JPEG anti-forensics using non-parametric DCT quantization noise estimation and natural image statistics.
Wei FanKai WangFrançois CayreZhang XiongPublished in: IH&MMSec (2013)
Keyphrases
- noise estimation
- natural image statistics
- adaptive quantization
- discrete cosine transform
- natural images
- denoising
- low bit rate
- dct coefficients
- image compression
- noise level
- rate distortion
- jpeg images
- noisy images
- natural scenes
- image statistics
- independent component analysis
- transform domain
- image denoising
- jpeg compression
- image patches
- image quality assessment
- compressed domain
- wavelet packet
- subband
- video compression
- wavelet domain
- sparse coding
- bit rate
- image quality
- image structure
- denoising algorithm
- visual quality
- edge detection
- reconstructed image
- compression ratio
- compression algorithm
- filter bank
- video coding
- wavelet transform