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from .quad import Quad |
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class TextLines: |
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''' |
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The abstrct class of text lines in an input image for scene text detection and recognition. |
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Input: |
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lines: |
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- text: the text content of a text instance. |
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poly: the quadrangle-box of the text instance. |
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charboxes: the quadrangle-box of the characters inside the corresponding text instance. |
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''' |
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def __init__(self, lines, with_charboxes=True): |
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self.texts = [] |
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quads = [] |
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self.charboxes = [] |
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for line in lines: |
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self.texts.append(line['text']) |
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quads.append(line['poly']) |
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if with_charboxes and 'charboxes' in line: |
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self.charboxes.append(Quad(line['charboxes'])) |
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self.with_charboxes = len(self.charboxes) > 0 |
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self.quads = Quad(quads) |
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self._rects = None |
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def __iter__(self): |
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for text, quad in zip(self.texts, self.quads): |
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yield(text, quad) |
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@property |
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def rects(self): |
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if self._rects is None: |
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self._rects = self.quads.rectify() |
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return self._rects |
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def __len__(self): |
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return len(self.texts) |
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def char_count(self): |
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return sum([len(t) for t in self.texts]) |
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