantization index modulation
- image compression
- watermarking method
- watermark detection
- transform domain
- digital images
- projection onto convex sets
- dct domain
- image blocks
- filter bank
- compressed images
- watermarking algorithm
- spread spectrum
- pattern recognition
- watermarked image
- error correction
- computationally efficient
- super resolution
- feature vectors