Audio Watermarking Based on HAS and Neural Networks in DCT Domain.
Hung-Hsu TsaiJi-Shiung ChengPao-Ta YuPublished in: EURASIP J. Adv. Signal Process. (2003)
Keyphrases
- dct domain
- neural network
- spatial domain
- post processing
- dct coefficients
- transform domain
- compressed domain
- human visual system
- pattern recognition
- digital video
- compressed images
- quantization step
- discrete cosine transform
- low pass filtering
- low frequency
- frequency domain
- image resizing
- video transcoding
- high frequency
- jpeg compression
- image blocks
- image processing
- reference frame
- image quality
- feature space
- wavelet domain
- visual quality
- motion estimation
- preprocessing
- similarity measure
- feature extraction