Deep Edge Filter: Return of the Human-Crafted Layer in Deep Learning

Fuente: arXiv
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Autores principales: Lee, Dongkwan, Lee, Junhoo, Kwak, Nojun
Formato: Preprint
Publicado: 2025
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author Lee, Dongkwan
Lee, Junhoo
Kwak, Nojun
author_facet Lee, Dongkwan
Lee, Junhoo
Kwak, Nojun
contents We introduce the Deep Edge Filter, a novel approach that applies high-pass filtering to deep neural network features to improve model generalizability. Our method is motivated by our hypothesis that neural networks encode task-relevant semantic information in high-frequency components while storing domain-specific biases in low-frequency components of deep features. By subtracting low-pass filtered outputs from original features, our approach isolates generalizable representations while preserving architectural integrity. Experimental results across diverse domains such as Vision, Text, 3D, and Audio demonstrate consistent performance improvements regardless of model architecture and data modality. Analysis reveals that our method induces feature sparsification and effectively isolates high-frequency components, providing empirical validation of our core hypothesis. The code is available at https://github.com/dongkwani/DeepEdgeFilter.
format Preprint
id arxiv_https___arxiv_org_abs_2510_13865
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Deep Edge Filter: Return of the Human-Crafted Layer in Deep Learning
Lee, Dongkwan
Lee, Junhoo
Kwak, Nojun
Machine Learning
Artificial Intelligence
We introduce the Deep Edge Filter, a novel approach that applies high-pass filtering to deep neural network features to improve model generalizability. Our method is motivated by our hypothesis that neural networks encode task-relevant semantic information in high-frequency components while storing domain-specific biases in low-frequency components of deep features. By subtracting low-pass filtered outputs from original features, our approach isolates generalizable representations while preserving architectural integrity. Experimental results across diverse domains such as Vision, Text, 3D, and Audio demonstrate consistent performance improvements regardless of model architecture and data modality. Analysis reveals that our method induces feature sparsification and effectively isolates high-frequency components, providing empirical validation of our core hypothesis. The code is available at https://github.com/dongkwani/DeepEdgeFilter.
title Deep Edge Filter: Return of the Human-Crafted Layer in Deep Learning
topic Machine Learning
Artificial Intelligence
url https://arxiv.org/abs/2510.13865