Learning autonomous driving from aerial imagery

• URL: http://arxiv.org/abs/2410.14177v1
• Date: Fri, 18 Oct 2024 05:09:07 GMT
• Title: Learning autonomous driving from aerial imagery
• Authors: Varun Murali, Guy Rosman, Sertac Karaman, Daniela Rus,
• Abstract summary: Photogrammetric simulators allow the synthesis of novel views through the transformation of pre-generated assets into novel views. We use a Neural Radiance Field (NeRF) as an intermediate representation to synthesize novel views from the point of view of a ground vehicle.
• Score: 67.06858775696453
• License:
• Abstract: In this work, we consider the problem of learning end to end perception to control for ground vehicles solely from aerial imagery. Photogrammetric simulators allow the synthesis of novel views through the transformation of pre-generated assets into novel views.However, they have a large setup cost, require careful collection of data and often human effort to create usable simulators. We use a Neural Radiance Field (NeRF) as an intermediate representation to synthesize novel views from the point of view of a ground vehicle. These novel viewpoints can then be used for several downstream autonomous navigation applications. In this work, we demonstrate the utility of novel view synthesis though the application of training a policy for end to end learning from images and depth data. In a traditional real to sim to real framework, the collected data would be transformed into a visual simulator which could then be used to generate novel views. In contrast, using a NeRF allows a compact representation and the ability to optimize over the parameters of the visual simulator as more data is gathered in the environment. We demonstrate the efficacy of our method in a custom built mini-city environment through the deployment of imitation policies on robotic cars. We additionally consider the task of place localization and demonstrate that our method is able to relocalize the car in the real world.

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