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Transformers excel across domains, yet their quadratic attention complexity poses a barrier to scaling. Random-feature attention, as in Performers, can reduce this cost to linear in the sequence length by approximating the softmax kernel…

Machine Learning · Computer Science 2026-03-05 Amirhossein Farzam , Hossein Mobahi , Nolan Andrew Miller , Luke Sernau

We show how the notion of message passing can be used to streamline the algebra and computer coding for fast approximate inference in large Bayesian semiparametric regression models. In particular, this approach is amenable to handling…

Methodology · Statistics 2016-04-07 M. P. Wand

The limited transparency of the inner decision-making mechanism in deep neural networks (DNN) and other machine learning (ML) models has hindered their application in several domains. In order to tackle this issue, feature attribution…

Machine Learning · Computer Science 2023-10-30 Dong Qin , George Amariucai , Daji Qiao , Yong Guan , Shen Fu

Deep learning methods are notoriously data-hungry, which requires a large number of labeled samples. Unfortunately, the large amount of interactive sample labeling efforts has dramatically hindered the application of deep learning methods,…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Han Hu , Xinrong Liang , Yulin Ding , Qisen Shang , Bo Xu , Xuming Ge , Min Chen , Ruofei Zhong , Qing Zhu

Long-sequence video diffusion transformers hit a quadratic self-attention cost that dominates runtime and memory for very long token sequences. Most efficient attention methods use one approximation everywhere, yet video features are…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Haopeng Jin

Atmospheric retrievals (AR) characterize exoplanets by estimating atmospheric parameters from observed light spectra, typically by framing the task as a Bayesian inference problem. However, traditional approaches such as nested sampling are…

Instrumentation and Methods for Astrophysics · Physics 2023-12-14 Timothy D. Gebhard , Jonas Wildberger , Maximilian Dax , Daniel Angerhausen , Sascha P. Quanz , Bernhard Schölkopf

By exploiting a causality property of the nonlinear Fourier transform, a novel decision-feedback detection strategy for nonlinear frequency-division multiplexing (NFDM) systems is introduced. The performance of the proposed strategy is…

Information Theory · Computer Science 2018-04-30 Stella Civelli , Enrico Forestieri , Marco Secondini

The study of neural networks from the perspective of Fourier features has garnered significant attention. While existing analytical research suggests that neural networks tend to learn low-frequency features, a clear attribution method for…

Machine Learning · Computer Science 2025-07-16 Zechen Liu , Feiyang Zhang , Wei Song , Xiang Li , Wei Wei

Statistical inference on histograms and frequency counts plays a central role in categorical data analysis. Moving beyond classical methods that directly analyze labeled frequencies, we introduce a framework that models the multiset of…

Statistics Theory · Mathematics 2025-11-10 Yun Ma , Pengkun Yang

Both Convolutional Neural Networks (CNNs) and Transformers have shown great success in semantic segmentation tasks. Efforts have been made to integrate CNNs with Transformer models to capture both local and global context interactions.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Guoan Xu , Wenjing Jia , Tao Wu , Ligeng Chen , Guangwei Gao

Interpretable classification of time series presents significant challenges in high dimensions. Traditional feature selection methods in the frequency domain often assume sparsity in spectral density matrices (SDMs) or their inverses, which…

Machine Learning · Statistics 2024-08-19 Sarbojit Roy , Malik Shahid Sultan , Hernando Ombao

Feature Transformation (FT) crafts new features from original ones via mathematical operations to enhance dataset expressiveness for downstream models. However, existing FT methods exhibit critical limitations: discrete search struggles…

Machine Learning · Computer Science 2025-05-22 Nanxu Gong , Zijun Li , Sixun Dong , Haoyue Bai , Wangyang Ying , Xinyuan Wang , Yanjie Fu

Traffic image restoration under adverse weather conditions remains a critical challenge for intelligent transportation systems. Existing methods primarily focus on spatial-domain modeling but neglect frequency-domain priors. Although the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Liwen Pan , Longguang Wang , Guangwei Gao , Jun Wang , Jun Shi , Juncheng Li

Along with the successful deployment of deep neural networks in several application domains, the need to unravel the black-box nature of these networks has seen a significant increase recently. Several methods have been introduced to…

Machine Learning · Computer Science 2023-07-06 Adam Ivankay , Mattia Rigotti , Pascal Frossard

Weakly-supervised diffusion models (DMs) in anomaly segmentation, leveraging image-level labels, have attracted significant attention for their superior performance compared to unsupervised methods. It eliminates the need for pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Yiming Che , Fazle Rafsani , Jay Shah , Md Mahfuzur Rahman Siddiquee , Teresa Wu

Permutation patterns-based approaches, such as permutation entropy (PerEn), have been widely and successfully used to analyze data. However, these methods have two main shortcomings. First, when a series is symbolized based on permutation…

Information Theory · Computer Science 2017-08-04 Hamed Azami , Javier Escudero

Learning about underlying patterns in data using latent unobserved structures to improve the accuracy of predictive models has become an active avenue of deep learning research. Most approaches cluster the original features to capture…

Machine Learning · Computer Science 2025-04-09 Rishav Mukherjee , Jeffrey Ahearn Thompson

Purpose: To achieve automatic hyperparameter estimation for the joint recovery of quantitative MR images, we propose a Bayesian formulation of the reconstruction problem that incorporates the signal model. Additionally, we investigate the…

Image and Video Processing · Electrical Eng. & Systems 2023-09-12 Shuai Huang , James J. Lah , Jason W. Allen , Deqiang Qiu

The distribution of fracture network is crucial to characterize the behaviors of flow field and solute transport, especially for enhanced geothermal systems, as fractures provide preferential flow paths. However, estimating the parameters…

Geophysics · Physics 2023-02-08 Guodong Chen , Xin Luo , Jiu Jimmy Jiao , Chuanyin Jiang

To equip Convolutional Neural Networks (CNNs) with explainability, it is essential to interpret how opaque models take specific decisions, understand what causes the errors, improve the architecture design, and identify unethical biases in…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Mohammad Mahdi Dehshibi , Mona Ashtari-Majlan , Gereziher Adhane , David Masip