Steganalysis for palette-based images using generalized difference image and color correlogram.
Hong ZhaoHongxia WangMuhammad Khurram KhanPublished in: Signal Process. (2011)
Keyphrases
- input image
- image data
- image features
- image collections
- test images
- image retrieval
- image classification
- image regions
- color histogram
- image analysis
- jpeg images
- pixel values
- segmentation method
- image set
- pixel wise
- image structure
- spatial information
- image matching
- lighting conditions
- segmentation algorithm
- color features
- web images
- image content
- color correlogram
- visual features
- feature points
- image database
- image descriptors
- keypoints
- pixel intensities
- pixel level
- image indexing
- multiscale
- image transformations
- object recognition
- image registration
- image quality
- image search
- image representation
- gray level
- motion estimation
- texture features
- secret image
- image processing