32 lines
1022 B
Python
32 lines
1022 B
Python
from itertools import combinations
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from typing import List
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from cv_analysis.utils import until, make_merger_sentinel
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from cv_analysis.utils.rectangle import Rectangle
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from cv_analysis.utils.spacial import is_related
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def connect_related_rectangles(rectangles: List[Rectangle]) -> List[Rectangle]:
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assert isinstance(rectangles, list)
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no_new_merges = make_merger_sentinel()
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return until(no_new_merges, merge_rectangles_once, rectangles)
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def merge_rectangles_once(rectangles: List[Rectangle]) -> List[Rectangle]:
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for alpha, beta in combinations(rectangles, 2):
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if is_related(alpha, beta):
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rectangles.remove(alpha)
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rectangles.remove(beta)
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rectangles.append(bounding_rect(alpha, beta))
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return rectangles
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return rectangles
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def bounding_rect(alpha: Rectangle, beta: Rectangle) -> Rectangle:
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return Rectangle(
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min(alpha.x1, beta.x1),
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min(alpha.y1, beta.y1),
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max(alpha.x2, beta.x2),
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max(alpha.y2, beta.y2),
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)
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