Towards Quantized DCT Coefficients Restoration for Compressed Images.
Tong OuyangZhenzhong ChenShan LiuPublished in: VCIP (2020)
Keyphrases
- dct coefficients
- compressed images
- dct domain
- discrete cosine transform
- compressed domain
- transform domain
- jpeg compression
- image restoration
- image compression
- jpeg images
- jpeg compressed images
- feature vectors
- blocking artifacts
- watermarking algorithm
- bitstream
- image blocks
- image processing
- visual quality
- motion vectors
- spatial domain
- compression ratio
- frequency domain
- digital images
- preprocessing
- three dimensional