(item, prompt_item, image_h, image_w)
| 252 | return True |
| 253 | if any(keyword in text for keyword in ('AI', '确定', '安全验证', '生成背景')): |
| 254 | return True |
| 255 | if len(extract_chinese_chars(text)) == 0: |
| 256 | return True |
| 257 | x, y, w, h = item['bbox'] |
| 258 | if prompt_item is not None: |
| 259 | # IOU 过滤：与提示文本区域重叠 |
| 260 | if bbox_iou(item['bbox'], prompt_item['bbox']) > 0.05: |
| 261 | return True |
| 262 | # Y 区间重叠过滤：与提示文本在同一行的字符均排除 |
| 263 | px, py, pw, ph = prompt_item['bbox'] |
| 264 | item_y2 = y + h |
| 265 | prompt_y2 = py + ph |
| 266 | if y < prompt_y2 and item_y2 > py: |
| 267 | return True |
| 268 | # 顶部宽文本过滤（覆盖 prompt_item 为 None 的降级情形） |
| 269 | if y < int(image_h * 0.22) and w > int(image_w * 0.18) and '请' not in text: |
| 270 | return True |
| 271 | return False |
| 272 | |
| 273 | |
| 274 | def build_color_masks(crop): |
| 275 | gray = cv2.cvtColor(crop, cv2.COLOR_BGR2GRAY) |
| 276 | hsv = cv2.cvtColor(crop, cv2.COLOR_BGR2HSV) |
| 277 | |
| 278 | dark_mask = (gray < max(190, int(np.percentile(gray, 55)))).astype(np.uint8) * 255 |
| 279 | yellow_mask = ( |
| 280 | (hsv[:, :, 0] >= 8) |
| 281 | & (hsv[:, :, 0] <= 55) |
no test coverage detected