We unveil how generalizable AI can be used to improve multi-view 3D pedestrian detection in unlabeled target scenes. One way to increase generalization to new scenes is to automatically label target data, which can then be used for training a detector model. In this context, we investigate two approaches for automatically labeling target data: pseudo-labeling using a supervised detector and automatic labeling using an untrained detector (that can be applied out of the box without any training). We adopt a training framework for optimizing detector models using automatic labeling procedures. This framework encompasses different training sets/modes and multi-round automatic labeling strategies. We conduct our analyses on the publicly-available WILDTRACK and MultiviewX datasets. We show that, by using the automatic labeling approach based on an untrained detector, we can obtain superior results than directly using the untrained detector or a detector trained with an existing labeled source dataset. It achieved a MODA about 4% and 1% better than the best existing unlabeled method when using WILDTRACK and MultiviewX as target datasets, respectively.

利用通用化人工智能改进无标签目标场景的多视角3D行人检测，通过使用未经训练的检测器的自动标注方法，可以获得比直接使用未经训练检测器或使用现有标记的源数据集训练的检测器更好的结果。在使用WILDTRACK和MultiviewX作为目标数据集时，MODA比现有的无标签方法分别提高了4%和1%。

面向可泛化人工智能的无标注多视角三维行人检测：技术和性能分析