JPEG quantization step estimation with coefficient histogram and spectrum analyses.

Heng Yao Hongbin Wei Tong Qiao Chuan Qin

Published in: J. Vis. Commun. Image Represent. (2020)

Keyphrases

quantization step
dct domain
jpeg compression
step size
dct coefficients
spatial domain
compressed domain
error diffusion
feature extraction
cost function
watermarking algorithm
digital images
post processing
compression algorithm
discrete wavelet transform