Noise estimation for blocking artifacts reduction in DCT coded images.

Jeonghun Yang Hyuk Choi Taejeong Kim

Published in: IEEE Trans. Circuits Syst. Video Technol. (2000)

Keyphrases

blocking artifacts
coded images
discrete cosine transform
image quality
low bit rate
post processing
higher quality

high frequency
compressed images
dct coefficients
reconstructed image
dct domain
image compression
block matching

image quality assessment
bit rate
visual quality
transform domain
low frequency
image reconstruction
filter bank

error concealment
pixel values
image segmentation
human visual system
denoising
optical flow
computational complexity