Document detail
ID
oai:arXiv.org:2404.14674
Topic
Computer Science - Machine Learnin... Computer Science - Artificial Inte... Computer Science - Computer Vision... Computer Science - MultimediaAuthor
Chen, Yang Wu, Ruituo Liu, Yipeng Zhu, CeCategory
Computer Science
Year
2024
listing date
5/1/2024
Keywords
implicit representations neural inverse science computerAbstract
Implicit neural representations (INR) suffer from worsening spectral bias, which results in overly smooth solutions to the inverse problem.
To deal with this problem, we propose a universal framework for processing inverse problems called \textbf{High-Order Implicit Neural Representations (HOIN)}.
By refining the traditional cascade structure to foster high-order interactions among features, HOIN enhances the model's expressive power and mitigates spectral bias through its neural tangent kernel's (NTK) strong diagonal properties, accelerating and optimizing inverse problem resolution.
By analyzing the model's expression space, high-order derivatives, and the NTK matrix, we theoretically validate the feasibility of HOIN.
HOIN realizes 1 to 3 dB improvements in most inverse problems, establishing a new state-of-the-art recovery quality and training efficiency, thus providing a new general paradigm for INR and paving the way for it to solve the inverse problem.
Chen, Yang,Wu, Ruituo,Liu, Yipeng,Zhu, Ce, 2024, HOIN: High-Order Implicit Neural Representations
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