Hybrid optimization for secure and robust digital image watermarking with DWT, DCT and SPIHT.
Chandan KumarPublished in: Multim. Tools Appl. (2024)
Keyphrases
- digital image watermarking
- geometric attacks
- watermark detection
- image watermarking
- digital watermark
- jpeg compression
- watermarking algorithm
- digital watermarking
- discrete wavelet transform
- image compression
- spread spectrum
- low bit rate
- digital images
- wavelet coefficients
- wavelet transform
- discrete cosine transform
- watermarking scheme
- spatial domain
- compressed images
- watermarking technique
- copyright protection
- compression ratio
- subband
- image quality
- additive noise
- coding method
- lossy compression
- bitstream
- post processing