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Statistical Model of JPEG Noises and Its Application in Quantization Step Estimation.
Bin Li
Tian-Tsong Ng
Xiaolong Li
Shunquan Tan
Jiwu Huang
Published in:
IEEE Trans. Image Process. (2015)
Keyphrases
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statistical model
quantization step
statistical models
dct domain
jpeg compression
step size
facial shape
compression algorithm
dct coefficients
cost function
wavelet transform
image compression
spatial domain
error diffusion