Secured color image watermarking technique in DWT-DCT domain
Baisa L. GunjalSuresh N. MaliPublished in: CoRR (2011)
Keyphrases
- dct domain
- watermarking technique
- color images
- compressed domain
- image watermarking
- digital watermarking
- dct coefficients
- lossy compression
- jpeg compression
- watermark detection
- watermarking algorithm
- discrete wavelet transform
- video watermarking
- spatial domain
- copyright protection
- data hiding
- gray scale
- quantization step
- digital images
- low frequency
- motion vectors
- video analysis
- watermarking scheme
- image processing
- transform domain
- post processing
- discrete cosine transform
- inter frame
- frequency domain
- wavelet domain
- geometric distortions
- bitstream
- watermarked image
- reference frame
- image blocks
- human visual system
- high frequency
- motion estimation
- multiresolution
- digital video
- macroblock
- digital content
- compression algorithm
- signal to noise ratio
- video data
- denoising
- watermark embedding
- high quality