基于Zernike矩和NSCT-SVD的数字水印算法研究 (Watermarking Algorithm Based on Zernike Moments and NSCT-SVD).
Ying ChenHongyuan ZhengQiulin DingPublished in: 计算机科学 (2016)
Keyphrases
- zernike moments
- singular value decomposition
- watermarking algorithm
- moment invariants
- pseudo zernike moments
- image reconstruction
- rotation invariant
- shape descriptors
- fourier descriptors
- feature vectors
- high order
- invariant features
- basis functions
- affine invariant
- singular values
- polar coordinates
- jpeg compression
- image representation
- watermarking scheme
- signal processing
- wavelet domain
- geometric moments
- computer vision
- gray level