Statistical characterisation of block variance and AC DCT coefficients for power law enhanced images.

Neetu Singh Abhinav Gupta Roop C. Jain

Published in: IET Image Process. (2018)

Keyphrases

dct coefficients
power law
discrete cosine transform
dct domain
enhanced image
transform domain
compressed domain
jpeg compression
jpeg images
watermarking algorithm
image blocks
image enhancement
feature vectors
contrast enhancement
low frequency
low contrast
macroblock
visual quality
video data
wavelet transform