JPEG quantization table mismatched steganalysis via robust discriminative feature transformation.
Likai ZengXiangwei KongMing LiYanqing GuoPublished in: Media Watermarking, Security, and Forensics (2015)
Keyphrases
- jpeg images
- quantization table
- feature transformation
- linear classifiers
- scale invariant
- feature extraction
- compression algorithm
- image quality
- compressed images
- speaker identification
- feature space
- discrete cosine transform
- information hiding
- spatial domain
- discrete cosine transformation
- image compression
- distance metric
- jpeg compression
- dct coefficients
- low bit rate
- data hiding
- transform domain
- step size
- feature vectors
- lossy compression
- face recognition