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Co-authored-by: Ayush Chaurasia <ayush.chaurarsia@gmail.com> Co-authored-by: Tommy in Tongji <36354458+TommyZihao@users.noreply.github.com> Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: BIGBOSS-FOX <47949596+BIGBOSS-FOX@users.noreply.github.com> Co-authored-by: xbkaishui <xxkaishui@gmail.com>
36 lines
1.4 KiB
Python
36 lines
1.4 KiB
Python
# SAM model interface
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from ultralytics.yolo.cfg import get_cfg
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from .build import build_sam
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from .predict import Predictor
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class SAM:
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def __init__(self, model='sam_b.pt') -> None:
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if model and not model.endswith('.pt') and not model.endswith('.pth'):
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# Should raise AssertionError instead?
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raise NotImplementedError('Segment anything prediction requires pre-trained checkpoint')
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self.model = build_sam(model)
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self.predictor = None # reuse predictor
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def predict(self, source, stream=False, **kwargs):
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"""Predicts and returns segmentation masks for given image or video source."""
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overrides = dict(conf=0.25, task='segment', mode='predict')
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overrides.update(kwargs) # prefer kwargs
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if not self.predictor:
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self.predictor = Predictor(overrides=overrides)
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self.predictor.setup_model(model=self.model)
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else: # only update args if predictor is already setup
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self.predictor.args = get_cfg(self.predictor.args, overrides)
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return self.predictor(source, stream=stream)
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def train(self, **kwargs):
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"""Function trains models but raises an error as SAM models do not support training."""
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raise NotImplementedError("SAM models don't support training")
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def val(self, **kwargs):
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"""Run validation given dataset."""
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raise NotImplementedError("SAM models don't support validation")
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