Optimum Detection of Image-Adaptive Watermarking in the DCT Domain.
Wei LiuLina DongWenjun ZengPublished in: ICIP (2006)
Keyphrases
- watermark detection
- dct domain
- post processing
- spread spectrum
- watermarking scheme
- image watermarking
- spatial domain
- image data
- low pass filtering
- image blocks
- watermarking algorithm
- transform domain
- video watermarking
- input image
- watermarking technique
- image resizing
- image features
- quantization step
- multiscale
- image retrieval
- digital watermarking
- copyright protection
- image classification
- image segmentation
- jpeg compressed images
- preprocessing
- digital images
- dct coefficients
- discrete cosine transform
- human visual system
- jpeg compression
- low frequency
- compressed images
- signal processing
- digital video
- high resolution
- subband
- image regions
- compressed domain
- watermark embedding
- test images
- reference frame