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Many real-world time series exhibit strong periodic structures arising from physical laws, human routines, or seasonal cycles. However, modern deep forecasting models often fail to capture these recurring patterns due to spectral bias and a…

Machine Learning · Computer Science 2025-08-05 Menglin Kong , Vincent Zhihao Zheng , Lijun Sun

Reliable automatic classification of colonoscopy images is of great significance in assessing the stage of colonic lesions and formulating appropriate treatment plans. However, it is challenging due to uneven brightness, location…

Image and Video Processing · Electrical Eng. & Systems 2022-07-05 Kai-Ni Wang , Yuting He , Shuaishuai Zhuang , Juzheng Miao , Xiaopu He , Ping Zhou , Guanyu Yang , Guang-Quan Zhou , Shuo Li

Communication efficiency is a widely recognised research problem in Federated Learning (FL), with recent work focused on developing techniques for efficient compression, distribution and aggregation of model parameters between clients and…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-09-10 Chamath Palihawadana , Nirmalie Wiratunga , Anjana Wijekoon , Harsha Kalutarage

We address the problem of decomposing an image into albedo and shading. We propose the Fast Fourier Intrinsic Network, FFI-Net in short, that operates in the spectral domain, splitting the input into several spectral bands. Weights in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Yanlin Qian , Miaojing Shi , Joni-Kristian Kämäräinen , Jiri Matas

As drones become increasingly prevalent in human life, they also raises security concerns such as unauthorized access and control, as well as collisions and interference with manned aircraft. Therefore, ensuring the ability to accurately…

Signal Processing · Electrical Eng. & Systems 2023-08-29 Zixiao Zhao , Qinghe Du , Xiang Yao , Lei Lu , Shijiao Zhang

The short-time Fourier transform (STFT) is widely used for analyzing non-stationary signals. However, its performance is highly sensitive to its parameters, and manual or heuristic tuning often yields suboptimal results. To overcome this…

Sound · Computer Science 2025-06-27 Maxime Leiber , Yosra Marnissi , Axel Barrau , Sylvain Meignen , Laurent Massoulié

Tensor neural networks (TNNs) have demonstrated their superiority in solving high-dimensional problems. However, similar to conventional neural networks, TNNs are also influenced by the Frequency Principle, which limits their ability to…

Machine Learning · Computer Science 2026-05-15 Jizu Huang , Yue Qiu , Rukang You

CTR prediction has been widely used in the real world. Many methods model feature interaction to improve their performance. However, most methods only learn a fixed representation for each feature without considering the varying importance…

Information Retrieval · Computer Science 2022-12-02 Fangye Wang , Yingxu Wang , Dongsheng Li , Hansu Gu , Tun Lu , Peng Zhang , Ning Gu

There has been an increasing interest in leveraging machine learning tools for chatter prediction and diagnosis in discrete manufacturing processes. Some of the most common features for studying chatter include traditional signal processing…

Signal Processing · Electrical Eng. & Systems 2021-01-19 Melih C. Yesilli , Firas A. Khasawneh

Low-light vision remains a fundamental challenge in computer vision due to severe illumination degradation, which significantly affects the performance of downstream tasks such as detection and segmentation. While recent state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2025-10-29 Fangtong Sun , Congyu Li , Ke Yang , Yuchen Pan , Hanwen Yu , Xichuan Zhang , Yiying Li

Transfer learning based on full fine-tuning (FFT) of the pre-trained encoder and task-specific decoder becomes increasingly complex as deep models grow exponentially. Parameter efficient fine-tuning (PEFT) approaches using adapters…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Hayeon Jo , Hyesong Choi , Minhee Cho , Dongbo Min

The core of time series analysis lies in effectively modeling the physical laws within complex signals. Existing Transformer and Convolution Neural Network (CNN) architectures are often constrained by insufficient temporal inductive bias,…

Signal Processing · Electrical Eng. & Systems 2026-05-27 Wangye Jiang , Haoming Yang , Jian Xu , Jingya Zhang

Time series prediction is a prevalent issue across various disciplines, such as meteorology, traffic surveillance, investment, and energy production and consumption. Many statistical and machine-learning strategies have been developed to…

Machine Learning · Computer Science 2023-05-26 Wei Wang , Yang Liu , Hao Sun

Transformers have captured growing attention in computer vision, thanks to its large capacity and global processing capabilities. However, transformers are data hungry, and their ability to generalize is constrained compared to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Hosam S. EL-Assiouti , Hadeer El-Saadawy , Maryam N. Al-Berry , Mohamed F. Tolba

The technologically-relevant task of feature extraction from data performed in deep-learning systems is routinely accomplished as repeated fast Fourier transforms (FFT) electronically in prevalent domain-specific architectures such as in…

Fast Fourier Transforms (FFT) are widely used to reduce memory and computational costs in deep learning. However, existing implementations, including standard FFT and real FFT (rFFT), cannot achieve true in-place computation. In particular,…

Machine Learning · Computer Science 2025-12-23 Xinyu Ding , Bangtian Liu , Siyu Liao , Zhongfeng Wang

Long-term time series forecasting is a vital task and has a wide range of real applications. Recent methods focus on capturing the underlying patterns from one single domain (e.g. the time domain or the frequency domain), and have not taken…

Machine Learning · Computer Science 2023-08-28 Yuxiao Luo , Ziyu Lyu , Xingyu Huang

We examine the performance profile of Convolutional Neural Network training on the current generation of NVIDIA Graphics Processing Units. We introduce two new Fast Fourier Transform convolution implementations: one based on NVIDIA's cuFFT…

Machine Learning · Computer Science 2015-04-14 Nicolas Vasilache , Jeff Johnson , Michael Mathieu , Soumith Chintala , Serkan Piantino , Yann LeCun

This paper has proposed a new baseline deep learning model of more benefits for image classification. Different from the convolutional neural network(CNN) practice where filters are trained by back propagation to represent different…

Computer Vision and Pattern Recognition · Computer Science 2021-08-13 Yifei Li , Kuangyan Song , Yiming Sun , Liao Zhu

The recently developed transformer networks have achieved impressive performance in image denoising by exploiting the self-attention (SA) in images. However, the existing methods mostly use a relatively small window to compute SA due to the…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Shi Guo , Hongwei Yong , Xindong Zhang , Jianqi Ma , Lei Zhang