Improving distribution and flexible quantization for DCT coefficients.
Jarek DudaPublished in: CoRR (2020)
Keyphrases
- dct coefficients
- dct domain
- discrete cosine transform
- quantization step
- transform domain
- compressed domain
- jpeg images
- jpeg compression
- discrete cosine transformation
- pixel domain
- feature vectors
- image compression
- watermarking algorithm
- three dimensional
- spatial domain
- coded images
- blocking artifacts
- low frequency
- pattern recognition
- watermark embedding
- computer vision
- jpeg compressed images
- post processing
- image processing