Improving distribution and flexible quantization for DCT coefficients.

Published in: CoRR (2020)

Keyphrases

dct coefficients
dct domain
discrete cosine transform
quantization step
transform domain
compressed domain

jpeg images
jpeg compression
discrete cosine transformation
pixel domain
feature vectors
image compression

watermarking algorithm
three dimensional
spatial domain
coded images
blocking artifacts
low frequency

pattern recognition
watermark embedding
computer vision
jpeg compressed images
post processing
image processing