NTK-Guided Implicit Neural Teaching

Fuente: arXiv
Guardado en:
Detalles Bibliográficos
Autores principales: Zhang, Chen, Zuo, Wei, Cheng, Bingyang, Wang, Yikun, Kou, Wei-Bin, WU, Yik Chung, Wong, Ngai
Formato: Preprint
Publicado: 2025
Materias:
Acceso en línea:
Etiquetas: Agregar Etiqueta
Sin Etiquetas, Sea el primero en etiquetar este registro!
_version_ 1866914349125206016
author Zhang, Chen
Zuo, Wei
Cheng, Bingyang
Wang, Yikun
Kou, Wei-Bin
WU, Yik Chung
Wong, Ngai
author_facet Zhang, Chen
Zuo, Wei
Cheng, Bingyang
Wang, Yikun
Kou, Wei-Bin
WU, Yik Chung
Wong, Ngai
contents Implicit Neural Representations (INRs) parameterize continuous signals via multilayer perceptrons (MLPs), enabling compact, resolution-independent modeling for tasks like image, audio, and 3D reconstruction. However, fitting high-resolution signals demands optimizing over millions of coordinates, incurring prohibitive computational costs. To address it, we propose NTK-Guided Implicit Neural Teaching (NINT), which accelerates training by dynamically selecting coordinates that maximize global functional updates. Leveraging the Neural Tangent Kernel (NTK), NINT scores examples by the norm of their NTK-augmented loss gradients, capturing both fitting errors and heterogeneous leverage (self-influence and cross-coordinate coupling). This dual consideration enables faster convergence compared to existing methods. Through extensive experiments, we demonstrate that NINT significantly reduces training time by nearly half while maintaining or improving representation quality, establishing state-of-the-art acceleration among recent sampling-based strategies.
format Preprint
id arxiv_https___arxiv_org_abs_2511_15487
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle NTK-Guided Implicit Neural Teaching
Zhang, Chen
Zuo, Wei
Cheng, Bingyang
Wang, Yikun
Kou, Wei-Bin
WU, Yik Chung
Wong, Ngai
Machine Learning
Computer Vision and Pattern Recognition
Implicit Neural Representations (INRs) parameterize continuous signals via multilayer perceptrons (MLPs), enabling compact, resolution-independent modeling for tasks like image, audio, and 3D reconstruction. However, fitting high-resolution signals demands optimizing over millions of coordinates, incurring prohibitive computational costs. To address it, we propose NTK-Guided Implicit Neural Teaching (NINT), which accelerates training by dynamically selecting coordinates that maximize global functional updates. Leveraging the Neural Tangent Kernel (NTK), NINT scores examples by the norm of their NTK-augmented loss gradients, capturing both fitting errors and heterogeneous leverage (self-influence and cross-coordinate coupling). This dual consideration enables faster convergence compared to existing methods. Through extensive experiments, we demonstrate that NINT significantly reduces training time by nearly half while maintaining or improving representation quality, establishing state-of-the-art acceleration among recent sampling-based strategies.
title NTK-Guided Implicit Neural Teaching
topic Machine Learning
Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2511.15487