Reducing Blocking Artifacts in CNN-Based Image Steganography by Additional Loss Functions.
Tuan Dung PhamViet Cuong TaThi Thanh Thuy PhamThanh Ha LePublished in: KSE (2020)
Keyphrases
- loss function
- blocking artifacts
- image quality
- post processing
- compressed images
- low bit rate
- discrete cosine transform
- higher quality
- pairwise
- support vector
- learning to rank
- high frequency
- reconstructed image
- image compression
- dct domain
- image quality assessment
- image reconstruction
- precision and recall
- block matching
- convex loss functions
- multiscale
- multiresolution
- image data
- peak signal to noise ratio
- higher order
- markov random field
- evaluation measures
- pixel values