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Support CPU for mask_to_rle_pytorch_2 #105

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Dec 13, 2023
Merged

Support CPU for mask_to_rle_pytorch_2 #105

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5 changes: 4 additions & 1 deletion segment_anything_fast/utils/amg.py
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Original file line number Diff line number Diff line change
Expand Up @@ -114,7 +114,10 @@ def mask_to_rle_pytorch_2(tensor: torch.Tensor) -> List[Dict[str, Any]]:

# Compute change indices
diff = tensor[:, 1:] ^ tensor[:, :-1]
a = torch.tensor([[True]]).pin_memory().cuda().expand_as(diff.narrow(1, 0, 1))
a = torch.tensor([[True]])
if diff.is_cuda:
a = a.pin_memory().cuda()
a = a.expand_as(diff.narrow(1, 0, 1))
diff = torch.cat([a, diff, a], dim=1)
change_indices = diff.nonzero()

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