Statistical image watermark decoder by modeling local NSST-PHFMs magnitudes with Morgenstern-type bivariate-generalized exponential distribution.
Xiangyang WangYupan LinYixuan ShenPanpan NiuHongying YangPublished in: Pattern Anal. Appl. (2023)
Keyphrases
- image processing operations
- input image
- spatial distribution
- image data
- image features
- geometric distortions
- decoding process
- image blocks
- multiscale
- digital images
- image retrieval
- watermarking technique
- test images
- watermarking method
- high resolution
- digital watermark
- pixel values
- von neumann
- spread spectrum
- image regions
- auto correlation
- forgery detection