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Fix None prevKeyPoints for multi-object tracking (#9386)

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Co-authored-by: UltralyticsAssistant <web@ultralytics.com>
Co-authored-by: Laughing <61612323+Laughing-q@users.noreply.github.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
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Moses 2024-03-30 14:59:57 -07:00 • committed by GitHub
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ultralytics/trackers/utils/gmc.py
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@ -319,7 +319,7 @@ class GMC:
keypoints = cv2.goodFeaturesToTrack(frame, mask=None, **self.feature_params) keypoints = cv2.goodFeaturesToTrack(frame, mask=None, **self.feature_params)
# Handle first frame # Handle first frame
if not self.initializedFirstFrame: if not self.initializedFirstFrame or self.prevKeyPoints is None:
self.prevFrame = frame.copy() self.prevFrame = frame.copy()
self.prevKeyPoints = copy.copy(keypoints) self.prevKeyPoints = copy.copy(keypoints)
self.initializedFirstFrame = True self.initializedFirstFrame = True