Preserve Pre-trained Knowledge: Transfer Learning With Self-Distillation For Action Recognition

• URL: http://arxiv.org/abs/2205.00506v1
• Date: Sun, 1 May 2022 16:31:25 GMT
• Title: Preserve Pre-trained Knowledge: Transfer Learning With Self-Distillation For Action Recognition
• Authors: Yang Zhou, Zhanhao He, Keyu Lu, Guanhong Wang, Gaoang Wang
• Abstract summary: We propose a novel transfer learning approach that combines self-distillation in fine-tuning to preserve knowledge from the pre-trained model learned from the large-scale dataset. Specifically, we fix the encoder from the last epoch as the teacher model to guide the training of the encoder from the current epoch in the transfer learning.
• Score: 8.571437792425417
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Video-based action recognition is one of the most popular topics in computer vision. With recent advances of selfsupervised video representation learning approaches, action recognition usually follows a two-stage training framework, i.e., self-supervised pre-training on large-scale unlabeled sets and transfer learning on a downstream labeled set. However, catastrophic forgetting of the pre-trained knowledge becomes the main issue in the downstream transfer learning of action recognition, resulting in a sub-optimal solution. In this paper, to alleviate the above issue, we propose a novel transfer learning approach that combines self-distillation in fine-tuning to preserve knowledge from the pre-trained model learned from the large-scale dataset. Specifically, we fix the encoder from the last epoch as the teacher model to guide the training of the encoder from the current epoch in the transfer learning. With such a simple yet effective learning strategy, we outperform state-of-the-art methods on widely used UCF101 and HMDB51 datasets in action recognition task.

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