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Primary Quantization Matrix Estimation of Double Compressed JPEG Images via CNN.
Yakun Niu
Benedetta Tondi
Yao Zhao
Mauro Barni
Published in:
IEEE Signal Process. Lett. (2020)
Keyphrases
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jpeg images
file size
compressed domain
compression algorithm
discrete cosine transform
data structure
data hiding
dct coefficients
compressed images
high frequency
spatial domain
jpeg compression