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Adaptive image-smoothing using a coplanar matrix and its application to document image binarization.
Lixin Fan
Liying Fan
Chew Lim Tan
Published in:
Int. J. Document Anal. Recognit. (2003)
Keyphrases
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image smoothing
image binarization
document images
image processing and computer vision
spatially varying
edge preserving
optical character recognition
partial differential equations
computer vision
image compression
image restoration
anisotropic diffusion
hardware implementation
nonlinear diffusion