• Facial Identity Tracking

    Automatic facial image recognition technology has reached a point where it has been successfully used in a number of real-world applications. Along with that success however, has comes some controversy such as evidence of racial bias and concerns about privacy. This post takes a brief look at both the technology...


  • Counting People in Motion

    Counting is one of the basic tasks of computer vision with countless applications across many domains. One of our favorite things to count is people. We count people for attendance at events, to determine capacity usage of rooms or public transportation, to analyze shopping habits, etc. In this post, I...


  • Twitter Text Analytics in Node.js, Part 3

    This part 3 of the twitter analytics tutorial will introduce you to some basic text extraction techniques to discover what people are tweeting about. We’ll develop two utilities that can help you track terms that are trending and investigate the cause behind spikes in tweet traffic about your or your...


  • Twitter Text Analytics in Node.js, Part 2

    In this tutorial, we take our first look at sentiment analysis on twitter data to track public opinion about your brand, product or service. This is part 2 in a series of tutorials about gauging public interest and opinion about some topic. Part 1 describes how to get connected to...


  • Twitter Text Analytics in Node.js, Part 1

    Twitter is a great resource to gauge public sentiment and opinion about your company’s brand, product or service. In this multi-part tutorial series, we are going to look at how you can extract and monitor sentiment and commentary about your brand/product/service. In particular, the first three parts of this series...

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