From 7e8e54e84c63171e748bbf09516fd517e6821ace Mon Sep 17 00:00:00 2001 From: Gustaf Rydholm Date: Sat, 20 Mar 2021 18:09:06 +0100 Subject: Inital commit for refactoring to lightning --- src/text_recognizer/networks/mlp.py | 73 ------------------------------------- 1 file changed, 73 deletions(-) delete mode 100644 src/text_recognizer/networks/mlp.py (limited to 'src/text_recognizer/networks/mlp.py') diff --git a/src/text_recognizer/networks/mlp.py b/src/text_recognizer/networks/mlp.py deleted file mode 100644 index 1101912..0000000 --- a/src/text_recognizer/networks/mlp.py +++ /dev/null @@ -1,73 +0,0 @@ -"""Defines the MLP network.""" -from typing import Callable, Dict, List, Optional, Union - -from einops.layers.torch import Rearrange -import torch -from torch import nn - -from text_recognizer.networks.util import activation_function - - -class MLP(nn.Module): - """Multi layered perceptron network.""" - - def __init__( - self, - input_size: int = 784, - num_classes: int = 10, - hidden_size: Union[int, List] = 128, - num_layers: int = 3, - dropout_rate: float = 0.2, - activation_fn: str = "relu", - ) -> None: - """Initialization of the MLP network. - - Args: - input_size (int): The input shape of the network. Defaults to 784. - num_classes (int): Number of classes in the dataset. Defaults to 10. - hidden_size (Union[int, List]): The number of `neurons` in each hidden layer. Defaults to 128. - num_layers (int): The number of hidden layers. Defaults to 3. - dropout_rate (float): The dropout rate at each layer. Defaults to 0.2. - activation_fn (str): Name of the activation function in the hidden layers. Defaults to - relu. - - """ - super().__init__() - - activation_fn = activation_function(activation_fn) - - if isinstance(hidden_size, int): - hidden_size = [hidden_size] * num_layers - - self.layers = [ - Rearrange("b c h w -> b (c h w)"), - nn.Linear(in_features=input_size, out_features=hidden_size[0]), - activation_fn, - ] - - for i in range(num_layers - 1): - self.layers += [ - nn.Linear(in_features=hidden_size[i], out_features=hidden_size[i + 1]), - activation_fn, - ] - - if dropout_rate: - self.layers.append(nn.Dropout(p=dropout_rate)) - - self.layers.append( - nn.Linear(in_features=hidden_size[-1], out_features=num_classes) - ) - - self.layers = nn.Sequential(*self.layers) - - def forward(self, x: torch.Tensor) -> torch.Tensor: - """The feedforward pass.""" - # If batch dimenstion is missing, it needs to be added. - if len(x.shape) < 4: - x = x[(None,) * (4 - len(x.shape))] - return self.layers(x) - - @property - def __name__(self) -> str: - """Returns the name of the network.""" - return "mlp" -- cgit v1.2.3-70-g09d2