Abstract:In this paper, we propose a cross-modal distillation method named StereoDistill to narrow the gap between the stereo and LiDAR-based approaches via distilling the stereo detectors from the superior LiDAR model at the response level, which is usually overlooked in 3D object detection distillation. The key designs of StereoDistill are: the X-component Guided Distillation (XGD) for regression and the Crossanchor Logit Distillation (CLD) for classification. In XGD, instead of empirically adopting a threshold to se… Show more
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