Google's driverless cars fitted with police detection technology
As per the patent, the car computer detects emergency vehicles from their flash lights and from the sound it emanates – siren of course. Further, the car computer does comparative analysis of images to make sure what it has detected is an emergency vehicle.
The car computer will capture images of an approaching emergency vehicle. After that it will initiate its two step detection process. In the first step, it will analyze images to check whether an approaching vehicle is an emergency vehicle or something else. Also, it will figure out in this step the color of flash light and its pattern.
If it’s confirmed that an emergency vehicle is approaching, the computer will determine the type of approaching emergency vehicle.
The car here uses the pattern and color of a flash light. A dancing beacon of red color, for example, will be identified as ambulance while the one with orange and blue beacon will be confirmed as a police vehicle.
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