Statistical image watermark decoder based on local frequency-domain Exponent-Fourier moments modeling.
Xiang-Yang WangXin ShenJia-lin TianPan-pan NiuHong-Ying YangPublished in: Multim. Tools Appl. (2021)
Keyphrases
- frequency domain
- spatial domain
- fourier domain
- fourier transform
- cross correlation
- low frequency
- fourier descriptors
- power spectrum
- discrete fourier transform
- log polar
- fourier analysis
- watermarked image
- discrete cosine transformation
- image data
- denoising
- fast fourier transform
- phase correlation
- feature extraction
- input image
- power spectra
- image processing operations
- directional filtering
- wavelet domain
- image segmentation
- digital images
- image watermarking
- subband
- edge detection
- template matching
- radon transform
- geometric distortions
- transform domain
- low pass
- spread spectrum
- watermarking technique
- digital watermark
- spectrum analysis
- spectral signatures
- motion estimation
- high resolution