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