Digital Image Encryption Research Based on DWT and Chaos.
Qiang WangQun DingZhong ZhangLina DingPublished in: ICNC (5) (2008)
Keyphrases
- digital images
- jpeg compression
- digital watermarking
- encryption algorithm
- discrete wavelet transform
- digital signature
- image authentication
- information hiding
- image watermarking
- multiresolution
- encryption scheme
- digital image processing
- digital camera
- copyright protection
- watermarking technique
- black and white
- digital content
- low frequency
- wavelet transform
- security analysis
- wavelet domain
- subband
- lifting scheme
- image processing
- lossy compression
- jpeg images
- frequency domain
- pseudorandom
- motion estimation
- fractional differential