CORSD: Class-Oriented Relational Self Distillation
- URL: http://arxiv.org/abs/2305.00918v1
- Date: Fri, 28 Apr 2023 16:00:31 GMT
- Title: CORSD: Class-Oriented Relational Self Distillation
- Authors: Muzhou Yu, Sia Huat Tan, Kailu Wu, Runpei Dong, Linfeng Zhang,
Kaisheng Ma
- Abstract summary: Knowledge distillation conducts an effective model compression method while holding some limitations.
We propose a novel training framework named Class-Oriented Self Distillation (CORSD) to address the limitations.
- Score: 16.11986532440837
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Knowledge distillation conducts an effective model compression method while
holding some limitations:(1) the feature based distillation methods only focus
on distilling the feature map but are lack of transferring the relation of data
examples; (2) the relational distillation methods are either limited to the
handcrafted functions for relation extraction, such as L2 norm, or weak in
inter- and intra- class relation modeling. Besides, the feature divergence of
heterogeneous teacher-student architectures may lead to inaccurate relational
knowledge transferring. In this work, we propose a novel training framework
named Class-Oriented Relational Self Distillation (CORSD) to address the
limitations. The trainable relation networks are designed to extract relation
of structured data input, and they enable the whole model to better classify
samples by transferring the relational knowledge from the deepest layer of the
model to shallow layers. Besides, auxiliary classifiers are proposed to make
relation networks capture class-oriented relation that benefits classification
task. Experiments demonstrate that CORSD achieves remarkable improvements.
Compared to baseline, 3.8%, 1.5% and 4.5% averaged accuracy boost can be
observed on CIFAR100, ImageNet and CUB-200-2011, respectively.
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