Neural networks for document image preprocessing: state of the art

A Threshold Selection Method from Gray-Level Histograms

Nobuyuki Otsu · IEEE Transactions on Systems Man and Cybernetics · 1979 · 43.1K citations

Computing, Computer Science, Computer Vision +12

Image analysis and mathematical morphology

Computer Graphics and Image Processing · 1982 · 8.2K citations

Computing, Computer Science, Mathematics +14

Visual pattern recognition by moment invariants

Ming-Kuei Hu · IRE Transactions on Information Theory · 1962 · 7.5K citations

Computing, Computer Science, Mathematics +15

Image Analysis and Mathematical Morphology.

P. J. Diggle, J. Serra · Biometrics · 1983 · 3.9K citations

Computing, Computer Science, Mathematics +14

Handbook of pattern recognition and image processing

Computer Vision Graphics and Image Processing · 1986 · 766 citations

Computing, Computer Science, Computer Vision +13