Exploring LSB Substitution and Pixel-value Differencing for Block-based Adaptive Data Hiding.
Yuan-Yu TsaiJian-Ting ChenChi-Shiang ChanPublished in: Int. J. Netw. Secur. (2014)
Keyphrases
- data hiding
- secret data
- cover image
- pixel values
- error correction
- data embedding
- spatial domain
- reversible data hiding
- spread spectrum
- image quality
- information hiding
- secret message
- high capacity
- gray level
- watermarking technique
- least significant bit
- discrete cosine transform
- binary images
- frequency domain
- digital images
- stego image
- motion estimation
- grayscale images
- error diffusion
- wavelet transform
- video sequences