SAM iou_score is greater than 1?

[shubhamiit]

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I used the sam notebook for inference and I wonder how can the iou_scores are greater than 1?

In examples, given in sam notebooks, iou_scores are greater than 1, is it a bug or am I missing something?

demo notebook- https://github.com/huggingface/notebooks/blob/main/examples/segment_anything.ipynb

Thanks in advance.