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Approaching Camera-based Real-World Navigation Using Object Recognition

机译:使用对象识别接近基于相机的真实导航

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Traditional autonomous navigation systems for transportation use laser range scanners to construct 3D driving scenes in terms of open and occupied voxels. Active laser range scanners suffer from a series of failures, such as inability to detect wet road surfaces, dark surfaces and objects at large distances. In contrast, passive video cameras are immune from these failures but processing is challenging. High dimensionality of the input image requires efficient Big Data analytic methods for the system to perform in real-time. In this paper we argue that object recognition is essential for a navigation system to generalize learned landmarks to new driving scenes, which is a requirement for practical driving. To overcome this difficulty we present an online learning neural network for indoor navigation using only stereo cameras. The network can learn a Finite Automaton (FA) for the driving problem. Transition of the FA depends on several information sources: sensory input (stereo camera images) and motor input (i.e. object, action, GPS, and attention). Our agent simulates the transition of the FA by developing internal representation using the Developmental Network (DN) without handcrafting states or transition rules. Although the proposed network is meant for both indoor and outdoor navigation, it has been only tested in indoor environments in current work. Our experiments demonstrate the agent learned to recognize landmarks and the corresponding actions (e.g. follow the GPS input, correct current direction, and avoid obstacles). Our future work includes training and learning in outdoor driving scenarios.
机译:用于运输的传统自主导航系统使用激光范围扫描仪在开放和占用的体素方面构建3D驾驶场景。主动激光范围扫描仪遭受一系列故障,例如无法在大距离下检测湿路表面,暗表面和物体。相比之下,被动摄像机免受这些故障的免疫,但加工是挑战性的。输入图像的高维度需要有效的大数据分析方法为系统实时执行。在本文中,我们认为物体识别是用于导航系统概括学会地标新的驾驶场景,这对于实际驾驶的要求是必不可少的。为了克服这个困难,我们在网上导航中展示了一个在线学习神经网络,只使用立体声相机。网络可以为驾驶问题学习有限的自动机(FA)。 FA的转换取决于若干信息来源:感觉输入(立体声相机图像)和电机输入(即对象,动作,GPS和注意)。我们的代理通过在没有手动状态或转换规则的情况下使用发展网络(DN)开发内部表示来模拟FA的转换。虽然所提出的网络适用于室内和室外导航,但它仅在当前工作中的室内环境中进行了测试。我们的实验展示了代理学会识别地标和相应的行动(例如,遵循GPS输入,正确的电流方向,避免障碍)。我们未来的工作包括户外驾驶场景的培训和学习。

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