A Digital Watermark based on the Wavelet Transform and its Robustness on Image Compression.
Hisashi InoueAkio MiyazakiAkihiro YamamotoTakashi KatsuraPublished in: ICIP (2) (1998)
Keyphrases
- wavelet transform
- image compression
- digital watermark
- lossy compression
- subband
- multiresolution
- multiscale
- high frequency
- digital watermarking
- wavelet coefficients
- wavelet domain
- reconstructed image
- compression algorithm
- jpeg compression
- low frequency
- watermarking scheme
- compression ratio
- watermarked image
- image watermarking
- feature extraction
- discrete cosine transform
- lossless compression
- copyright protection
- image processing operations
- low bit rate
- digital images
- discrete wavelet transform
- image segmentation
- image quality
- geometric distortions
- computational complexity