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While deep learning-based models like transformers, have revolutionized time-series and vision tasks, they remain highly susceptible to noise and often overfit on noisy patterns rather than robust features. This issue is exacerbated in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Ashish Bastola , Nishant Luitel , Hao Wang , Danda Pani Paudel , Roshani Poudel , Abolfazl Razi

Deep learning (DL) strategies have recently been utilized to diagnose motor faults by simply analyzing motor phase current signals, offering a less costly and non-intrusive alternative to vibration sensors. This research transforms these…

Signal Processing · Electrical Eng. & Systems 2024-10-15 Eduardo Jr Piedad , Christian Ainsley Del Rosario , Eduardo Prieto-Araujo , Oriol Gomis-Bellmunt

We present a cosmology analysis of simulated weak lensing convergence maps using the Neural Field Scattering Transform (NFST) to constrain cosmological parameters. The NFST extends the Wavelet Scattering Transform (WST) by incorporating…

Cosmology and Nongalactic Astrophysics · Physics 2025-06-11 Matthew Craigie , Yuan-Sen Ting , Rossana Ruggeri , Tamara M. Davis

Multi-modality spatio-temporal (MoST) data extends spatio-temporal (ST) data by incorporating multiple modalities, which is prevalent in monitoring systems, encompassing diverse traffic demands and air quality assessments. Despite…

Machine Learning · Computer Science 2024-05-07 Jiewen Deng , Renhe Jiang , Jiaqi Zhang , Xuan Song

A non-decimated wavelet transform (NDWT) is a popular version of wavelet transforms because of its many advantages in applications. The inherent redundancy of this transform proved beneficial in tasks of signal denoising and scaling…

Applications · Statistics 2016-04-26 Minkyoung Kang , Brani Vidakovic

While insights into the workings of the transformer model have largely emerged by analysing their behaviour on language tasks, this work investigates the representations learnt by the Vision Transformer (ViT) encoder through the lens of…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Akshad Shyam Purushottamdas , Pranav K Nayak , Divya Mehul Rajparia , Deekshith Patel , Yashmitha Gogineni , Konda Reddy Mopuri , Sumohana S. Channappayya

Machine learning (ML) has become a versatile tool for analyzing anomalous diffusion trajectories, yet most existing pipelines are trained on large collections of simulated data. In contrast, experimental trajectories, such as those from…

Biological Physics · Physics 2025-12-10 Gongyi Wang , Yu Zhang , Zihan Huang

In recent years, the continuous wavelet transform (CWT) has been employed as a spectral feature extractor for acoustic recognition tasks in conjunction with machine learning and deep learning models. However, applying the CWT to each…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-01 Dang Thoai Phan

In computer vision, convolutional networks (CNNs) often adopts pooling to enlarge receptive field which has the advantage of low computational complexity. However, pooling can cause information loss and thus is detrimental to further…

Computer Vision and Pattern Recognition · Computer Science 2019-07-09 Pengju Liu , Hongzhi Zhang , Wei Lian , Wangmeng Zuo

Due to the emergence of new high resolution numerical weather prediction (NWP) models and the availability of new or more reliable remote sensing data, the importance of efficient spatial verification techniques is growing. Wavelet…

Atmospheric and Oceanic Physics · Physics 2017-04-05 Michael Weniger , Florian Kapp , Petra Friederichs

Accurate classification of sleep stages is crucial for the diagnosis and management of sleep disorders. Conventional approaches for sleep scoring rely on manual annotation or features extracted from EEG signals in the time or frequency…

Machine Learning · Computer Science 2025-10-10 Mehdi Zekriyapanah Gashti , Ghasem Farjamnia

Recent studies using four-point correlations suggest a parity violation in the galaxy distribution, though the significance of these detections is sensitive to the choice of simulation used to model the noise properties of the galaxy…

Instrumentation and Methods for Astrophysics · Physics 2024-05-24 Matthew Craigie , Peter L. Taylor , Yuan-Sen Ting , Carolina Cuesta-Lazaro , Rossana Ruggeri , Tamara M. Davis

We introduce a ScatterNet that uses a parametric log transformation with Dual-Tree complex wavelets to extract translation invariant representations from a multi-resolution image. The parametric transformation aids the OLS pruning algorithm…

Computer Vision and Pattern Recognition · Computer Science 2017-02-13 Amarjot Singh , Nick Kingsbury

In this work, we focus on front-end design for speech deepfake detectors, the component that determines the discriminative acoustic cues provided to the classifier. Existing approaches are primarily categorized into two types. Hand-crafted…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-01 Xi Xuan , Davide Carbone , Wenxin Zhang , Ruchi Pandey , Tomi H. Kinnunen

Coarse-to-fine schemes are widely used in traditional single-image motion deblur; however, in the context of deep learning, existing multi-scale algorithms not only require the use of complex modules for feature fusion of low-scale RGB…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Xin Gao , Tianheng Qiu , Xinyu Zhang , Hanlin Bai , Kang Liu , Xuan Huang , Hu Wei , Guoying Zhang , Huaping Liu

Transformer has been widely used for self-supervised pre-training in Natural Language Processing (NLP) and achieved great success. However, it has not been fully explored in visual self-supervised learning. Meanwhile, previous methods only…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Zhaowen Li , Zhiyang Chen , Fan Yang , Wei Li , Yousong Zhu , Chaoyang Zhao , Rui Deng , Liwei Wu , Rui Zhao , Ming Tang , Jinqiao Wang

In many places, tectonic tremor is observed in relation to slow slip and can be used as a proxy to study slow slip events of moderate magnitude where surface deformation is hidden in Global Navigation Satellite System (GNSS) noise. However,…

Geophysics · Physics 2023-01-02 Ariane Ducellier , Kenneth C. Creager , David A. Schmidt

Spatial transcriptomics (ST) technologies have revolutionized the study of gene expression patterns in tissues by providing multimodality data in transcriptomic, spatial, and morphological, offering opportunities for understanding tissue…

Computational Engineering, Finance, and Science · Computer Science 2024-01-17 Zelin Zang , Liangyu Li , Yongjie Xu , Chenrui Duan , Kai Wang , Yang You , Yi Sun , Stan Z. Li

This study develops and evaluates a novel hybridWavelet SARIMA Transformer, WST framework to forecast using monthly rainfall across five meteorological subdivisions of Northeast India over the 1971 to 2023 period. The approach employs the…

Applications · Statistics 2025-09-16 Junmoni Saikia , Kuldeep Goswami , Sarat C. Kakaty

A Machine and Deep Learning methodology is developed and applied to give a high fidelity, fast surrogate for 2D resistive MHD simulations of MagLIF implosions. The resistive MHD code GORGON is used to generate an ensemble of implosions with…

Plasma Physics · Physics 2023-10-11 Michael E. Glinsky , Kathryn Maupin