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Improved Tensor Dimension Handling in predict_masks Method for fine tuning #580

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Improved Tensor Dimension Handling in predict_masks Method for fine tuning #580

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9d446d9
Update mask_decoder.py
sushmanthreddy Sep 29, 2023
c779d45
Update mask_decoder.py
sushmanthreddy Sep 29, 2023
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6 changes: 5 additions & 1 deletion segment_anything/modeling/mask_decoder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,11 @@ def predict_masks(
tokens = torch.cat((output_tokens, sparse_prompt_embeddings), dim=1)

# Expand per-image data in batch direction to be per-mask
src = torch.repeat_interleave(image_embeddings, tokens.shape[0], dim=0)
if image_embeddings.shape[0] != tokens.shape[0]:
src = torch.repeat_interleave(image_embeddings, tokens.shape[0], dim=0)
else:
src = image_embeddings

src = src + dense_prompt_embeddings
pos_src = torch.repeat_interleave(image_pe, tokens.shape[0], dim=0)
b, c, h, w = src.shape
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