JPEG Quantized Coefficient Recovery via DCT Domain Spatial-Frequential Transformer.
Mingyu OuyangZhenzhong ChenPublished in: CoRR (2023)
Keyphrases
- dct coefficients
- dct domain
- discrete cosine transform
- compressed domain
- jpeg compression
- transform domain
- jpeg images
- compressed images
- quantization step
- spatial domain
- feature vectors
- watermarking algorithm
- blocking artifacts
- post processing
- image resizing
- jpeg compressed images
- macroblock
- image blocks
- human visual system
- image compression
- digital video
- filter bank
- bit plane
- low frequency
- inter frame
- block boundaries