An Improved Bipolar Quantization-Based High-Capacity Watermarking Algorithm for Speech Perceptual Hashing Authentication System.
Qiu-Yu ZhangShuang YuWen-Jin HuSi-Bin QiaoTao ZhangPublished in: J. Inf. Hiding Multim. Signal Process. (2016)
Keyphrases
- high capacity
- watermarking algorithm
- digital watermarking
- watermarking technique
- image authentication
- barcode
- watermark embedding
- jpeg compression
- watermarking scheme
- copyright protection
- signal processing
- information hiding
- watermarked image
- data hiding
- wavelet domain
- image watermarking
- human visual system
- error correction
- lossy compression
- dct coefficients
- speech signal
- computational complexity
- multiresolution
- image quality
- wavelet coefficients