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难负样本采样细节 #5

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Fly2flies opened this issue Oct 24, 2023 · 0 comments
Open

难负样本采样细节 #5

Fly2flies opened this issue Oct 24, 2023 · 0 comments

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@Fly2flies
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  • 论文里面说课程学习的难负样本采样会根据一个概率，如果大于这个概率，则用论文里面的采样方式。 但是如果不大于这个概率，是用的什么采样方式了，直接随机采样K个负样本输入到单塔模型吗？
  • 还有就是想请教一下，为什么采样难负样本的时候，是采样和正样本分数最接近的K个样本，而不是分数最大的K个样本，这个看起来更困难一点。
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@Fly2flies