Optimised blind image watermarking method based on firefly algorithm in DWT-QR transform domain.
Yong GuoBing-Zhao LiNavdeep GoelPublished in: IET Image Process. (2017)
Keyphrases
- transform domain
- watermarking method
- spatial domain
- input image
- digital watermarking
- image data
- watermarked image
- jpeg images
- spread spectrum
- dct coefficients
- discrete cosine transform
- low frequency
- image segmentation
- multiscale
- high resolution
- discrete wavelet transform
- watermarking scheme
- dct domain
- edge detection
- singular value decomposition
- test images
- high frequency
- lossy compression
- denoising
- image watermarking
- image processing