Panasonic’s Face Recognition Server

Access & Identity Management Handbook 2019 Access Control & Identity Management, Surveillance, Products & Solutions

Panasonic has adopted deep learning technology in its face recognition products. This has led to the successful development and commercialisation of the face recognition technology that overcomes the difficulties of conventional technologies, such as recognising faces when they are tilted, changed by ageing, or partially hidden with sunglasses. Panasonic will offer this product as a personal recognition solution for video security in various situations, such as the monitoring of public facilities and entry management.

The new software features a core engine that boasts the world’s highest face recognition performance. The product achieved the highest level of face recognition performance in the world in a comparison test (IJB-A Face Verification Challenge Performance Report/IJB -A Face Identification Challenge Performance Report) of NIST (the National Institute of Standards and Technology) of the United States.

This high-precision face recognition software can identify faces that are difficult to recognise with conventional technologies, including faces at an angle of up to 45 degrees to the left or right or 30 degrees up or down, and those partially hidden by sunglasses.

In addition, the new software features the ‘iA (intelligent Auto) mode’ that automatically adjusts settings for the camera to shoot optimal images best suited for face recognition. When it is used with Panasonic’s i-PRO EXTREME series network cameras installed with the ‘Best Shot License Key’ that comes bundled with the software, only the ‘Best Shots’ will be sent to the server for face recognition. The combination of Panasonic core devices and the face recognition software maximises the performance of the software’s core engine to achieve high-precision recognition. The company plans to add a function to recognise faces partially covered with a surgical mask, which is difficult with conventional systems.

Cameras equipped with the iA function enables image analysis to be performed on the camera and then send only the best images to the server. This will result in reducing server and network loads, which leads to overall system cost reductions. In the case of 10 or more network cameras connected to the system, the costs can be reduced by about 40% to 50% compared to conventional systems that do not use the Best Shot function.

Software features

High precision: The deep learning technology used in the new software was jointly developed with the National University of Singapore and improves face recognition performance by up to 500% compared to conventional systems. (The rejection rate reduced to 20% when the wrong person acceptance rate is set to 0.01 with the IJB-A face image dataset.)

A unique algorithm that combines deep learning with a similarity calculation method that suppresses errors enables recognition in situations that were difficult with conventional face recognition technology.

iA function and Best Shot: The iA function enables cameras to automatically detect the scene and automatically optimise the settings accordingly to improve the detectability of the video images. The camera automatically detects the moving objects, movement speed, faces, and light intensity (day/night/headlights) found in video that are usually hard to see due to subject movement and backlight, and optimises the settings in real-time and capture more optimal video of the subject.

Performing facial recognition on the server using the Best Shot images reduces server load and hard drive capacity requirements as well as permitting up to 20 network cameras to be connected to a single server. (The number of cameras that can be connected depends on the number of people passing by the camera and the retention period for face images.)

System expandability: Simple batch registration of a maximum of 10 000 faces is possible with the standard Face Recognition Server Software. The optional Face Registration Expansion Kit enables registration of up to 30 000 faces at large-scale facilities.

For more information, contact Franz Kersten, Panasonic South Africa, +27 11 312 7015, f.kersten@za.panasonic.com, www.panasonic.com





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