Computational Data Analysis for First Quantization Estimation on JPEG Double Compressed Images.
Sebastiano BattiatoOliver GiudiceFrancesco GuarneraGiovanni PuglisiPublished in: ICPR (2020)
Keyphrases
- compressed images
- image compression
- artifact reduction
- transform coding
- visual quality
- image coder
- discrete cosine transform
- compressed domain
- compression ratio
- image quality measures
- bitstream
- reconstructed image
- blocking artifacts
- jpeg images
- dct domain
- entropy coding
- dct coefficients
- image quality
- computational complexity
- bit planes
- data embedding
- preprocessing
- image data
- peak signal to noise ratio
- computer vision
- subband
- spatial domain
- compression algorithm