arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2102.03602cs.CV
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Gated3D:基于时间光照的单目三维目标检测

Gated3D: Monocular 3D Object Detection From Temporal Illumination Cues

Algolux(Algolux公司);Daimler AG(戴姆勒股份公司);Ulm University(乌尔姆大学);Princeton University(普林斯顿大学)

Frank Julca-Aguilar, Jason Taylor, Mario Bijelic, Fahim Mannan, Ethan Tseng, Felix Heide

摘要:

当今最先进的3D目标检测方法基于激光雷达、立体或单目相机。基于激光雷达的方法实现了最佳的精度,但是具有大的覆盖区、高成本和机械限制的角度采样率,导致在长距离处的低空间分辨率。最近基于低成本单目或立体相机的方法有望克服这些局限性,但由于它们依赖无源CMOS传感器,因此在低光或低对比度区域会遇到困难。在这项工作中,我们提出了一种新的三维目标检测模式,利用时间照明线索从低成本的单目门控成像器。我们提出了一种新的深度检测器架构,Gated3D,这是专为三个门控图像的时间照明线索。门控图像使我们能够利用成熟的2D对象特征提取器,通过截头体段估计来指导3D预测。我们在一个新的3D检测数据集上评估了所提出的方法,该数据集包括在超过10,000公里的驾驶数据中捕获的门控图像。我们验证,我们的方法优于国家的最先进的单眼和立体的方法在长距离。我们将发布我们的代码和数据集,开辟一种新的传感器模式,作为在自动驾驶中取代激光雷达的途径。

英文摘要:

Today's state-of-the-art methods for 3D object detection are based on lidar, stereo, or monocular cameras. Lidar-based methods achieve the best accuracy, but have a large footprint, high cost, and mechanically-limited angular sampling rates, resulting in low spatial resolution at long ranges. Recent approaches based on low-cost monocular or stereo cameras promise to overcome these limitations but struggle in low-light or low-contrast regions as they rely on passive CMOS sensors. In this work, we propose a novel 3D object detection modality that exploits temporal illumination cues from a low-cost monocular gated imager. We propose a novel deep detector architecture, Gated3D, that is tailored to temporal illumination cues from three gated images. Gated images allow us to exploit mature 2D object feature extractors that guide the 3D predictions through a frustum segment estimation. We assess the proposed method on a novel 3D detection dataset that includes gated imagery captured in over 10,000 km of driving data. We validate that our method outperforms state-of-the-art monocular and stereo approaches at long distances. We will release our code and dataset, opening up a new sensor modality as an avenue to replace lidar in autonomous driving.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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