Commutative encryption and watermarking based on SVD for secure GIS vector data.
Na RenMing ZhaoChangqing ZhuXiaohui SunYazhou ZhaoPublished in: Earth Sci. Informatics (2021)
Keyphrases
- vector data
- spatial data
- geospatial data
- encryption scheme
- key management
- information hiding
- image authentication
- geographic information systems
- authentication scheme
- lossy compression
- spatial databases
- image space
- digital images
- remote sensing images
- aerial images
- remote sensing
- lossless compression
- copyright protection
- satellite imagery
- public key
- data collection
- data management
- secret key
- data hiding
- r tree
- watermarking scheme
- ciphertext
- spatial objects
- databases
- dimensionality reduction
- wavelet transform
- data analysis
- urban areas
- watermarking algorithm
- multiple sources
- spatial relationships
- big data
- image compression
- image processing