The invention provides an unknown key scene identification method and system based on an intersection scene space, and relates to the technical field of intelligent traffic, the method comprises the following steps: constructing a road network model based on topological structures of different types of intersection scenes, the road network model comprising the intersection scene space; scene sampling is carried out in the intersection scene space to obtain a plurality of known key scenes, and the known key scenes comprise at least one known risk factor; a plurality of key scene subspaces are constructed, a first center is determined, and each key scene subspace comprises at least one known key scene; and calculating an orthogonal basis of the key scene subspace, taking the first center as a center, extracting an unknown key scene space in the key scene subspace along the direction of the orthogonal basis, and sampling in the unknown key scene space to obtain an unknown key test scene set. The unknown key scene identified by the scheme is used in the test of the automatic driving technology, and the test comprehensiveness can be improved.
本发明提供一种基于交叉口场景空间的未知关键场景识别方法及系统,涉及智能交通技术领域,该方法包括如下步骤:基于不同类型的交叉口场景的拓扑结构,构建路网模型,路网模型包括交叉口场景空间;在交叉口场景空间内进行场景采样,以获得若干个已知关键场景,已知关键场景包括至少一种已知风险因素;构建若干个关键场景子空间,确定第一中心,每个关键场景子空间包括至少一个已知关键场景;计算关键场景子空间的正交基,以第一中心为中心,沿正交基的方向在关键场景子空间内提取未知关键场景空间,在未知关键场景空间中进行采样,以获得未知关键测试场景集合。该方案识别到的未知关键场景用于自动驾驶技术的测试中,可提升测试全面性。
Unknown key scene identification method and system based on intersection scene space
一种基于交叉口场景空间的未知关键场景识别方法及系统
17.01.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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