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Detecting Non-aligned Double JPEG Compression Based on Refined Intensity Difference and Calibration.
Jianquan Yang
Guopu Zhu
Junlong Wang
Yun-Qing Shi
Published in:
IWDW (2013)
Keyphrases
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jpeg compression
intensity difference
digital images
watermarking algorithm
watermarking scheme
discrete wavelet transform
dct coefficients
edge information
gaussian noise
peak signal to noise ratio
gray level
noise model
multiresolution
probabilistic model
noise level
denoising
image processing
input image