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from ..builder import BBOX_SAMPLERS, build_sampler |
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from .base_sampler import BaseSampler |
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@BBOX_SAMPLERS.register_module() |
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class CombinedSampler(BaseSampler): |
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"""A sampler that combines positive sampler and negative sampler.""" |
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def __init__(self, pos_sampler, neg_sampler, **kwargs): |
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super(CombinedSampler, self).__init__(**kwargs) |
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self.pos_sampler = build_sampler(pos_sampler, **kwargs) |
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self.neg_sampler = build_sampler(neg_sampler, **kwargs) |
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def _sample_pos(self, **kwargs): |
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"""Sample positive samples.""" |
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raise NotImplementedError |
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def _sample_neg(self, **kwargs): |
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"""Sample negative samples.""" |
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raise NotImplementedError |
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