PositionalEncoding¶ class mmocr.models.common.PositionalEncoding(d_hid=512, n_position=200, dropout=0)[源代码]¶ Fixed positional encoding with sine and cosine functions. forward(x)[源代码]¶ 参数 x (Tensor) – Tensor of shape (batch_size, pos_len, d_hid, …)