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Implementation of a simple artificial neural network in the form of a perceptron, which can be trained on an open dataset and perform recognition of 26 handwritten letters of the Latin alphabet.

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Multilayer Perceptron v1.0

The "Multilayer Perceptron" is a modern app written in C++. The application represents a simple artificial neural network in the form of a perceptron, which can be trained on an open dataset and perform recognition of 26 handwritten letters of the Latin alphabet.

Program launch options

make run

Features

  • GUI implementation, based on QT6

    MLP GUI Screenshot

  • Load train and test datasets from a csv file.

  • Choose the network topology with 2-5 hidden layers.

  • Training with using the backpropagation method and sigmoid activation.

  • Matrix form: all layers are represented as weight matrices.

  • Graph form: each neuron is represented as some node object connected to other nodes by refs.

  • Perform experiments on a selected portion of the test sample, defined by a floating-point number ranging from 0 to 1.

  • Load BMP images (image size can be up to 512x512) with Latin letters and classify them.

  • Draw two-color square images by hand and classify them.

  • Real-time training process for a user-defined number of epochs with displaying the error values for each training epoch.

  • Run the training process using cross-validation for a given number of groups k.

  • Save to a file and load weights of perceptron from a file.

    MLP Recognition Screecast

License

Copyright (c). All rights reserved.

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Implementation of a simple artificial neural network in the form of a perceptron, which can be trained on an open dataset and perform recognition of 26 handwritten letters of the Latin alphabet.

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