EZCrop: Energy-Zoned Channels for Robust Output Pruning
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Abstract (arXiv)
Recent results have revealed an interesting observation in a trained convolutional neural network (CNN), namely, the rank of a feature map channel matrix remains surprisingly constant despite the input images. This has led to an effective rank-based channel pruning algorithm, yet the constant rank phenomenon remains mysterious and unexplained. This work aims at demystifying and interpreting such rank behavior from a frequency-domain perspective, which as a bonus suggests an extremely efficient Fast Fourier Transform (FFT)-based metric for measuring channel importance without explicitly computing its rank. We achieve remarkable CNN channel pruning based on this analytically sound and computationally efficient metric and adopt it for repetitive pruning to demonstrate robustness via our scheme named Energy-Zoned Channels for Robust Output Pruning (EZCrop), which shows consistently better results than other state-of-the-art channel pruning methods.
Key facts. Cited by 6 papers in the map (data through 7 Oct 2026). Builds on 32 of its 47 references that are in the map. First posted on arXiv 8 May 2021.
Builds on
32 of 47 references.
References · 32
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20 more
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Built on by
Citing papers per year: 2022: 1; 2023: 2; 2024: 1; 2025: 1; 2026: 1.
6 papers.
- 2022What Do Adversarially trained Neural Networks Focus: A Fourier Domain-based Studycited by 3
- 2023Filter Pruning for Efficient CNNs via Knowledge-driven Differential Filter Samplercited by 2
- 2023Frequency Regularization: Restricting Information Redundancy of Convolutional Neural Networkscited by 1
- 2024Characterizing Disparity Between Edge Models and High-Accuracy Base Models for Vision Taskscited by 1
- 2025LinDeps: A Fine-tuning Free Post-Pruning Method to Remove Layer-Wise Linear Dependencies with Guaranteed Performance Preservationcited by 1
- 2026Efficient Text-to-Audio Generation via Pruningcited by 0
- 2026Efficient Text-to-Audio Generation via Pruning14 Jul 2026
- 2025LinDeps: A Fine-tuning Free Post-Pruning Method to Remove Layer-Wise Linear Dependencies with Guaranteed Performance Preservation29 Jul 2025
- 2024Characterizing Disparity Between Edge Models and High-Accuracy Base Models for Vision Tasks13 Jul 2024
- 2023Filter Pruning for Efficient CNNs via Knowledge-driven Differential Filter Sampler1 Jul 2023
- 2023Frequency Regularization: Restricting Information Redundancy of Convolutional Neural Networks17 Apr 2023
- 2022What Do Adversarially trained Neural Networks Focus: A Fourier Domain-based Study16 Mar 2022