Using PSO in a spatial domain based image hiding scheme with distortion tolerance.
Punam BediRoli BansalPriti SehgalPublished in: Comput. Electr. Eng. (2013)
Keyphrases
- spatial domain
- distortion measure
- additive noise
- fourier domain
- frequency domain
- log polar
- spectral domain
- high frequency components
- transform domain
- watermarked image
- input image
- wavelet domain
- image data
- discrete cosine transformation
- temporal domain
- projections onto convex sets
- template matching
- enhanced image
- edge direction
- data hiding
- cover image
- multiscale
- embedded image
- dct domain
- image segmentation
- secret image
- geometric distortions
- image resizing
- motion estimation
- post processing
- similarity measure
- secret message
- jpeg images
- image blocks
- low frequency
- test images
- face recognition