facebookresearch / facebookresearch/sam2
Prompting with vague segmentation mask
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Description
Hi,
I tried prompting the model with a vague segmentation mask that I obtained from another model. The prompt isn’t very accurate, but it at least covers the object of interest. I expected SAM2 to refine the mask more precisely, but the results are not better.
Here is the mask prompt:
And result from SAM:
There are small patches scattered on the right side, and the left side of the mask is completely off.
What could be the reason? Does SAM2 always need a point/box to refine the masks?
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