“Santa Clara, California-based AiFi offers a frictionless and cashierless retail AI-powered solution deployed in diverse locations such as sports stadiums, music festivals, grocery store chains and college campuses. Steve Gu cofounded AiFi in 2016 with his wife, Ying Zheng, and raised a fresh $65 million in March. Both Gu and Zheng have Ph.D.s in computer vision and spent time at Apple and Google.”
https://venturebeat.com/ai/7-ai-startups-aim-to-give-retailers-a-happy-holiday-season/amp/