Wavelet Packet and Adaptive Spatial Transformation of Watermark for Digital Image Authentication.
Min-Jen TsaiKuang-Yao YuYi-Zhang ChenPublished in: ICIP (2000)
Keyphrases
- image authentication
- wavelet packet
- watermarking scheme
- jpeg compression
- digital watermarking
- copyright protection
- semi fragile watermarking
- watermarking algorithm
- public key
- watermark embedding
- denoising
- filter bank
- digital content
- subband
- image content
- gaussian noise
- watermarking technique
- wavelet decomposition
- spread spectrum
- digital images
- discrete wavelet transform
- lossy compression
- multiresolution
- geometric distortions
- authentication scheme
- wavelet transform
- dct coefficients
- wavelet domain
- human visual system
- image data