Detecting doubly compressed images based on quantization noise model and image restoration.
Yi-Lei ChenChiou-Ting HsuPublished in: MMSP (2009)
Keyphrases
- image restoration
- noise model
- compressed images
- gaussian noise
- poisson noise
- image compression
- total variation
- visual quality
- edge preserving
- noise level
- super resolution
- noisy images
- image deconvolution
- gaussian distribution
- image processing
- markov random field
- dct domain
- compression ratio
- impulse noise
- discrete cosine transform
- motion blur
- blurred images
- bitstream
- image deblurring
- blocking artifacts
- compressed domain
- optimization procedure
- reconstructed image
- quantization noise
- image quality
- denoising
- denoising algorithm
- high resolution