Test-time Adaptation in the Dynamic World with Compound Domain Knowledge
Management
- URL: http://arxiv.org/abs/2212.08356v3
- Date: Sat, 15 Apr 2023 04:03:04 GMT
- Title: Test-time Adaptation in the Dynamic World with Compound Domain Knowledge
Management
- Authors: Junha Song, Kwanyong Park, InKyu Shin, Sanghyun Woo, Chaoning Zhang,
and In So Kweon
- Abstract summary: Test-time adaptation (TTA) allows the model to adapt itself to novel environments and improve its performance during test time.
Several works for TTA have shown promising adaptation performances in continuously changing environments.
This paper first presents a robust TTA framework with compound domain knowledge management.
We then devise novel regularization which modulates the adaptation rates using domain-similarity between the source and the current target domain.
- Score: 75.86903206636741
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: Prior to the deployment of robotic systems, pre-training the deep-recognition
models on all potential visual cases is infeasible in practice. Hence,
test-time adaptation (TTA) allows the model to adapt itself to novel
environments and improve its performance during test time (i.e., lifelong
adaptation). Several works for TTA have shown promising adaptation performances
in continuously changing environments. However, our investigation reveals that
existing methods are vulnerable to dynamic distributional changes and often
lead to overfitting of TTA models. To address this problem, this paper first
presents a robust TTA framework with compound domain knowledge management. Our
framework helps the TTA model to harvest the knowledge of multiple
representative domains (i.e., compound domain) and conduct the TTA based on the
compound domain knowledge. In addition, to prevent overfitting of the TTA
model, we devise novel regularization which modulates the adaptation rates
using domain-similarity between the source and the current target domain. With
the synergy of the proposed framework and regularization, we achieve consistent
performance improvements in diverse TTA scenarios, especially on dynamic domain
shifts. We demonstrate the generality of proposals via extensive experiments
including image classification on ImageNet-C and semantic segmentation on GTA5,
C-driving, and corrupted Cityscapes datasets.
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