Reversible fragile watermarking for locating tampered blocks in JPEG images.
Xinpeng ZhangShuozhong WangZhenxing QianGuorui FengPublished in: Signal Process. (2010)
Keyphrases
- jpeg images
- fragile watermarking
- dct coefficients
- jpeg compression
- discrete cosine transform
- dct domain
- image blocks
- transform domain
- information hiding
- compressed domain
- watermarking algorithm
- watermark embedding
- compression algorithm
- feature vectors
- low frequency
- spatial domain
- compressed images
- image processing
- additive noise
- macroblock
- high frequency
- image compression