[16:22 thu,17.January 2019 by Thomas Richter] | ||||||||||||||||||||||
A photo with his Sony A7RII of a self-propelled car exhibited at the CES 2019 had unpleasant consequences for the engineer and fan of autonomous cars Jit Ray Chowdhury: while looking through his photos
The observed image error also corresponds exactly to a typical sensor damage caused by laser, which manifests itself in entire pixel rows or columns that can no longer be read out correctly. Theoretically, not only photo cameras, but also the cameras of other autonomous cars or permanently installed cameras for traffic surveillance or security would be affected. ;) Photo with sensor damage The CEO of LIDAR&s manufacturer, AEye, also admits that his laser caused the damage, but says that fears that his eyes might be damaged are unfounded, as camera sensors are up to 1,000 more sensitive to lasers than human eyes. He also offered Chowdhury to replace the damaged camera. Since distance measurement is an important part of information about the vehicle&s immediate environment, the question is how many LIDAR systems from different manufacturers are affected - some use different wavelengths and distance measurement techniques than the affected AEye laser, which is particularly powerful (and potentially dangerous). Since such damage has not yet been observed, the problem may only affect AEye&s LIDARS. Manufacturers of other systems have already declared their LIDARs safe for cameras at  Ars Technica. For photographers and filmmakers alike, a future guarantee that cameras will not be damaged by the expected wave of different autonomous car models would be desirable in any case. ;) Photo with sensor damage On this page you will find tips for photographers who are active at concerts where lasers are often used at shows. One advice is never to aim the camera directly at the laser. A further factor is the distance to the source of the laser, since these become weaker with the distance and thus the danger of a local sensor overheating ("burning in") including permanent damage of the Sensels decreases. ;) Sony A7RII Here is an example of a camera sensor damaged by a party laser:  more infos at bei twitter.comdeutsche Version dieser Seite: Laser eines selbstfahrenden Autos beschädigt Sony A7R II Sensor |
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