Convolutional Recurrent Networks

This module belongs to the " Computer Vision" category .

Description

The Convolutional Recurrent Network (CRNN or ConVNet) module is used to initiate a RNN estimator based on SmartPredict library.

This is a particularly popular function for treating visual data.

Parameters

As parameters, we can input shape ourselves right from the beginning. Then , we can adjust the optimization parameters and finally set the features selector.

Optimization parameters

The CRNN parameters are as follows:

  • Learning rate

  • Learning rate Reduction Factor

  • Beta 1 and 2

  • Gradient Clipping by Norm/Value

  • Epsilon

  • Momentum

  • Rho

Optimizers

As optimizers :

  • adam

  • rmsprop

  • adagrad

  • adamax

  • sgd (stochastic gradient descent)

Features extractor

The CRNN module parameters allow to implement different kinds of features extractor:

  • fcn

  • darknet

  • mobilenet_v2

  • resnet50_v2

  • resnet101_v2

  • resnet152_v2

  • nasnet

  • xception

The output decoder can be ctc or simple and imagenet is available as a features extractor weight.

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