Vintra Reveals Success in Addressing Bias in AI Compared to Amazon and Microsoft
Vintra, an industry-leading maker of video analytics powered by machine learning and artificial intelligence (AI), is working to end racial and ethnic bias in AI-based facial recognition. Today, Vintra is releasing results from a year-long effort to ensure Vintra’s AI platform can equitably recognize and correctly identify faces across different races. Vintra’s work to reduce bias has resulted in cutting the bias gap by more than two-thirds and surpassing the accuracy rates across most racial and ethnic identities of the leading commercially available face recognition algorithms from Microsoft and Amazon, and those of the leading open-source face recognition algorithms like ArcFace.
The analysis above was computed on the well accepted “Racial Faces in the Wild” (RFW) dataset and demonstrates how Vintra has the lowest bias results. The authors of this Cornell University paper computed results on various ethnicities from Amazon and Microsoft’s face recognition API. The average of those results is provided above as reference.
Vintra CEO, Brent Boekestein, said, “We built our data models from the ground up and didn’t violate privacy policies by building out our training data. We focused on quality data from day one and adhering to our core principles of integrity and trust. Simply put, it matters how we got here, and it shows in the results.”
The public is largely concerned with the face recognition working properly when it is deployed, and Vintra strongly supports that concern. AI developed from machine learning is often based on huge, publicly available data sets that many AI solutions providers use to build their product. Unfortunately, most Western-based facial recognition algorithms misidentify faces that aren’t Caucasian or lighter-skinned for two key reasons: 1. Core data sets are populated by a super majority of white faces; 2. Algorithms have been built and tested on these data sets for years. While algorithmic tweaks have tried to address this in the past, a poor representation of any given ethnicity in a data set cannot be overcome by algorithmic changes alone.
Vintra has built and curated their own data set, pulling from over 76 countries and tens of thousands of identities with dozens of reference images for each identity in order to better represent Caucasian, African, Asian and Indian ethnicities. This work has resulted in a much fairer balance with each group representing roughly 25% of the total data population and giving AI-powered video analytics a truer picture of what our world really looks like. Ensuring the accuracy of Vintra’s facial recognition results remained in the top 10% of solutions globally when tested on leading datasets like RFW, the team set out to reduce the bias gap – the percentage delta between correctly identifying white faces and all other non-white identities.
Today, publicly available academic algorithms have an 8% difference in bias between black and white faces, while commercially available algorithms have a 9% difference. Some companies, notably Microsoft and Amazon have a 12 percentage point difference when looking at white and black faces.
With initial testing of the new dataset and algorithm, Vintra has closed the racial bias gap to 4.7 when comparing Caucasian and African-descent faces. Vintra’s average accuracy across all non-Caucasian categories beats popular APIs from Amazon, Microsoft, and the leading open-sourced algorithms on the market.
Vintra is committed to ensuring that facial recognition technology can be developed to equitably recognize all types of faces. The more fair and accurate the results of these solutions are, the more they will be accepted by society as a force for good.
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