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Both classical Fourier transform-based methods and neural network methods are widely used in image processing tasks. The former has better interpretability, whereas the latter often achieves better performance in practice. This paper…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Gengzhi Yang , Yingzhou Li

Deep networks, especially convolutional neural networks (CNNs), have been successfully applied in various areas of machine learning as well as to challenging problems in other scientific and engineering fields. This paper introduces…

Numerical Analysis · Mathematics 2020-05-04 Yingzhou Li , Xiuyuan Cheng , Jianfeng Lu

In this paper, we show that extending the butterfly operations from the FFT algorithm to a general Butterfly Transform (BFT) can be beneficial in building an efficient block structure for CNN designs. Pointwise convolutions, which we refer…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Keivan Alizadeh Vahid , Anish Prabhu , Ali Farhadi , Mohammad Rastegari

We introduce an end-to-end deep learning architecture called the wide-band butterfly network (WideBNet) for approximating the inverse scattering map from wide-band scattering data. This architecture incorporates tools from computational…

Machine Learning · Computer Science 2021-11-01 Matthew Li , Laurent Demanet , Leonardo Zepeda-Núñez

The inverse short-time Fourier transform network (iSTFTNet) has garnered attention owing to its fast, lightweight, and high-fidelity speech synthesis. It obtains these characteristics using a fast and lightweight 1D CNN as the backbone and…

Sound · Computer Science 2023-08-15 Takuhiro Kaneko , Hirokazu Kameoka , Kou Tanaka , Shogo Seki

Most deep neural networks (DNNs) consist fundamentally of convolutional and/or fully connected layers, wherein the linear transform can be cast as the product between a filter matrix and a data matrix obtained by arranging feature tensors…

Machine Learning · Computer Science 2023-11-15 Rui Lin , Jason Chun Lok Li , Jiajun Zhou , Binxiao Huang , Jie Ran , Ngai Wong

A butterfly network consists of logarithmically many layers, each with a linear number of non-zero weights (pre-specified). The fast Johnson-Lindenstrauss transform (FJLT) can be represented as a butterfly network followed by a projection…

Machine Learning · Computer Science 2021-07-06 Nir Ailon , Omer Leibovich , Vineet Nair

Convolutional neural network (CNN) is one of the most widely-used successful architectures in the era of deep learning. However, the high-computational cost of CNN still hampers more universal uses to light devices. Fortunately, the Fourier…

Networking and Internet Architecture · Computer Science 2021-08-13 Xiaohan Zhu , Zhen Cui , Tong Zhang , Yong Li , Jian Yang

Quantized Neural Networks (QNNs) use low bit-width fixed-point numbers for representing weight parameters and activations, and are often used in real-world applications due to their saving of computation resources and reproducibility of…

Machine Learning · Computer Science 2020-09-01 Dachao Lin , Peiqin Sun , Guangzeng Xie , Shuchang Zhou , Zhihua Zhang

2D Convolutional neural network (CNN) has arguably become the de facto standard for computer vision tasks. Recent findings, however, suggest that CNN may not be the best option for 1D pattern recognition, especially for datasets with over 1…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Yimin Yang , Wandong Zhang , Jonathan Wu , Will Zhao , Ao Chen

We introduce a new kind of linear transform named Deformable Butterfly (DeBut) that generalizes the conventional butterfly matrices and can be adapted to various input-output dimensions. It inherits the fine-to-coarse-grained learnable…

Computer Vision and Pattern Recognition · Computer Science 2022-03-28 Rui Lin , Jie Ran , King Hung Chiu , Graziano Chesi , Ngai Wong

While the deployment of neural networks, yielding impressive results, becomes more prevalent in various applications, their interpretability and understanding remain a critical challenge. Network inversion, a technique that aims to…

Machine Learning · Computer Science 2024-02-20 Pirzada Suhail , Supratik Chakraborty , Amit Sethi

Training vision transformer networks on small datasets poses challenges. In contrast, convolutional neural networks (CNNs) can achieve state-of-the-art performance by leveraging their architectural inductive bias. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-01-24 Jianqiao Zheng , Xueqian Li , Simon Lucey

Transformer-based language models utilize the attention mechanism for substantial performance improvements in almost all natural language processing (NLP) tasks. Similar attention structures are also extensively studied in several other…

Computation and Language · Computer Science 2023-05-17 Nurullah Sevim , Ege Ozan Özyedek , Furkan Şahinuç , Aykut Koç

In this work, we discuss the application of convolutional neural networks (CNNs) as a tool to advantageously initialize Stokes profile inversions. To demonstrate the usefulness of CNNs, we concentrate in this paper on the inversion of LTE…

Instrumentation and Methods for Astrophysics · Physics 2021-07-14 R. Gafeira , D. Orozco Suárez , I. Milic , C. Quintero Noda , B. Ruiz Cobo , H. Uitenbroek

Convolutional neural networks (CNNs) have made significant advances in computer vision tasks, yet their high inference times and latency often limit real-world applicability. While model compression techniques have gained popularity as…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Zhumazhan Balapanov , Vanessa Matvei , Olivia Holmberg , Edward Magongo , Jonathan Pei , Kevin Zhu

We propose a Coefficient-to-Basis Network (C2BNet), a novel framework for solving inverse problems within the operator learning paradigm. C2BNet efficiently adapts to different discretizations through fine-tuning, using a pre-trained model…

Machine Learning · Computer Science 2025-03-12 Zecheng Zhang , Hao Liu , Wenjing Liao , Guang Lin

In this paper, we address the issue of how to enhance the generalization performance of convolutional neural networks (CNN) in the early learning stage for image classification. This is motivated by real-time applications that require the…

Computer Vision and Pattern Recognition · Computer Science 2018-05-11 Xishuang Dong , Hsiang-Huang Wu , Yuzhong Yan , Lijun Qian

Overparameterized neural networks generalize well but are expensive to train. Ideally, one would like to reduce their computational cost while retaining their generalization benefits. Sparse model training is a simple and promising approach…

Machine Learning · Computer Science 2022-05-12 Tri Dao , Beidi Chen , Kaizhao Liang , Jiaming Yang , Zhao Song , Atri Rudra , Christopher Ré

Deep learning applications have achieved great success in numerous real-world applications. Deep learning models, especially Convolution Neural Networks (CNN) are often prototyped using FPGA because it offers high power efficiency and…

Machine Learning · Computer Science 2022-02-22 Adewale Adeyemo , Travis Sandefur , Tolulope A. Odetola , Syed Rafay Hasan
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