技術標籤：零基礎學習SSD網路PyTorch實現Deep-Learning-with-PyTorch《深度學習之PyTorch實戰計算機視覺》

總結:

兩個元素為布林型別的張量進行+操作,其效果類似於逐元素求邏輯或運算.

C:\Users\chenxuqi>
C:\Users\chenxuqi>conda activate ssd4pytorch1_2_0

(ssd4pytorch1_2_0) C:\Users\chenxuqi>python
Python 3.7.7 (default, May  6 2020, 11:45:54) [MSC v.1916 64 bit (
 
AMD64)] :: Anaconda, Inc. on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import torch
>>>
>>> pos_idx = torch.tensor([[True,True],[False,False]])
>>> pos_idx
tensor([[ True,  True],
        [
 
False, False]])
>>>
>>> neg_idx = torch.tensor([[True,False],[True,False]])
>>> neg_idx
tensor([[ True, False],
        [ True, False]])
>>>
>>> pos_idx + neg_idx
tensor([[ True,  True],
        [ True, False]])
>>>
>>>
>>>