Robust Watermarking Scheme for Vector Geographic Data Based on the Ratio Invariance of DWT-CSVD Coefficients.
Chengyi QuXu XiJinglong DuTong WuPublished in: ISPRS Int. J. Geo Inf. (2022)
Keyphrases
- geographic data
- robust watermarking scheme
- wavelet coefficients
- discrete wavelet transform
- discrete wavelet transformation
- spatial data
- geographic information systems
- transform domain
- multiresolution
- geographic information
- wavelet transform
- geographical information systems
- wavelet domain
- watermarking scheme
- feature vectors
- spatial queries
- subband
- spatial domain
- digital libraries
- web documents