The DCT domain sparsity-assisted detection and recovery of impulsively disturbed samples.
Milos BrajovicIsidora StankovicMilos DakovicLjubisa StankovicPublished in: Multim. Tools Appl. (2021)
Keyphrases
- dct domain
- post processing
- watermark detection
- spatial domain
- dct coefficients
- compressed domain
- human visual system
- discrete cosine transform
- transform domain
- low pass filtering
- digital video
- compressed images
- low frequency
- sparse representation
- reference frame
- high frequency
- image blocks
- ground truth
- training set
- image processing