Sensor Pattern Noise Estimation Based on Improved Locally Adaptive DCT Filtering and Weighted Averaging for Source Camera Identification and Verification.
Ashref LawgalyFouad KhelifiPublished in: IEEE Trans. Inf. Forensics Secur. (2017)
Keyphrases
- weighted averaging
- locally adaptive
- noise estimation
- denoising
- denoising methods
- noisy images
- image denoising
- noise model
- noise level
- frequency domain
- natural images
- image processing
- wavelet domain
- bilateral filtering
- noise removal
- subband
- discrete cosine transform
- wavelet packet
- denoising algorithm
- transform domain
- gaussian noise
- spatial domain
- coding method
- image compression
- linear filters
- higher order
- median filter
- maximum likelihood