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mmcls.models.ShuffleNetV2

class mmcls.models.ShuffleNetV2(widen_factor=1.0, out_indices=(3,), frozen_stages=- 1, conv_cfg=None, norm_cfg={'type': 'BN'}, act_cfg={'type': 'ReLU'}, norm_eval=False, with_cp=False, init_cfg=None)[源代码]

ShuffleNetV2 backbone.

参数
  • widen_factor (float) – Width multiplier - adjusts the number of channels in each layer by this amount. Default: 1.0.

  • out_indices (Sequence[int]) – Output from which stages. Default: (0, 1, 2, 3).

  • frozen_stages (int) – Stages to be frozen (all param fixed). Default: -1, which means not freezing any parameters.

  • conv_cfg (dict, optional) – Config dict for convolution layer. Default: None, which means using conv2d.

  • norm_cfg (dict) – Config dict for normalization layer. Default: dict(type=’BN’).

  • act_cfg (dict) – Config dict for activation layer. Default: dict(type=’ReLU’).

  • norm_eval (bool) – Whether to set norm layers to eval mode, namely, freeze running stats (mean and var). Note: Effect on Batch Norm and its variants only. Default: False.

  • with_cp (bool) – Use checkpoint or not. Using checkpoint will save some memory while slowing down the training speed. Default: False.

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