Feature Extraction - Example bifurcation with short branch...

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Feature Extraction Endings have one black pixel in 8-neighborhood. Bifurcations have more than 2 black pixels in 8- neighborhood. Noise and previous processing steps produce extraneous minutiae . They can be reduced by a thresholding method.
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Unformatted text preview: Example:- bifurcation with short branch is a spur;- two endings on a short line is line due to noise;- two endings closely opposing is a broken ridge;- endings at the boundary is due to projection;...
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