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Synviz

Devpost submission

Synviz is an IoT device that uses state of the art artificial intelligence to decode text from the movement of a speaker's mouth.

Inspiration

There were two primary sources of inspiration. The first one was a paper published by University of Oxford researchers, who proposed a state of the art deep learning pipeline to extract spoken language from video. The paper can be found here. The repo for the model used as a base template can be found here.

The second source of inspiration is an existing product on the market, Focals by North. Focals are smart glasses that aim to put the important parts of your life right in front of you through a projected heads up display. We thought it would be a great idea to build onto a platform like this through adding a camera and using artificial intelligence to gain valuable insights about what you see, which in our case, is deciphering speech from visual input.

Pipeline Overview

  • The user presses the button on the glasses to start a recording
  • The user clicks the button again to stop recording
  • The data is passed to a Google Cloud Platform bucket as an mp4 file
  • Simultaneously, the glasses ping the Flask backend server to let it know there's something to be processed
  • The backend downloads the video file
  • The backend runs the video through a Haar Cascade classifier to detect a face
  • The video is cropped so that it tracks the mouth of the speaker
  • The cropped video is fed through a transformer network to get a transcript
  • The backend passes the transcript and file URL to the frontend through a socket
  • The frontend displays the transcript it got from the backend, and also allows playback of the mp4 file found on Google Cloud Platform

Use Cases

  • For individuals who are hard-of hearing or deaf
  • Noisy environments where automatic speech recognition is difficult
  • Combined with speech recognition for ultra-accurate, real-time transcripts
  • Language learners who want a transcript or translation

Social Impact

This hack can help in situations where communication is difficult. One of the most promising use cases is when this technology is combined with automatic speech recognition. All-in-one solutions for real-time transcription and translation are becoming more viable as our technology progresses. This proof-of-concept is another key piece that would improve human computer interaction.

Next Steps

With stronger on-board battery, 5G network connection, and a computationally stronger compute server, we believe it will be possible to achieve near real-time transcription from a video feed that can be implemented on an existing platform like North's Focals to deliver a promising business appeal.

The Team