polarstream
时间: 2023-08-28 22:20:37 浏览: 40
PolarStream是一种流式激光雷达(Lidar)目标检测和分割模型,由Qi Chen、Sourabh Vora和Oscar Beijbom等人提出。该模型将Lidar作为固有的流式数据源,并通过在楔形点云扇区上运行而不是完整点云来减少计算量和内存占用。与以笛卡尔坐标系表示扇区的方法不同,PolarStream采用极坐标系表示扇区,并引入了多尺度填充和特征不变性等关键改进。在NUSCENES数据集上的实验结果显示,PolarStream相较于基于流的其他方法有显着的改进,并且与现有的非流定制方法相当。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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