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Checkpoint Loading Error When Increasing num_maskmem in SAM2 #585

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Morteza1814 opened this issue Feb 28, 2025 · 0 comments
Open

Checkpoint Loading Error When Increasing num_maskmem in SAM2 #585

Morteza1814 opened this issue Feb 28, 2025 · 0 comments

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@Morteza1814
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Changing num_maskmem from 7 to 21 in sam2.1_hiera_l.yaml causes a checkpoint loading error due to a size mismatch in maskmem_tpos_enc. The model expects shape [21,1,1,64], but the checkpoint has [7,1,1,64]. Should the model support flexible num_maskmem, or is retraining required for new values?
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@Morteza1814