""" Applies a rotation and translation to feature map x. Args: x: (b, c, h, w) feature map flow: (b, 6) 6DoF vector (only uses the xy poriton) mode: use 'nearest' when dealing with categorical inputs Returns: in plane transformed feature map描述的什么?
时间: 2024-02-10 10:30:26 浏览: 41
这段代码描述了如何对输入的特征图进行旋转和平移变换。其中,输入特征图 x 的维度是 (b, c, h, w),表示批次大小、通道数、高度和宽度,flow 是一个 6 自由度的向量,用于指定在 xy 平面上的旋转和平移变换。在变换过程中,可以选择使用 'nearest' 模式来处理分类型输入。最终的输出是经过变换后的特征图。
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r=map(lambda x:int(x)**3,str(num))
This line of code takes a number `num`, converts it to a string, and then maps a lambda function to each character in the string.
The lambda function takes an argument `x`, which represents each individual character in the string. The `int(x)` converts the character to an integer value, and `**3` raises it to the power of 3 (cubed).
The `map()` function then applies the lambda function to every character in the string and returns an iterator of the resulting values. The `r` variable is assigned to this iterator.
a, b = map(int, input().split())
This line of code takes input from the user in the form of two integers separated by a space. The `input()` function takes the input from the user as a string, and the `split()` function splits this string at the space and returns a list of two strings. The `map()` function applies the `int()` function to each element of this list, converting the strings to integers. Finally, the two integers are assigned to variables `a` and `b`.
For example, if the user enters "4 5" as input, `a` will be assigned the value 4 and `b` will be assigned the value 5.