Rotation, scaling, and translation-invariant multi-bit watermarking based on log-polar mapping and discrete Fourier transform.
Wilson W. L. FungAkiomi KunisaPublished in: ICME (2005)
Keyphrases
- discrete fourier transform
- translation invariant
- log polar mapping
- fourier transform
- log polar
- frequency domain
- denoising
- wavelet transform
- multiscale
- mathematical morphology
- wavelet packet
- spatial domain
- discrete cosine transform
- structuring elements
- noisy images
- wavelet domain
- image compression
- signal processing
- image processing