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Neural networks have complex structures, and thus it is hard to understand their inner workings and ensure correctness. To understand and debug convolutional neural networks (CNNs) we propose techniques for testing the channels of CNNs. We…

Machine Learning · Computer Science 2023-03-08 Kang Choi , Donghyun Son , Younghoon Kim , Jiwon Seo

Deep convolutional neural networks have achieved impressive performance on a broad range of problems, beating prior art on established benchmarks, but it often remains unclear what are the representations learnt by those systems and how…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 Sen He , Nicolas Pugeault

One of the strengths of traditional convolutional neural networks (CNNs) is their inherent translational invariance. However, for the task of speech enhancement in the time-frequency domain, this property cannot be fully exploited due to a…

Sound · Computer Science 2020-11-10 Koen Oostermeijer , Qing Wang , Jun Du

A major issue in harmonic analysis is to capture the phase dependence of frequency representations, which carries important signal properties. It seems that convolutional neural networks have found a way. Over time-series and images,…

Signal Processing · Electrical Eng. & Systems 2019-07-02 Stéphane Mallat , Sixin Zhang , Gaspar Rochette

Convolutional Neural Networks (CNNs) perform very well in image classification and object detection in recent years, but even the most advanced models have limited rotation invariance. Known solutions include the enhancement of training…

Computer Vision and Pattern Recognition · Computer Science 2022-02-28 Zongbo Hao , Tao Zhang , Mingwang Chen , Kaixu Zhou

Convolutional Neural Networks (CNNs) have dominated the majority of computer vision tasks. However, CNNs' vulnerability to adversarial attacks has raised concerns about deploying these models to safety-critical applications. In contrast,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Keng-Hsin Liao , Chin-Yuan Yeh , Hsi-Wen Chen , Ming-Syan Chen

Convolutional Neural Networks have achieved impressive results in various tasks, but interpreting the internal mechanism is a challenging problem. To tackle this problem, we exploit a multi-channel attention mechanism in feature space. Our…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Masanari Kimura , Masayuki Tanaka

Neural networks in the real domain have been studied for a long time and achieved promising results in many vision tasks for recent years. However, the extensions of the neural network models in other number fields and their potential…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Xuanyu Zhu , Yi Xu , Hongteng Xu , Changjian Chen

Face recognition (FR) models are vulnerable to performance variations across demographic groups. The causes for these performance differences are unclear due to the highly complex deep learning-based structure of face recognition models.…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Marco Huber , Fadi Boutros , Naser Damer

Convolutional neural networks (CNNs) are able to attain better visual recognition performance than fully connected neural networks despite having much fewer parameters due to their parameter sharing principle. Modern architectures usually…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 Ilke Cugu , Emre Akbas

Deep Convolutional Neural Networks (CNNs) have been one of the most influential recent developments in computer vision, particularly for categorization. There is an increasing demand for explainable AI as these systems are deployed in the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-21 Tian Xu , Jiayu Zhan , Oliver G. B. Garrod , Philip H. S. Torr , Song-Chun Zhu , Robin A. A. Ince , Philippe G. Schyns

Cardiac auscultation is the most practiced non-invasive and cost-effective procedure for the early diagnosis of heart diseases. While machine learning based systems can aid in automatically screening patients, the robustness of these…

Signal Processing · Electrical Eng. & Systems 2020-10-05 Ahmed Imtiaz Humayun , Shabnam Ghaffarzadegan , Md. Istiaq Ansari , Zhe Feng , Taufiq Hasan

Filters in a Convolutional Neural Network (CNN) contain model parameters learned from enormous amounts of data. In this paper, we suggest to decompose convolutional filters in CNN as a truncated expansion with pre-fixed bases, namely the…

Machine Learning · Statistics 2018-07-31 Qiang Qiu , Xiuyuan Cheng , Robert Calderbank , Guillermo Sapiro

Recently, intermediate feature maps of pre-trained convolutional neural networks have shown significant perceptual quality improvements, when they are used in the loss function for training new networks. It is believed that these features…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Taimoor Tariq , Okan Tarhan Tursun , Munchurl Kim , Piotr Didyk

Convolutional Neural Network (CNN) is one of the most significant networks in the deep learning field. Since CNN made impressive achievements in many areas, including but not limited to computer vision and natural language processing, it…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Zewen Li , Wenjie Yang , Shouheng Peng , Fan Liu

Convolutional neural network (CNN) pruning has become one of the most successful network compression approaches in recent years. Existing works on network pruning usually focus on removing the least important filters in the network to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Zi Wang , Chengcheng Li , Xiangyang Wang

Convolutional Neural Networks (CNNs) have shown strong promise for analyzing scientific data from many domains including particle imaging detectors. However, the challenge of choosing the appropriate network architecture (depth, kernel…

Computer Vision and Pattern Recognition · Computer Science 2020-01-13 Duc Hoang , Jesse Hamer , Gabriel N. Perdue , Steven R. Young , Jonathan Miller , Anushree Ghosh

Frequency-domain learning draws attention due to its superior tradeoff between inference accuracy and input data size. Frequency-domain learning in 2D computer vision tasks has shown that 2D convolutional neural networks (CNN) have a…

Computer Vision and Pattern Recognition · Computer Science 2023-02-22 Zifan Yu , Suya You , Fengbo Ren

Improving the generalization ability of Deep Neural Networks (DNNs) is critical for their practical uses, which has been a longstanding challenge. Some theoretical studies have uncovered that DNNs have preferences for some frequency…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Shiqi Lin , Zhizheng Zhang , Zhipeng Huang , Yan Lu , Cuiling Lan , Peng Chu , Quanzeng You , Jiang Wang , Zicheng Liu , Amey Parulkar , Viraj Navkal , Zhibo Chen

Recent efforts have shown machine learning to be useful for the prediction of nonlinear fluid dynamics. Predictive accuracy is often a central motivation for employing neural networks, but the pattern recognition central to the network…

Fluid Dynamics · Physics 2022-08-23 Shizheng Wen , Michael W. Lee , Kai M. Kruger Bastos , Earl H. Dowell