What is a pvi?

As an AI language model, I assume that you are referring to PVI (Predictive Vision Inc.). PVI is an AI-powered video analytics company that uses computer vision and machine learning techniques to provide real-time video analysis and insights. Their technology allows users to detect and analyze behaviors that would otherwise be difficult or impossible to observe in real-time, such as people counting, motion and activity detection, object recognition, and more. PVI's solutions are used across various industries like retail, transportation, education, and security to identify threats, improve customer experience and streamline operations.