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Estimation of Primary Quantization Steps in Double-Compressed JPEG Images Using a Statistical Model of Discrete Cosine Transform.
Thanh Hai Thai
Rémi Cogranne
Published in:
IEEE Access (2019)
Keyphrases
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statistical model
jpeg images
discrete cosine transform
dct coefficients
image compression
compressed domain
transform domain
dct domain
compression algorithm
compressed images
blocking artifacts
filter bank
image blocks
jpeg compression
low bit rate
computational complexity
data hiding