A zero-watermark scheme with geometrical invariants using SVM and PSO against geometrical attacks for image protection.
Hung-Hsu TsaiYen-Shou LaiShih-Che LoPublished in: J. Syst. Softw. (2013)
Keyphrases
- image data
- watermarking technique
- robust watermarking scheme
- image processing operations
- input image
- geometric distortions
- image authentication
- image classification
- multiscale
- image retrieval
- image features
- moment invariants
- transform domain
- watermarking method
- image segmentation
- digital images
- pixel values
- image blocks
- particle swarm optimization pso
- support vector machine svm
- protection scheme
- embedded image
- video watermarking
- watermarking algorithm
- test images
- copyright protection
- image processing
- feature vectors
- support vector
- image watermarking scheme
- quasi invariant
- affine invariant