ADAS 视觉系统解决方案——Ameya360电子元器件平台

Release time：2019-08-01
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source：Ameya360
reading：1684

1、 前言

ADAS（Advanced Driving
Assistant System）即高级驾驶辅助系统。ADAS 是利用安装于车上的各式各样的传感器，在第一时间收集车内外的环境数据，进行静、动态物体的辨识、侦测与追踪等技术上的处理， 从而能够让驾驶者在最快的时间察觉可能发生的危险，以引起注意和提高安全性的主动安全技术。ADAS 采用的传感器主要有摄像头、雷达、激光和超声波等，可以探测光、热、压力或其它用于监测汽车状态的变量，通常位于车辆的前后保险杠、侧视镜、驾驶杆内部或者挡风玻璃上。早期的 ADAS 技术主要以被动式报警为主，当车辆检测到潜在危险时，会发出警报提醒驾车者注意异常的车辆或道路情况。对于最新的 ADAS 技术来说，主动式干预也很常见。

ADAS 视觉系统解决方案——Ameya360电子元器件平台

2、 方案概述

Ameya360 ADAS 视觉系统解决方案由软硬件组成，主要包括摄像头模组、核心算法芯片以及软件算法。硬件方面考虑行车环境（震动、高低温等），大前提是要符合车规级要求。车载 ADAS 摄像头模组需要定制化开发。为了适应车辆全天候全天时的需要，一般要满足在明暗反差过大的场合（进出隧道），很好平衡图像中过亮或太暗部分（宽动态）；对光线比较灵敏（高感光），避免给芯片带来太大压力（并不是一昧追逐高像素）。编程和优化都是直接在硬件层面进行的，能耗会低很多。


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