Self-supervised Learning Based on Multi-modal Arbitrary Rotation for RGB-D Semantic Segmentation
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    Abstract:

    Self-supervised learning on RGB-D datasets has attracted extensive attention. However, most methods focus on global-level representation learning, which tends to lose local details that are crucial for recognizing the objects. The geometric consistency between image and depth in RGB-D data can be used as a clue to guide self-supervised feature learning for the RGB-D data. In this study, ArbRot is proposed, which can not only rotate the angle without restriction and generate multiple pseudo-labels for pretext tasks, but also establish the relationship between global and local context. The ArbRot can be jointly trained with contrastive learning methods for establishing a multi-modal, multiple pretext task self-supervised learning framework, so as to enforce feature consistency within image and depth views, thereby providing an effective initialization for RGB-D semantic segmentation. The experimental results on the datasets of SUN RGB-D and NYU Depth Dataset V2 show that the quality of feature representation obtained by multi-modal, arbitrary-orientation rotation self-supervised learning is better than the baseline models.

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李鸿宇,张宜飞,杨东宝.面向RGB-D语义分割的多模态任意旋转自监督学习.计算机系统应用,2024,33(1):219-230

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History
  • Received:June 29,2023
  • Revised:July 27,2023
  • Adopted:
  • Online: November 24,2023
  • Published: January 05,2023
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