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⚡️ Speed up function _extract_segmentation_annotation by 12% #44

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⚡️ Speed up function _extract_segmentation_annotation by 12% #44

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9 changes: 6 additions & 3 deletions ultralytics/utils/callbacks/comet.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,6 @@
from typing import Any, List, Optional

import cv2
import numpy as np

from ultralytics.utils import LOGGER, RANK, SETTINGS, TESTS_RUNNING, ops
from ultralytics.utils.metrics import ClassifyMetrics, DetMetrics, OBBMetrics, PoseMetrics, SegmentMetrics
Expand Down Expand Up @@ -242,8 +241,12 @@ def _extract_segmentation_annotation(segmentation_raw: str, decode: Callable) ->
try:
mask = decode(segmentation_raw)
contours, _ = cv2.findContours(mask, cv2.RETR_LIST, cv2.CHAIN_APPROX_SIMPLE)
annotations = [np.array(polygon).squeeze() for polygon in contours if len(polygon) >= 3]
return [annotation.ravel().tolist() for annotation in annotations]
out: List[List[Any]] = []
for polygon in contours:
if len(polygon) >= 3:
flat = polygon.reshape(-1)
out.append(flat.tolist())
return out
except Exception as e:
LOGGER.warning(f"COMET WARNING: Failed to extract segmentation annotation: {e}")
return None
Expand Down