Steganalysis of multi-class JPEG images based on expanded Markov features and polynomial fitting.
Qingzhong LiuAndrew H. SungBernardete RibeiroRita FerreiraPublished in: IJCNN (2008)
Keyphrases
- multi class
- jpeg images
- multiple classes
- discrete cosine transform
- support vector machine
- data hiding
- feature extraction
- error correcting output codes
- pairwise
- low bit rate
- multi class classification
- spatial domain
- compression algorithm
- compressed images
- image data
- feature vectors
- lossy compression
- image processing
- multi class classifier
- compressed domain
- svm classifier
- maximum likelihood
- image features
- classification accuracy
- similarity measure
- decision trees