A Novel HDR Image Zero-Watermarking Based on Shift-Invariant Shearlet Transform.
Shanshan ShiTing LuoJiangtao HuangMeng DuPublished in: Secur. Commun. Networks (2021)
Keyphrases
- shift invariant
- translation invariant
- high dynamic range
- dynamic range
- wavelet domain
- rotation invariant
- wavelet coefficients
- discrete wavelet transform
- sparse coding
- hdr images
- digital images
- edge preserving
- multiscale
- linear combination
- wavelet transform
- multiresolution
- blurred images
- human visual system
- sparse representation
- generative model
- image quality
- computational complexity