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Niblack local thresholding

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Niblack local thresholding

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18 Mar 2013 (Updated )

A traditional local image thresholding.

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Description

This is an implementation of a traditional Niblack local image thresholding with an integral image method, which guarantees constant computation time regardless of the neighborhood size.

The method can be described like:
  if pixel > (mean + k * standard_deviation)
     pixel = object;
  else
     pixel = background;
  end

MATLAB release MATLAB 6.5 (R13)
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Updates
10 May 2013

Better code illustration.

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