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Add Line.optical_distance().

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This commit is contained in:
Andrey Golovizin 2014-08-26 17:02:03 +02:00
parent 91f24da142
commit 22f5c5e2b1
1 changed files with 7 additions and 3 deletions
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10
pixelocr/page.py
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@ -85,9 +85,9 @@ class PageObject(object):
return self.image.fits(left, top, right, bottom) return self.image.fits(left, top, right, bottom)
def _optical_correction(self, other): def _optical_correction(self, other, T=True):
image1 = self.image image1 = self.image.T if T else self.image
image2 = other.image image2 = other.image.T if T else other.image
base = min(image1.top, image2.top) base = min(image1.top, image2.top)
height = max(image1.bottom, image2.bottom) - base height = max(image1.bottom, image2.bottom) - base
bitmap1 = np.hstack([np.ones((image1.height, 1)), image1.bitmap]) bitmap1 = np.hstack([np.ones((image1.height, 1)), image1.bitmap])
@ -182,6 +182,10 @@ class Line(PageObject):
mask = labels[blob_slice] != label mask = labels[blob_slice] != label
return image.mask(mask) return image.mask(mask)
def optical_distance(self, other):
distance = other.top - self.bottom
return distance + self._optical_correction(other, T=True)
class Glyph(PageObject): class Glyph(PageObject):
MIN_BODY_HEIGHT = 10 MIN_BODY_HEIGHT = 10