Anti-forensics of JPEG compression detection schemes using approximation of DCT coefficients.
Tanmoy Kanti DasPublished in: Multim. Tools Appl. (2018)
Keyphrases
- jpeg compression
- dct coefficients
- forgery detection
- discrete cosine transform
- dct domain
- transform domain
- jpeg images
- watermarking algorithm
- compressed domain
- feature vectors
- image authentication
- digital watermark
- quantization step
- digital images
- low frequency
- watermarking scheme
- macroblock
- discrete cosine transformation
- image compression
- jpeg compressed images
- additive noise
- digital watermarking
- blocking artifacts
- compressed images
- image blocks
- frequency domain
- filter bank
- high frequency
- image data