Japan Electric Co., Ltd. (hereinafter referred to as NEC) will work with Yokohama National University's COI Satellite (hereinafter referred to as Yokohama National University, Note 1) to promote the development of urban-based 'regional management'.
As an important part of this, with the assistance of the 2018 Shin-Yokohama Fireworks Exhibition Organizing Committee, the experiment was conducted at the 2018 Shin-Yokohama Fireworks Festival (Note 2) held on July 26, using image analysis technology and wireless LAN. The technology realizes the congestion of the surrounding area to visualize and verify.
In recent years, regional management of urban construction and regional management with a focus on the private sector has attracted much attention in various regions, and shopping streets and local enterprises across the country are actively discussing.
The purpose of this joint study is to ensure the safety and peace of mind when congestion occurs in facilities and activities around the venue in large-scale gatherings in the area management, so that residents and visitors can move smoothly. Specifically, it uses image analysis technology and Wireless LAN technology, which visualizes congestion in surrounding areas in real time. At the same time, before the start of the analysis activity, the crowd dynamics at the end of the event are verified, and the effects of applying it to various purposes such as crowd guidance and marketing are verified. .
Summary of verification experiments at the 2018 Shin-Yokohama Fireworks Festival
1. Use crowd behavior analysis techniques to capture congestion (NEC)
NEC's state-of-the-art AI technology group 'NEC the WISE' (Note 3)'s 'group behavior analysis technology' (Note 4) can detect congestion and abnormal changes based on group images, thereby quantitatively grasping the camera shooting range set in some areas The number of stranded and the number of people passing in different directions.
2. Effective use of Wi-Fi sensors to determine the number of terminal devices connected to Wi-Fi (Yokohama National University)
Wi-Fi sensors are installed in a wide range, and the number of terminals such as smartphones and tablets connected to Wi-Fi (set to ON) is measured, and the number of people is mastered.
3. Combine the above 1, 2 to estimate congestion (NEC and Yokohama National University)
The Wi-Fi sensor and the camera are each set in parallel, and the number of people calculated according to the group behavior analysis technology and the number of terminals connected to Wi-Fi are obtained, and the measurement ratios of the two are obtained, and only Wi-Fi is estimated by using the measurement ratio. The number of people in the sensor's location. In this way, even if it is inconvenient to install the camera area, you can more accurately grasp the congestion.
In addition, the estimated congestion will be displayed in real time on the tablet terminal of the security department, and the plan will be displayed on the digital signage in the surrounding area.
The two parties will apply the empirical results of the 2018 Shin-Yokohama Fireworks Festival to all future fireworks exhibitions and various events to be held in 2019 and 2020, in order to develop security plans and exhibition plans, including this event. In the future, NEC will also discuss regional management projects on a global scale through various initiatives to achieve a safe, secure, efficient and fair society.
(Note 1)
Yokohama National University COI Satellite: The Ministry of Education, Culture, Sports, Science and Technology of Japan focuses on the social scene (vision) after 10 years, and is expected to use up to 9 years (2013~2021) as challenging and high-risk. Research and development to help. Yokohama National University will participate as a Satellite organization, conducting research and development related to transportation systems such as transportation systems, traffic guidance systems, transfer spaces, etc. http://coi-tms.ynu.ac.jp/ (Japanese webpage)
(Note 2)
2018 Shin-Yokohama Fireworks Festival official website:
Http://shinyokohama-hanabi.com/
(Note 3)
'NEC the WISE' (NEC the WISE) is the name of NEC's most advanced AI technology group. 'The WISE' contains both the meaning of 'sage' and the integration of human and AI to solve complex and advanced social problems through advanced intelligence. Ideas and ideas.
l NEC released the AI technology brand name 'NEC the WISE'
https://cn.nec.com/en_US/press/2016/0722.html
l NEC's AI technology
Https://jpn.nec.com/ai/ (Japanese webpage)
(Note 4)
Group behavior analysis technology: image analysis of people rather than individuals
Https://jpn.nec.com/rd/technologies/crowd/index.html (Japanese webpage)
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