用激光雷达辅助摄像头,在暗光下精准探测物体并省电。
ICanC: Improving Camera-based Object Detection and Energy Consumption in Low-Illumination Environments

- 融合激光雷达与摄像头,动态控制车灯只在有危险时开启。
- 暗光环境下检测准确率高,头灯能耗显著降低。
- 适合自动驾驶车辆在夜间或低光环境使用。
本文提出ICanC(发音为"I Can See"),一种新型系统,旨在提升自动驾驶车辆在低光照环境下的目标检测性能并优化能效。该系统利用激光雷达与摄像头的互补优势,在摄像头性能下降的场景中增强检测准确性,同时显著减少不必要的车灯使用。ICanC包含三个核心模块:障碍物检测器,处理激光雷达点云数据以拟合目标边界框,并估计其位置、速度和朝向;危险检测器,基于障碍物检测器的信息评估潜在威胁;灯光控制器,仅在检测到威胁时动态开启车灯以增强摄像头可视性。物理与仿真环境中的实验表明,即使存在显著噪声干扰,ICanC仍表现出稳健性能。系统在开启车灯时保持高精度的相机目标检测,同时大幅降低整体车灯能耗。这些结果使ICanC成为自动驾驶研究中兼顾能效与可靠检测的有力进展。
原文摘要 · Abstract (English)
This paper introduces ICanC (pronounced "I Can See"), a novel system designed to enhance object detection and optimize energy efficiency in autonomous vehicles (AVs) operating in low-illumination environments. By leveraging the complementary capabilities of LiDAR and camera sensors, ICanC improves detection accuracy under conditions where camera performance typically declines, while significantly reducing unnecessary headlight usage. This approach aligns with the broader objective of promoting sustainable transportation. ICanC comprises three primary nodes: the Obstacle Detector, which processes LiDAR point cloud data to fit bounding boxes onto detected objects and estimate their position, velocity, and orientation; the Danger Detector, which evaluates potential threats using the information provided by the Obstacle Detector; and the Light Controller, which dynamically activates headlights to enhance camera visibility solely when a threat is detected. Experiments conducted in physical and simulated environments demonstrate ICanC's robust performance, even in the presence of significant noise interference. The system consistently achieves high accuracy in camera-based object detection when headlights are engaged, while significantly reducing overall headlight energy consumption. These results position ICanC as a promising advancement in autonomous vehicle research, achieving a balance between energy efficiency and reliable object detection.
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