LAKD-Activation Mapping Distillation Based on Local Learning

• URL: http://arxiv.org/abs/2408.11478v2
• Date: Thu, 22 Aug 2024 04:29:58 GMT
• Title: LAKD-Activation Mapping Distillation Based on Local Learning
• Authors: Yaoze Zhang, Yuming Zhang, Yu Zhao, Yue Zhang, Feiyu Zhu,
• Abstract summary: This paper proposes a novel knowledge distillation framework, Local Attention Knowledge Distillation (LAKD) LAKD more efficiently utilizes the distilled information from teacher networks, achieving higher interpretability and competitive performance. We conducted experiments on the CIFAR-10, CIFAR-100, and ImageNet datasets, and the results show that our LAKD method significantly outperforms existing methods.
• Score: 12.230042188890838
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Knowledge distillation is widely applied in various fundamental vision models to enhance the performance of compact models. Existing knowledge distillation methods focus on designing different distillation targets to acquire knowledge from teacher models. However, these methods often overlook the efficient utilization of distilled information, crudely coupling different types of information, making it difficult to explain how the knowledge from the teacher network aids the student network in learning. This paper proposes a novel knowledge distillation framework, Local Attention Knowledge Distillation (LAKD), which more efficiently utilizes the distilled information from teacher networks, achieving higher interpretability and competitive performance. The framework establishes an independent interactive training mechanism through a separation-decoupling mechanism and non-directional activation mapping. LAKD decouples the teacher's features and facilitates progressive interaction training from simple to complex. Specifically, the student network is divided into local modules with independent gradients to decouple the knowledge transferred from the teacher. The non-directional activation mapping helps the student network integrate knowledge from different local modules by learning coarse-grained feature knowledge. We conducted experiments on the CIFAR-10, CIFAR-100, and ImageNet datasets, and the results show that our LAKD method significantly outperforms existing methods, consistently achieving state-of-the-art performance across different datasets.

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