A zero-watermarking algorithm for vector geographic data based on feature invariants.
Shuai WangLiming ZhangQihang ZhangYu LiPublished in: Earth Sci. Informatics (2023)
Keyphrases
- watermarking algorithm
- geographic data
- feature vectors
- jpeg compression
- geographic information systems
- wavelet domain
- signal processing
- geographic information
- spatial data
- watermarking scheme
- natural images
- machine learning
- image features
- multiresolution
- multiscale
- wavelet transform
- object recognition
- moment invariants
- computational complexity
- geographical information systems
- database systems