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Continual Learning for Pose-Agnostic Object Recognition in 3D Point Clouds

2022-09-11 11:31:39
Xihao Wang, Xian Wei

Abstract

Continual Learning aims to learn multiple incoming new tasks continually, and to keep the performance of learned tasks at a consistent level. However, existing research on continual learning assumes the pose of the object is pre-defined and well-aligned. For practical application, this work focuses on pose-agnostic continual learning tasks, where the object's pose changes dynamically and unpredictably. The point cloud augmentation adopted from past approaches would sharply rise with the task increment in the continual learning process. To address this problem, we inject the equivariance as the additional prior knowledge into the networks. We proposed a novel continual learning model that effectively distillates previous tasks' geometric equivariance information. The experiments show that our method overcomes the challenge of pose-agnostic scenarios in several mainstream point cloud datasets. We further conduct ablation studies to evaluate the validation of each component of our approach.

Abstract (translated)

URL

https://arxiv.org/abs/2209.04840

PDF

https://arxiv.org/pdf/2209.04840.pdf


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