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您正在阅读 MMSelfSup 0.x 版本的文档，而 MMSelfSup 0.x 版本将会在 2022 年末开始逐步停止维护。我们建议您及时升级到 MMSelfSup 1.0.0rc 版本，享受由 OpenMMLab 2.0 带来的更多新特性和更佳的性能表现。阅读 MMSelfSup 1.0.0rc 的发版日志, 代码和文档获取更多信息。

mmselfsup.models.necks.avgpool2d_neck 源代码

# Copyright (c) OpenMMLab. All rights reserved.
import torch.nn as nn
from mmcv.runner import BaseModule

from ..builder import NECKS


[文档]@NECKS.register_module()
class AvgPool2dNeck(BaseModule):
    """The average pooling 2d neck."""

    def __init__(self, output_size=1):
        super(AvgPool2dNeck, self).__init__()
        self.avgpool = nn.AdaptiveAvgPool2d(output_size)

[文档]    def forward(self, x):
        """Forward function."""
        assert len(x) == 1
        return [self.avgpool(x[0])]