Using Machine Learning and TensorFlow to Recognize Traffic Signs

Sophie Turol


This time, TensorFlow meetup in Silicon Valley offered the attendees a practical session aimed at enabling a neural network to classify traffic signs. With machine learning, the solution can be applied to recognize signs right on the go while driving in a car.



Waleed Abdulla, a founder and CEO at Ninua, delivered a hands-on training on applying machine learning to recognize traffic signs in a video shot from a moving car. Under the tutorial, Waleed demonstrated how to build a neural network from scratch and enable it to classify traffic signs.

For that purpose, the speaker utilized the following technology stack:



In the course of the tutorial, Waleed also gave some tips on how to:

  1. Parse and load the training data. Though the images are saved in the uncommon .ppm format, it can be solved with the scikit library.
  2. Handling images of different size. To verify data range and catch bugs early, Waleed suggested printing the min() and max() values on resizing images.
  3. Evaluation. When visualizing the results, one has to remember to use a validation dataset and measure the accuracy of a model.

You can find Waleed’s session notes and training steps with relevant code on his GitHub. Watch the video for more details.


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About the speakers

Waleed Abdulla is a founder and CEO at Ninua. As a software engineer, he is interested in deep learning and web development. Currently, Waleed is running a tech startup in Mountain View, building SymphonyTools—a social media management dashboard for businesses.

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