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相关论文: Fast Walsh-Hadamard Transform and Smooth-Threshold…

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Convolution has been the core operation of modern deep neural networks. It is well-known that convolutions can be implemented in the Fourier Transform domain. In this paper, we propose to use binary block Walsh-Hadamard transform (WHT)…

机器学习 · 计算机科学 2022-01-31 Hongyi Pan , Diaa Badawi , Ahmet Enis Cetin

A new iterative low complexity algorithm has been presented for computing the Walsh-Hadamard transform (WHT) of an $N$ dimensional signal with a $K$-sparse WHT, where $N$ is a power of two and $K = O(N^\alpha)$, scales sub-linearly in $N$…

信息论 · 计算机科学 2019-05-08 Robin Scheibler , Saeid Haghighatshoar , Martin Vetterli

In this paper, we propose a novel Hadamard Transform (HT)-based neural network layer for hybrid quantum-classical computing. It implements the regular convolutional layers in the Hadamard transform domain. The idea is based on the HT…

计算机视觉与模式识别 · 计算机科学 2024-02-26 Hongyi Pan , Xin Zhu , Salih Atici , Ahmet Enis Cetin

Some conventional transforms such as Discrete Walsh-Hadamard Transform (DWHT) and Discrete Cosine Transform (DCT) have been widely used as feature extractors in image processing but rarely applied in neural networks. However, we found that…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Joonhyun Jeong , Sung-Ho Bae

Convolutional neural networks rely on linear filtering operations that can be reformulated efficiently in suitable transform domains. At the same time, advances in quantum computing have shown that certain structured linear transforms can…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Vittorio Palladino , Tsai Idden , Ahmet Enis Cetin

We give algorithms with lower arithmetic operation counts for both the Walsh-Hadamard Transform (WHT) and the Discrete Fourier Transform (DFT) on inputs of power-of-2 size $N$. For the WHT, our new algorithm has an operation count of…

数据结构与算法 · 计算机科学 2023-06-16 Josh Alman , Kevin Rao

In this paper, we propose a set of transform-based neural network layers as an alternative to the $3\times3$ Conv2D layers in Convolutional Neural Networks (CNNs). The proposed layers can be implemented based on orthogonal transforms such…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Hongyi Pan , Emadeldeen Hamdan , Xin Zhu , Salih Atici , Ahmet Enis Cetin

In the mid-second decade of new millennium, the development of IT has reached unprecedented new heights. As one derivative of Moore's law, the operating system evolves from the initial 16 bits, 32 bits, to the ultimate 64 bits. Most modern…

分布式、并行与集群计算 · 计算机科学 2017-09-21 Yi Lu

Discrete transforms such as the discrete Fourier transform (DFT) or the discrete Hartley transform (DHT) furnish an indispensable tool in signal processing. The successful application of transform techniques relies on the existence of the…

数据结构与算法 · 计算机科学 2015-08-27 H. M. de Oliveira , R. J. Cintra , R. M. Campello de Souza

We propose Walsh-Hadamard Transform Division Multiplexing (WHTDM), a multicarrier waveform that replaces the conventional IFFT/FFT pair in OFDM with a real-valued, unitary Walsh-Hadamard transform (WHT). WHTDM inherits the CP-OFDM…

信号处理 · 电气工程与系统科学 2026-05-15 Wang Hao , Yuan Zhonghao , Chi Yonggang , Zhang Kuang , Tan Chenxing , Yu Jiaxing

The edge processing of deep neural networks (DNNs) is becoming increasingly important due to its ability to extract valuable information directly at the data source to minimize latency and energy consumption. Frequency-domain model…

硬件体系结构 · 计算机科学 2023-09-06 Nastaran Darabi , Maeesha Binte Hashem , Hongyi Pan , Ahmet Cetin , Wilfred Gomes , Amit Ranjan Trivedi

New efficient source feature compression solutions are proposed based on a two-stage Walsh-Hadamard Transform (WHT) for Convolutional Neural Network (CNN)-based object classification in underwater robotics. The object images are firstly…

计算机视觉与模式识别 · 计算机科学 2021-12-30 Xueyuan Zhao , Mehdi Rahmati , Dario Pompili

We consider the problem of computing the Walsh-Hadamard Transform (WHT) of some $N$-length input vector in the presence of noise, where the $N$-point Walsh spectrum is $K$-sparse with $K = {O}(N^{\delta})$ scaling sub-linearly in the input…

信息论 · 计算机科学 2015-08-27 Xiao Li , Joseph K. Bradley , Sameer Pawar , Kannan Ramchandran

We present a logarithmic-scale efficient convolutional neural network architecture for edge devices, named WaveletNet. Our model is based on the well-known depthwise convolution, and on two new layers, which we introduce in this work: a…

机器学习 · 计算机科学 2018-11-29 Li Jing , Rumen Dangovski , Marin Soljacic

A new transform over finite fields, the finite field Hartley transform (FFHT), was recently introduced and a number of promising applications on the design of efficient multiple access systems and multilevel spread spectrum sequences were…

数值分析 · 计算机科学 2015-02-06 H. M. de Oliveira , R. G. F. Távora , R. J. Cintra , R. M. Campello de Souza

Neural operators have emerged as powerful tools for learning solution operators of partial differential equations (PDEs). However, standard spectral methods based on Fourier transforms struggle with problems involving discontinuous…

计算物理 · 物理学 2026-05-20 Giorgio M. Cavallazzi , Miguel Pérez Cuadrado , Alfredo Pinelli

The dense output projection in multi head attention scales quadratically with model dimension, contributing significantly to parameter count, memory footprint, and inference cost. We propose replacing this projection with a fixed, parameter…

机器学习 · 计算机科学 2026-03-31 Shubham Aggarwal , Lokendra Kumar

This study investigates the integration of signal processing transformations -- Fast Fourier Transform (FFT), Walsh-Hadamard Transform (WHT), and Discrete Cosine Transform (DCT) -- within the ResNet50 convolutional neural network (CNN)…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Berk Yilmaz , Daniel Fidel Harvey , Prajit Dhuri

We present HadaCore, a modified Fast Walsh-Hadamard Transform (FWHT) algorithm optimized for the Tensor Cores present in modern GPU hardware. HadaCore follows the recursive structure of the original FWHT algorithm, achieving the same…

分布式、并行与集群计算 · 计算机科学 2024-12-13 Krish Agarwal , Rishi Astra , Adnan Hoque , Mudhakar Srivatsa , Raghu Ganti , Less Wright , Sijia Chen

The surge in interest regarding image dehazing has led to notable advancements in deep learning-based single image dehazing approaches, exhibiting impressive performance in recent studies. Despite these strides, many existing methods fall…

计算机视觉与模式识别 · 计算机科学 2025-01-20 Seongmin Hwang , Daeyoung Han , Cheolkon Jung , Moongu Jeon
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