Adaptive post-filtering of JPEG compressed images considering compressed domain lossless data hiding.
Seung-Won JungPublished in: Inf. Sci. (2014)
Keyphrases
- block dct
- compressed domain
- jpeg compressed images
- dct domain
- data hiding
- dct coefficients
- compressed images
- spatial domain
- lossy compression
- watermarking technique
- discrete cosine transform
- blocking artifacts
- image compression
- motion vectors
- error correction
- jpeg images
- image quality
- inter frame
- jpeg compression
- bitstream
- post processing
- video analysis
- lossless compression
- digital images
- motion estimation
- transform domain
- frequency domain
- digital video
- visual quality
- bit rate
- wavelet transform
- video sequences
- reconstructed image
- compression ratio
- low bit rate
- human visual system
- coding scheme
- image data