Reversible Image Data Hiding Using Quad-tree Segmentation and Histogram Shifting.
Yih-Chuan LinTzung-Shian LiPublished in: J. Multim. (2011)
Keyphrases
- data hiding
- reversible data hiding
- data hiding scheme
- tamper detection
- quadtree
- image segmentation
- multiscale
- image representation
- embedded image
- test images
- gray value
- image regions
- secret message
- edge detection
- image data
- high capacity
- input image
- secret data
- image features
- watermarking technique
- pixel values
- image classification
- quad trees
- image content
- data embedding
- similarity measure
- multiresolution
- image retrieval
- cover image
- gray level
- spread spectrum
- information hiding
- error correction
- halftone images
- jpeg images
- color images