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Forward-Only Learning for Shared-Kernel Wavelet Neural Networks without Backpropagation

Yongfei Guo, Xuan Sun, Ang Li, Zhao Zhang, Yuanhao Gong · 2026 · arXiv

DOI: 10.48550/arXiv.2610.29697 · open-access PDF

German

Backpropagation bleibt das dominante Trainingsparadigma, wobei rückwärtige Gradienten und lokale Updates verwendet werden, die durch verschwindende oder explodierende Gradienten in tiefen Netzwerken betroffen sein können. Obwohl der Forward-Forward-Algorithmus konventionelle Backpropagation vermeidet, bleibt er hauptsächlich lokal oder schichtweise, wodurch globales Ganznetz-Lernen nur mit vorwärtigen Bewertungen motiviert wird.Für gemeinsame Kernel-Wavelet-Nervennetzwerke schlagen wir daher einen CMA-ES-basierten globalen forward-only-Learning-Framework vor.

Machine translation (Meta M2M100); the English original follows.

Abstract

Backpropagation remains the dominant training paradigm, using backward gradients and local updates that can suffer from vanishing or exploding gradients in deep networks. Although the Forward-Forward algorithm avoids conventional backpropagation, it remains mainly local or layer-wise, motivating global whole-network learning using forward evaluations only. For shared-kernel wavelet neural networks, we therefore propose a CMA-ES-based global forward-only learning framework. We further introduce structure-aware parameter decomposition and channel-specific credit assignment, factorizing the searc

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