Digital Image Steganography Based on Combination of DCT and DWT.
Vijay KumarDinesh KumarPublished in: ICT (2010)
Keyphrases
- digital images
- jpeg compression
- jpeg images
- digital watermarking
- discrete cosine transform
- image watermarking
- copyright protection
- least significant bit
- discrete wavelet transform
- spread spectrum
- image blocks
- digital camera
- multiresolution
- information hiding
- forgery detection
- watermarked image
- transform domain
- dct coefficients
- data embedding
- image compression
- image authentication
- spatial domain
- watermark detection
- signal processing
- black and white
- digital imaging
- dct domain
- data hiding
- low frequency