Alphabet Recognition - Neural Network

Experiment to create an artificial neural network in Typescript to recognize capital letters.

Inspired by a video by Sebastian Lague: How to Create a Neural Network (and Train it to Identify Doodles)

Installation

1. Clone Repo
2. Install Dependencies (npm install)
3. Create new folder : data
4. Put dataset files with this scheme :
   • data/train/[letter]\_[index].png
   • data/test/[letter]\_[index].png
5. Run CreateDatase() to create dataset.json

Training Test

The first training session used Huggins Face's dataset : pittawat/letter_recognition

Params :

• Layers : [784, 100, 26]
• LearnRate : 0.24
• Activation Function : ReLU
• Perturbations : 4%

Results (816 iterations) :

• TrainDataset : 93%
• TestDataset 91%