Inspiration
We were inspired by Tensorflow Playground (playground.tensorflow.org), which offers a visual, interactive way for beginners and experts alike to learn how the inner workings of how neural networks function.
What it does
With neural networks as one of the premier models for machine learning, it's no surprise that almost everyone is interested in learning about the model, and figuring out how to apply it to projects. However, for those without a background in computer science, it can be an intimidating and abstract concept to understand how neural networks actually work. For example, much of the data transformations done by a neural network involve complex topology and math that leading scientists still don't understand. Omega^3 overcomes this barrier by offering an intuitive learning experience, using modular blocks and a simple user interface to show all the aspects of how a neural network learns.
Omega^3 works by displaying all views of the neural network training process. The program starts off by asking the user for a dataset to train on, and afterwards, in real-time, incrementally displays the user all the hidden layer data, along with current predictions and test error. By providing all of these views, the user is able to take a closer look at all the inner machinery of neural networks. In addition, all the blocks are movable, and the program automatically adjusts the neural network structure according to where the blocks are placed. From the experience, users can not only learn how neural networks train to learn new data, but also see limitations of what neural networks can do. For example, if the user uses too many layers/nodes, they will probably find that their model overfits the data. If the user chooses not enough model complexity, the neural network may show signs of underfitting. Overall, the option for the user to play around and modify the model as they wish gives them a diverse range of opportunities to discover fascinating and rarely-seen aspects of neural networks.
How we built it
We used:
- Pybrain, a Python library for ML
- Arduinos
- I2C communication
- Raspberry Pi
- Matplotlib
- Solidworks
- Laser cutter
- Pogo pins
Challenges we ran into
- Pogo pin connectivity
- 2 LED matrices broke
- Laser cutter didn't cut acrylic cleanly
Accomplishments that we're proud of
It works!
What we learned
Don't use pogo pins.
Built With
- arduino
- deep-learning
- laser-cutting
- machine-learning
- python
- raspberry-pi
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