A new approach to reliable detection of LSB steganography in natural images.
Tao ZhangXijian PingPublished in: Signal Process. (2003)
Keyphrases
- natural images
- reliable detection
- data hiding
- data embedding
- least significant bit
- secret message
- hidden information
- information hiding
- digital images
- natural scenes
- multiscale
- object recognition
- denoising
- higher order
- image denoising
- input image
- cover image
- image patches
- image authentication
- sparse coding
- authentication scheme
- spatial domain
- receptive fields
- compressed images
- error correction
- power spectrum
- transform domain
- secret data
- natural image patches
- scale invariant
- jpeg images
- visual cortex
- natural image statistics
- statistics of natural images
- machine learning
- test images
- filter bank
- semi supervised
- pairwise
- image processing