自动驾驶中的占用感知调查:信息融合视角
3D occupancy perception technology aims to observe and understand dense 3D environments for autonomous vehicles. Owing
to its comprehensive perception capability, this technology is emerging as a trend in autonomous driving perception systems, and
is attracting significant attention from both industry and academia. Similar to traditional bird’s-eye view (BEV) perception, 3D
occupancy perception has the nature of multi-source input and the necessity for information fusion. However, the difference is
that it captures vertical structures that are ignored by 2D BEV. In this survey, we review the most recent works on 3D occupancy
perception, and provide in-depth analyses of methodologies with various input modalities. Specifically, we summarize general
network pipelines, highlight information fusion techniques, and discuss effective network training. We evaluate and analyze the
occupancy perception performance of the state-of-the-art on the most popular datasets. Furthermore, challenges and future research
directions are discussed. We hope this paper will inspire the community and encourage more research work on 3D occupancy
perception. A comprehensive list of studies in this survey is publicly available in an active repository that continuously collects the
latest work: https://github.com/HuaiyuanXu/3D-Occupancy-Perception.
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