Knowledge distillation constitutes a potent methodology for condensing substantial neural networks into more compact and efficient counterparts. Within this context, softmax regression representation learning serves as a widely embraced approach, leveraging a pre-established teacher network to guide the learning process of a diminutive student network. Notably, despite the extensive inquiry into the efficacy of softmax regression representation learning, the intricate underpinnings governing the knowledge transfer mechanism remain inadequately elucidated. This study introduces the 'Ideal Joint Classifier Knowledge Distillation' (IJCKD) framework, an overarching paradigm that not only furnishes a lucid and exhaustive comprehension of prevailing knowledge distillation techniques but also establishes a theoretical underpinning for prospective investigations. Employing mathematical methodologies derived from domain adaptation theory, this investigation conducts a comprehensive examination of the error boundary of the student network contingent upon the teacher network. Consequently, our framework facilitates efficient knowledge transference between teacher and student networks, thereby accommodating a diverse spectrum of applications.
翻译:知识蒸馏是一种将大型神经网络压缩为更紧凑高效模型的重要方法。在此背景下,基于软最大回归的表示学习被广泛采用,它利用预先训练的教师网络指导小型学生网络的学习过程。值得注意的是,尽管对软最大回归表示学习的有效性进行了广泛探究,但支配知识迁移机制的复杂基础原理仍未得到充分阐释。本研究引入“理想联合分类器知识蒸馏”(IJCKD)框架,这一总体范式不仅为理解现有知识蒸馏技术提供了清晰而全面的认识,也为未来研究奠定了理论基础。采用源于领域自适应理论的数学方法,本研究全面考察了学生网络依赖于教师网络的误差边界。因此,我们的框架促进了教师网络与学生网络之间的高效知识迁移,从而适用于多样化的应用场景。