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First Quantization Matrix Estimation From Double Compressed JPEG Images.
Fausto Galvan
Giovanni Puglisi
Arcangelo Ranieri Bruna
Sebastiano Battiato
Published in:
IEEE Trans. Inf. Forensics Secur. (2014)
Keyphrases
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jpeg images
file size
compressed domain
compression algorithm
compressed images
discrete cosine transform
dct coefficients
data structure
data hiding
jpeg compression
multiresolution
digital images
motion vectors
lossy compression