Guiyang builds "Portrait Big Data" to fight fugitives

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In recent years, Guiyang Municipal Public Security Bureau building "portrait big data" system, successfully arrested several fugitives.
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At 9:50 am on February 27, 2018, the "Portrait Big Data" system in a key area of ​​Guiyang issued an early warning: Xu, a national fugitive, has entered the field. After 1 minute, Xu was arrested.
"After catching Xu, we compared the photos of the wanted photos online and the fugitives. To be honest, if we just can't combine the two with the naked eye." Yang Chao, a policeman who handled the case, said that Xu was an escape. The fugitives of the year are different from the ones in the same year, and it is difficult for the naked eye to recognize. However, the "Portrait Big Data" system can judge from the contour of the face, even if there are more wrinkles on the face and more beards, it will not affect the judgment.
"National fugitives have been absconding for many years, some have already been 'washed white', and anti-investigation awareness is strong." Li Bin, deputy director of the Information Industry Science and Technology Department of Guiyang Public Security Bureau said.
“The system can not only quickly detect and locate the moving face, but also judge the data from the walking posture.” Lu Hao, the person in charge of the technical support for the “Portrait Big Data” system, said, “At present, The prediction of cross-age appearance based on face recognition technology has matured, which will be of great help in finding people who have lost time and arresting long-term absconds."
“Now, more than 80% of the cases cracked in Guiyang have used the 'Portrait Big Data' system.” Xu Yan, director of the 110 Alarm Service Desk of the Guiyang Public Security Bureau Command Center, said.
According to statistics, from September 2017 to March 2018, Guiyang used the “Portrait Big Data” system to arrest 872 criminal suspects, including 66 national escaped persons in the Ministry of Public Security.
"The system not only has obvious effects in catching fugitives, but also plays a big role in finding missing children and the elderly." Xu Yan said that the "Portrait Big Data" system can improve the effectiveness of case prevention, population management, and convenience services. Let "sweat police" become "smart police."

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