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RockPaperScissorsCNN

My attempt at the Rock-Paper-Scissors classification problem.

Video Demo

Installation

git clone https://github.com/alexdjulin/RockPaperScissorsCNN.git
cd RockPaperScissorsCNN
python -m venv .venv
.venv/Scripts/activate.bat
pip install -r requirements.txt

You will need to install Jupyter Notebook or use an extension to review and execute code from the notebooks listed below.

Dataset

I used the following 3 datasets to train the CNN from scratch:

DRGFREEMAN - Edited to remove the green screen, see remove_greenscreen notebook
SANI KAMAL - Also available in tensorflow_datasets, see download_dataset notebook
ALEXDJULIN - I created this one myself.

Download them inside a dataset folder and use the build_dataset notebook to organise all pictures in test/train/validation subfolders.

rps_title.png

Model

The latest version of my model is available here:
rps_v01_56ep_0.9641acc_0.1089loss.h5

Download it inside a models folder and specify the model path inside the notebooks you want to use. If you leave the path to None, it will use the latest available version.

Notebooks description

I used the following notebooks to train and test my CNN.

  • build_dataset.ipynb - Creates Train, Test and Validation folders for you and copies all the pictures of your different source datasets inside, following a given split ratio (70% / 20% / 10% by default). Images will be renamed to avoid duplicates.
  • train_cnn.ipynb - Covers all the steps needed to load and prepare your dataset, create the CNN, train it, analyse the results and test the model.
  • rps_main.ipynb - This is my main application to display webcam frames, create a region of interest and use the model to predict hand gestures inside it. A Capture mode lets you capture new images if you want to create your own dataset like I did.
  • remove_greenscreen.ipynb - A notebook I wrote to remove the green background from drgfreeman's dataset images and reshape them to fit the other two.
  • remove_background.ipynb - A notebook I wrote to experiment removing the background from a ROI using a thresholding method. I implemented it in my main application and improved prediction results on noisy backgrounds.
  • download_dataset.ipynb - A notebook I used to download the rock-paper-scissors dataset from Tensorflow (SANI KAMAL, same as link above)