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[WIP] Customizable vertical separators #138

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[WIP] Customizable vertical separators #138

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29f4873
The padding around vertical black separators was too wide.
jze Nov 19, 2015
e73d39a
larger search distance in both x and y direction
jze Dec 4, 2015
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4 changes: 2 additions & 2 deletions ocropus-gpageseg
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Original file line number Diff line number Diff line change
Expand Up @@ -149,7 +149,7 @@ def DSAVE(title,image):
def compute_separators_morph(binary,scale):
"""Finds vertical black lines corresponding to column separators."""
d0 = int(max(5,scale/4))
d1 = int(max(5,scale))+args.sepwiden
d1 = int(max(5,scale/4)) + args.sepwiden
thick = morph.r_dilation(binary,(d0,d1))
vert = morph.rb_opening(thick,(10*scale,1))
vert = morph.r_erosion(vert,(d0//2,args.sepwiden))
Expand Down Expand Up @@ -205,7 +205,7 @@ def compute_colseps_conv(binary,scale=1.0):
grad = (grad>0.5*amax(grad))
DSAVE("2grad",grad)
# combine edges and whitespace
seps = minimum(thresh,maximum_filter(grad,(int(scale),int(5*scale))))
seps = minimum(thresh,maximum_filter(grad,(int(5*scale),int(5*scale))))
seps = maximum_filter(seps,(int(2*scale),1))
DSAVE("3seps",seps)
# select only the biggest column separators
Expand Down