Controversial Chinese 'gait recognition' technology being used to identify people by their WALK

Chinese authorities have begun deploying a new surveillance tool: 'gait recognition' software that uses people's body shapes and how they walk to identify them, even when their faces are hidden from cameras. Already used by police on the streets of Beijing and Shanghai, 'gait recognition' is part of a push across China to develop artificial-intelligence and data-driven surveillance. However, it's raised concerns among critics about how far the technology will go. China is deploying a new surveillance tool: 'gait recognition' software that uses people's body shapes and how they walk to identify them, even when their faces are hidden. Chinese startup Watrix's software extracts a person's silhouette from video and analyzes the silhouette's movement to create a model of the way the person walks.