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- from abc import ABC
- from chainer_addons.dataset import AugmentationMixin
- from chainer_addons.dataset import PreprocessMixin
- from cvdatasets.dataset import AnnotationsReadMixin
- from cvdatasets.dataset import CroppedPartMixin
- from cvdatasets.dataset import IteratorMixin
- from finetune.dataset import _base_mixin
- class _parts_mixin(ABC):
- def get_example(self, i):
- im_obj = super(_parts_mixin, self).get_example(i)
- crops = im_obj.visible_crops(None)
- parts = crops + [im_obj.im_array]
- return parts, im_obj.label + self.label_shift
- class PartsDataset(_base_mixin,
- # augmentation and preprocessing
- AugmentationMixin, PreprocessMixin,
- _parts_mixin,
- # random uniform region selection
- CroppedPartMixin,
- # reads image
- AnnotationsReadMixin,
- IteratorMixin):
- def __init__(self, no_glob=False, *args, **kwargs):
- super(PartsDataset, self).__init__(*args, **kwargs)
- # mask = self.labels < 10
- # self.uuids = self.uuids[mask]
- self.no_glob = no_glob
- def get_example(self, i):
- X, y = super(PartsDataset, self).get_example(i)
- X_parts, X_glob = X[:-1], X[-1]
- if self.no_glob:
- return X_parts, y
- else:
- return X_parts, X_glob, y
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