Digital color image sharpening using fractional differentiation and discrete cosine transform.

Chien-Cheng Tseng Shyi-Chyi Cheng

Published in: ISCIT (2012)

Keyphrases

discrete cosine transform
image sharpening
color images
image compression
dct coefficients
transform domain
digital camera
filter bank
adobe photoshop
jpeg images
gray scale
discrete fourier transform
spatial domain
scanned images
image processing
low cost
high quality