class_docstr: Image to Patch Embedding.
class_docstr_tok: ["Image","to","Patch","Embedding","."]
code: def forward(self, x):
      x = self.proj(x)
      # B C H W -> B H W C
      x = x.permute(0, 2, 3, 1)
      return x
  
imports: import math
  import torch
  import torch.nn
  import torch.nn.functional
  from mmcv.cnn import build_activation_layer, build_norm_layer
  from mmcv.cnn.bricks import DropPath
  from mmengine.logging import MMLogger
  from mmengine.model import BaseModule
  from mmengine.runner.checkpoint import CheckpointLoader
  from mmdet.registry import MODELS
label_desc: Use image node_id 2 for calling the PatchEmbed obj's underlying member method code with example usage: obj.forward(x) and returns: x