neural_network.convolution_neural_network
=========================================

.. py:module:: neural_network.convolution_neural_network

.. autoapi-nested-parse::

    - - - - - -- - - - - - - - - - - - - - - - - - - - - - -
   Name - - CNN - Convolution Neural Network For Photo Recognizing
   Goal - - Recognize Handwriting Word Photo
   Detail: Total 5 layers neural network
           * Convolution layer
           * Pooling layer
           * Input layer layer of BP
           * Hidden layer of BP
           * Output layer of BP
   Author: Stephen Lee
   Github: 245885195@qq.com
   Date: 2017.9.20
   - - - - - -- - - - - - - - - - - - - - - - - - - - - - -



Classes
-------

.. autoapisummary::

   neural_network.convolution_neural_network.CNN


Module Contents
---------------

.. py:class:: CNN(conv1_get, size_p1, bp_num1, bp_num2, bp_num3, rate_w=0.2, rate_t=0.2)

   .. py:method:: _calculate_gradient_from_pool(out_map, pd_pool, num_map, size_map, size_pooling)

      calculate the gradient from the data slice of pool layer
      pd_pool: list of matrix
      out_map: the shape of data slice(size_map*size_map)
      return: pd_all: list of matrix, [num, size_map, size_map]



   .. py:method:: _expand(data)


   .. py:method:: _expand_mat(data_mat)


   .. py:method:: convolute(data, convs, w_convs, thre_convs, conv_step)


   .. py:method:: convolution(data)


   .. py:method:: do_round(x)


   .. py:method:: pooling(featuremaps, size_pooling, pooling_type='average_pool')


   .. py:method:: predict(datas_test)


   .. py:method:: read_model(model_path)
      :classmethod:



   .. py:method:: save_model(save_path)


   .. py:method:: sig(x)


   .. py:method:: train(patterns, datas_train, datas_teach, n_repeat, error_accuracy, draw_e=bool)


   .. py:attribute:: conv1


   .. py:attribute:: num_bp1


   .. py:attribute:: num_bp2


   .. py:attribute:: num_bp3


   .. py:attribute:: rate_thre
      :value: 0.2



   .. py:attribute:: rate_weight
      :value: 0.2



   .. py:attribute:: size_pooling1


   .. py:attribute:: step_conv1


   .. py:attribute:: thre_bp2


   .. py:attribute:: thre_bp3


   .. py:attribute:: thre_conv1


   .. py:attribute:: vji


   .. py:attribute:: w_conv1


   .. py:attribute:: wkj