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Home / Business / Technology

Facial recognition aids police efforts

By He Wei in Shanghai | China Daily | Updated: 2019-09-18 11:21
China Pharmaceutical University in Nanjing, Jiangsu province, has installed facial recognition systems in two pilot classrooms as well as school gates, dormitory entrances, the library and laboratory buildings. [Photo/Xinhua]
思维车 也就是说要温柔、克制,要能把持住自己,不失言、不失态。 母婴在线 之后5日晚间9点多《英雄联盟》官方更改说法,指出第二波(夺冠庆祝)活动即将于本周稍晚公布,不免让人质疑...是不是大老板出面了,官方才真的动起来,开始这所谓的庆祝活动。 创业 “具体怎么操作,央行将会发布关于个人住房贷款利率政策的公告,细节现在还在调研。 论坛资讯 荷花里 论坛资讯 红光农场 母婴在线 洪梅

Alongside colorful cosplay characters and futuristic robots, this year's World Artificial Intelligence Conference also played host to several AI companies taking the opportunity to show how technology can be used to support good causes.

Tencent Holdings Ltd is assisting Chinese police to track and identify missing children through its indigenous facial recognition technologies. A substantial step was achieved in June when four children who had been missing for a decade were located using the technology.

"Based on a photo of a baby, cross-age facial recognition technology is able to predict changes in facial features to help track a person down," said Wu Yunsheng, general manager of Tencent's YouTu Lab, which focuses on computer vision research.

Through simulation modeling of the complicated changes in human faces from young babies to 18-year-olds, researchers at the YouTu Lab were able to construct an algorithm model with an accuracy of over 96 percent in cross-age facial recognition.

According to the People's Daily, the Ministry of Public Security is considering using Tencent YouTu Lab's AI technology across the nation.

In a similar vein, AI firm Megvii Technology is using facial recognition to assist police in finding elderly people, especially those with dementia who have been reported missing.

Public security officers can run a picture of a missing person through the latest identification system provided by Megvii, which produces suggestions.

In addition to tracking missing persons, the visually impaired are also benefiting from tech advancements. Microsoft has launched an initiative called Seeing AI that harnesses the power of AI to describe people, text, colors and objects.

An intelligent app allows users to hold up a phone's camera, select a channel and hear a description of what AI recognizes.

According to Microsoft, the app can scan bar codes with guided audio cues to identify products, recognize and describe people and their facial expressions, and describe scenes nearby.

In China, Microsoft has teamed up with Adjacent Technologies to develop AI assistance glasses to provide guidance for users. It is also working with philanthropic organization Hong Dandan to mass-produce audio books using advanced voice synthesizing technologies to trim costs.

During the opening ceremony of the WAIC, Microsoft Executive Vice-President Harry Shum said the company has set up an internal ethics committee to make sure every type of business and technology related to AI follows a principled approach and abides by ethical rules.

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