Vulnerability of pixel-value differencing steganography to histogram analysis and modification for enhanced security.
Xinpeng ZhangShuozhong WangPublished in: Pattern Recognit. Lett. (2004)
Keyphrases
- pixel values
- histogram analysis
- image quality
- information security
- cover image
- secret data
- gray level
- security vulnerabilities
- buffer overflow
- risk assessment
- intrusion detection
- median filter
- spread spectrum
- probability density function
- binary images
- least significant bit
- data hiding
- information hiding
- background subtraction
- color space
- feature extraction