Robust first quantization matrix estimation based on filtering of recompression artifacts for non-aligned double compressed JPEG images.
Nandita DalmiaManish OkadePublished in: Signal Process. Image Commun. (2018)
Keyphrases
- jpeg images
- file size
- compressed domain
- dct coefficients
- content aware
- compressed images
- discrete cosine transform
- compression algorithm
- jpeg compression
- dct domain
- spatial domain
- lossy compression
- high quality
- data hiding
- transform domain
- error correction
- digital images
- watermarking technique
- video analysis
- frequency domain