44 lines
1.9 KiB
Python
44 lines
1.9 KiB
Python
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import cv2
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import numpy as np
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from typing import List, Dict, Any
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from shapely.geometry import Polygon
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import logging
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class MaskModule:
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def __init__(self, logger, base_dir):
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self.logger = logger
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self.base_dir = base_dir
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self.logger.log("마스크 모듈 초기화 완료", level=logging.INFO)
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def create_masks(self, image_path: str, ocr_results: List[Dict], expansion_size: int = 10, blur_size: int = 10, mask_option: str = "basic") -> np.ndarray:
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image = cv2.imread(image_path)
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if image is None:
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self.logger.log(f"이미지를 읽을 수 없습니다: {image_path}", level=logging.ERROR)
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return None
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height, width = image.shape[:2]
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mask = np.zeros((height, width), dtype=np.uint8)
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for i, result in enumerate(ocr_results, 1):
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polygon = result['polygon']
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expanded_poly = self.expand_polygon(polygon, offset=5)
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cv2.fillPoly(mask, [expanded_poly], 255)
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processed_mask = self.process_mask(mask, expansion_size, blur_size)
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return processed_mask
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def expand_polygon(self, polygon, offset=15):
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poly = Polygon(polygon)
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expanded = poly.buffer(offset)
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if expanded.is_empty:
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return np.array(polygon, dtype=np.int32)
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return np.array(expanded.exterior.coords, dtype=np.int32)
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def process_mask(self, mask: np.ndarray, expansion_size: int = 5, blur_size: int = 3) -> np.ndarray:
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processed_mask = mask.copy()
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if expansion_size > 0:
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kernel = np.ones((expansion_size, expansion_size), np.uint8)
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processed_mask = cv2.dilate(processed_mask, kernel, iterations=1)
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if blur_size > 0:
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blur_size = blur_size if blur_size % 2 == 1 else blur_size + 1
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processed_mask = cv2.GaussianBlur(processed_mask, (blur_size, blur_size), 0)
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return processed_mask
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