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Machine learning with PyTorch for the lab of Dr. Comert Kural

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kural_work

Machine learning work in PyTorch for the lab of Dr. Comert Kural (https://www.asc.ohio-state.edu/kural.1/).

Work in progress. Some tasks show performance, but none scaled into production yet.

  • Movie RNN
    • Simplifying images
      • Sand-shaking algorithm
        • Perhaps implementing a signal-boosting algorithm (more below) would be preferrable
      • Cell outliner (NN)
        • Made use of K-means here
      • Crop cell to fixed-size image
      • Apply autoencoder (NN) to reduce dimentionality
    • Continuous-time RNN
      • Currently not enough training data taken into account.
      • Model not stable.
        • Predictions diverge or converge too quickly to get useful information.
    • Predict just one frame (NN)
      • Currently not enough training data taken into account.
      • Model is able to over-train and achieve desireable results, but unseen data produces unacceptable results.
  • Signal-boosting with U-nets
    • Very easy to boost gross structure signal and flatten-out noise
    • Some fine detail is lost, but I believe building a better classifier (NN) and using perceptual loss can help this.

NN : A neural network was used to accomplish this task. All NN architectures can be found in kural_core/models.py

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