def get_average_line_height(top_bottoms):
"""Tricksy - get height of median line?
"""
lheights = [b - t for t, b in top_bottoms]
lhm = numpy.max(lheights)
def weight(val):
return 0 if val < (lhm / 2) else 1
weights = numpy.vectorize(weight)(lheights)
return numpy.average(numpy.array(lheights), weights=weights)
def get_average_line_height(top_bottoms):
"""Tricksy - get height of median line?
"""
lheights = [b - t for t, b in top_bottoms]
lhm = numpy.max(lheights)
def weight(val):
return 0 if val < (lhm / 2) else 1
weights = numpy.vectorize(weight)(lheights)
return numpy.average(numpy.array(lheights), weights=weights)
def calc_bounding_boxes(self):
"""Get bounding boxes if connected components."""
concomps = iulib.intarray()
concomps.copy(self.inverted)
iulib.label_components(concomps, False)
bboxes = iulib.rectarray()
iulib.bounding_boxes(bboxes, concomps)
self.boxes = []
for i in range(bboxes.length()):
if bboxes.at(i).area() > (self.inverted.dim(0) *
self.inverted.dim(1) * 0.95):
continue
self.boxes.append(i2r(bboxes.at(i)))
# get the average text height, excluding any %%
self.avgheight = trimmed_mean(numpy.sort(numpy.array(
[r.height() for r in self.boxes])), 5, 5)
# remove large or weird boxes from the inverted images
self.boxes = strip_non_chars(self.inverted, self.boxes, self.avgheight)
def calc_bounding_boxes(self):
"""Get bounding boxes if connected components."""
concomps = iulib.intarray()
concomps.copy(self.inverted)
iulib.label_components(concomps, False)
bboxes = iulib.rectarray()
iulib.bounding_boxes(bboxes, concomps)
self.boxes = []
for i in range(bboxes.length()):
if bboxes.at(i).area() > (self.inverted.dim(0) *
self.inverted.dim(1) * 0.95):
continue
self.boxes.append(i2r(bboxes.at(i)))
# get the average text height, excluding any %%
self.avgheight = trimmed_mean(
numpy.sort(numpy.array([r.height() for r in self.boxes])), 5, 5)
# remove large or weird boxes from the inverted images
self.boxes = strip_non_chars(self.inverted, self.boxes, self.avgheight)
