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An improved binarization algorithm based on a water flow model for document image with inhomogeneous backgrounds.
Hyun-Hwa Oh
Kil-Taek Lim
Sung-Il Chien
Published in:
Pattern Recognit. (2005)
Keyphrases
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document images
mathematical model
objective function
theoretical analysis
optimal solution
optimization algorithm
image binarization
optimization method
combinatorial optimization
optical character recognition
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