90 lines
2.6 KiB
Python
90 lines
2.6 KiB
Python
import os
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from PIL import Image, ImageDraw
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from typing import List
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from pathlib import Path
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class Point:
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def __init__(self, x: int, y: int):
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self.x = int(x)
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self.y = int(y)
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def __repr__(self) -> str:
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return f"Point(x={self.x}, y={self.y})"
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class Bbox:
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THREADHOLD = 0.4
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def __init__(self, x, y, h, w, label: str = None, confidence: float = 0, content: str = None):
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self.p = Point(x, y)
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self.h = int(h)
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self.w = int(w)
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self.label = label
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self.confidence = confidence
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self.content = content
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@property
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def ul_point(self) -> Point:
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return self.p
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@property
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def ur_point(self) -> Point:
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return Point(self.p.x + self.w, self.p.y)
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@property
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def ll_point(self) -> Point:
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return Point(self.p.x, self.p.y + self.h)
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@property
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def lr_point(self) -> Point:
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return Point(self.p.x + self.w, self.p.y + self.h)
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def same_row(self, other) -> bool:
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if (self.p.y >= other.p.y and self.ll_point.y <= other.ll_point.y) or (
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self.p.y <= other.p.y and self.ll_point.y >= other.ll_point.y
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):
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return True
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if self.ll_point.y <= other.p.y or self.p.y >= other.ll_point.y:
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return False
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return 1.0 * abs(self.p.y - other.p.y) / max(self.h, other.h) < self.THREADHOLD
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def __lt__(self, other) -> bool:
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'''
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from top to bottom, from left to right
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'''
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if not self.same_row(other):
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return self.p.y < other.p.y
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else:
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return self.p.x < other.p.x
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def __repr__(self) -> str:
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return f"Bbox(upper_left_point={self.p}, h={self.h}, w={self.w}), label={self.label}, confident={self.confidence}, content={self.content})"
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def draw_bboxes(img: Image.Image, bboxes: List[Bbox], name="annotated_image.png"):
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curr_work_dir = Path(os.getcwd())
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log_dir = curr_work_dir / "logs"
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log_dir.mkdir(exist_ok=True)
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drawer = ImageDraw.Draw(img)
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for bbox in bboxes:
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# Calculate the coordinates for the rectangle to be drawn
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left = bbox.p.x
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top = bbox.p.y
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right = bbox.p.x + bbox.w
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bottom = bbox.p.y + bbox.h
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# Draw the rectangle on the image
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drawer.rectangle([left, top, right, bottom], outline="green", width=1)
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# Optionally, add text label if it exists
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if bbox.label:
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drawer.text((left, top), bbox.label, fill="blue")
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if bbox.content:
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drawer.text((left, bottom - 10), bbox.content[:10], fill="red")
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# Save the image with drawn rectangles
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img.save(log_dir / name)
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