I recently won first place in the Nexar Traffic Light Recognition Challenge, computer vision competition organized by a company that’s building an AI dash cam app. In this post, I’ll describe the solution I used. I’ll also explore approaches that did and did not work in my effort to improve my model. Don’t worry — you don’t need to be an AI expert to understand this post. I’ll focus on the ideas and methods I used as opposed to the technical implementation. The challenge The goal of the challenge was to recognize the traffic light state in images taken by
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