Edge-preserving prefiltering for document image binarization.

Liying Fan Chew Lim Tan Lixin Fan

Published in: ICIP (1) (2001)

Keyphrases

edge preserving
image binarization
document images
image restoration
noise reduction
anisotropic diffusion
least squares
hardware implementation
optical character recognition
binarization method
multiscale
object recognition
maximum a posteriori