When you turn on a device controlled by the badge all the lights blink at a certain frequency that generates enough optical noise to defeat facial recognition systems.
当你打开了所有的灯闪烁徽章控制在一定的频率，产生足够的光噪声战胜面部识别系统的设备。
2
A new optical system for real-time pattern recognition is presented, which mainly consists of a laser diode, an acoustooptic device with multi-transducer, a charge-coupled device and optical lenses.