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32 lines
1.1 KiB
32 lines
1.1 KiB
""" AvgPool2d w/ Same Padding
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Hacked together by Ross Wightman
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"""
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import torch
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import torch.nn as nn
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import torch.nn.functional as F
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from typing import List
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import math
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from .helpers import tup_pair
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from .padding import pad_same
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def avg_pool2d_same(x, kernel_size: List[int], stride: List[int], padding: List[int] = (0, 0),
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ceil_mode: bool = False, count_include_pad: bool = True):
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x = pad_same(x, kernel_size, stride)
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return F.avg_pool2d(x, kernel_size, stride, (0, 0), ceil_mode, count_include_pad)
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class AvgPool2dSame(nn.AvgPool2d):
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""" Tensorflow like 'SAME' wrapper for 2D average pooling
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"""
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def __init__(self, kernel_size: int, stride=None, padding=0, ceil_mode=False, count_include_pad=True):
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kernel_size = tup_pair(kernel_size)
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stride = tup_pair(stride)
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super(AvgPool2dSame, self).__init__(kernel_size, stride, (0, 0), ceil_mode, count_include_pad)
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def forward(self, x):
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return avg_pool2d_same(
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x, self.kernel_size, self.stride, self.padding, self.ceil_mode, self.count_include_pad)
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