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google-research / uda

Unsupervised Data Augmentation (UDA)
https://arxiv.org/abs/1904.12848
Apache License 2.0
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what does the P_i mean? #107

Open LinRds opened 3 years ago

LinRds commented 3 years ago

2021-04-23 10-26-40 的屏幕截图 Hello there, i am confused with the definition of $P_i$，the formula $Pi = \sum{x \in C_i}P_L(x)$ indicates that it is the sum of the probability of all labeled example which belong to $C_i$. 10-02-18 For examle in (b), the two red point in the bottom right corner are belong to same component $C_3$, so $P_3 = P_L(red_1) + P_L(red_2)$.However it can't guarantee $P_3 \le 1$，so i wonder how to understand the definition of $P_i$.