Helloteacher, I really don’t understand this part: (rand_idx = np.random.randint(0, x_q.shape[1]); q_t = F.normalize(self.head_q(q_t[:, rand_idx]), dim=-1)). Why specifically extract a random time point instead of expanding over all time points?

[yvxingkk]

[yvxingkk]

I did not find that part in your paper.

[12302019]

文章提到回望窗口的问题

[yyg1282142265]

Do you understand now? I don't understand this part either.