Comments (2)
π Hello @wleisenr, thank you for raising an issue about Ultralytics HUB π! Please visit our HUB Docs to learn more:
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Hello! Thanks for reaching out with your issue on pose estimation accuracy during dynamic motions like a baseball pitch. π
It sounds like the model might be struggling with occlusions and fast movements typical in sports actions. Here are a couple of suggestions that might help improve the accuracy:
-
Data Augmentation: If not already done, consider augmenting your training dataset with more examples of similar poses and motions, especially where limbs overlap or move rapidly.
-
Model Fine-tuning: If possible, fine-tune the model on a dataset that includes more sports actions, particularly baseball pitching, to help the model better learn these specific movements.
-
Post-processing: Since you've tried interpolation, consider also implementing more advanced smoothing techniques that can handle sudden changes in pose estimation, like Kalman filters or moving average filters.
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Increase Model Complexity: If computational resources allow, using a more complex model might capture dynamics better.
Here's a quick example of how you might implement a simple moving average for smoothing:
import numpy as np
def smooth_pose(predictions, window_size=3):
return np.convolve(predictions, np.ones(window_size)/window_size, mode='valid')
# Example usage with dummy data
predicted_poses = np.array([10, 12, 15, 20, 28, 18, 15, 14, 13, 12])
smoothed_poses = smooth_pose(predicted_poses)
print(smoothed_poses)
Hope this helps! Let us know how it goes or if you have further questions.
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