"One issue with Tesla's vision-based approach is that sunlight glare can become a troublesome element of everyday travel. Full Self-Driving is certainly an amazing technology, but there are still things Tesla is aiming to figure out with its development. Unfortunately, it is extremely difficult to get around this issue, and even humans need ways to combat it when they're driving, as we commonly use sunglasses or sun visors to give us better visibility."
"Tesla described the patent, which will utilize "a textured surface composed of an array of micro-cones, or cone-shaped formations, which serve to scatter incident light in various directions, thereby reducing glare and improving camera vision." The patent says they are "optimized in size, angle, and orientation to minimize Total Hemispherical Reflectance (THR) and reflection penalty, enhancing the camera's ability to accurately interpret visual data."
Tesla relies heavily on camera systems for autonomous and semi-autonomous vehicle navigation and environment interaction. Sunlight glare interferes with camera vision and degrades system performance. A proposed glare shield uses a textured surface composed of an array of micro-cones to scatter incident light and reduce glare. The micro-cones are optimized in size, angle, and orientation to minimize Total Hemispherical Reflectance (THR) and reflection penalty. An electromechanical system provides dynamic orientation adjustment so the micro-cones can move based on external light-source angles, improving camera interpretation of visual data under challenging lighting.
Read at TESLARATI
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