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Highlights from
Spot Border Detection

from Spot Border Detection by Eduard Polityko
Spot on image ? get border as numeric array and a number of measurements of a spot and a border

cleanf.m 
%script cleanf
if I(i,j)|~I(i-1,j)|~I(i+1,j)
  return
end
if I(i,j+1)&I(i,j-1)
    I(i,j)=1;
    return
end
if (~I(i,j+1))&I(i-1,j+1)...
    &I(i+1,j+1)...
    &I(i-1,j-1)>0&I(i+1,j-1)>0
    I(i,j)=1;
end

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