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This work introduces Differential Wavelet Amplifier (DWA), a drop-in module for wavelet-based image Super-Resolution (SR). DWA invigorates an approach recently receiving less attention, namely Discrete Wavelet Transformation (DWT). DWT…

Image and Video Processing · Electrical Eng. & Systems 2024-03-08 Brian B. Moser , Stanislav Frolov , Federico Raue , Sebastian Palacio , Andreas Dengel

Deep neural network is an effective choice to automatically recognize human actions utilizing data from various wearable sensors. These networks automate the process of feature extraction relying completely on data. However, various noises…

Signal Processing · Electrical Eng. & Systems 2021-01-05 Tanvir Mahmud , A. Q. M. Sazzad Sayyed , Shaikh Anowarul Fattah , Sun-Yuan Kung

Following the great success of Machine Learning (ML), especially Deep Neural Networks (DNNs), in many research domains in 2010s, several ML-based approaches were proposed for detection in large inverse linear problems, e.g., massive MIMO…

Signal Processing · Electrical Eng. & Systems 2021-10-22 Edgar Beck , Carsten Bockelmann , Armin Dekorsy

This work introduces a novel deep learning-based approach for gravitational wave anomaly detection, aiming to overcome the limitations of traditional matched filtering techniques in identifying unknown waveform gravitational wave signals.…

Machine Learning · Computer Science 2025-03-18 Jianqi Yan , Alex P. Leung , Zhiyuan Pei , David C. Y. Hui , Sangin Kim

This paper proposes a new framework based on a wavelet transform and deep neural network for identifying noisy Raman spectrum since, in practice, it is relatively difficult to classify the spectrum under baseline noise and additive white…

Weakly-supervised semantic segmentation (WSSS) using image-level labels has recently attracted much attention for reducing annotation costs. Existing WSSS methods utilize localization maps from the classification network to generate pseudo…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Beomyoung Kim , Sangeun Han , Junmo Kim

Semantically interpreting the traffic scene is crucial for autonomous transportation and robotics systems. However, state-of-the-art semantic segmentation pipelines are dominantly designed to work with pinhole cameras and train with narrow…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Kailun Yang , Xinxin Hu , Hao Chen , Kaite Xiang , Kaiwei Wang , Rainer Stiefelhagen

Recent advances in deep learning have facilitated the design of speaker verification systems that directly input raw waveforms. For example, RawNet extracts speaker embeddings from raw waveforms, which simplifies the process pipeline and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-08 Jee-weon Jung , Seung-bin Kim , Hye-jin Shim , Ju-ho Kim , Ha-Jin Yu

With the rapid advancement of deep learning, the field of change detection (CD) in remote sensing imagery has achieved remarkable progress. Existing change detection methods primarily focus on achieving higher accuracy with increased…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Chenfeng Xu

High-frequency features are critical in multiscale phenomena such as turbulent flows and phase transitions, since they encode essential physical information. The recently proposed Wavelet Neural Operator (WNO) utilizes wavelets'…

Numerical Analysis · Mathematics 2025-06-24 Wei-Min Lei , Hou-Biao Li

Recently, with the advent of deep convolutional neural networks (DCNN), the improvements in visual saliency prediction research are impressive. One possible direction to approach the next improvement is to fully characterize the multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2019-05-10 Sheng Yang , Guosheng Lin , Qiuping Jiang , Weisi Lin

This study presents a lightweight dual-domain super-resolution network (DDSRNet) that combines Spatial-Net with the discrete wavelet transform (DWT). Specifically, our proposed model comprises three main components: (1) a shallow feature…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Murat Karayaka , Usman Muhammad , Jorma Laaksonen , Md Ziaul Hoque , Tapio Seppänen

Traffic forecasting is the foundation for intelligent transportation systems. Spatiotemporal graph neural networks have demonstrated state-of-the-art performance in traffic forecasting. However, these methods do not explicitly model some of…

Machine Learning · Computer Science 2024-03-05 Qipeng Qian , Tanwi Mallick

Deep learning models extract, before a final classification layer, features or patterns which are key for their unprecedented advantageous performance. However, the process of complex nonlinear feature extraction is not well understood, a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-18 Roozbeh Yousefzadeh , Furong Huang

Spectrum prediction is considered to be a promising technology that enhances spectrum efficiency by assisting dynamic spectrum access (DSA) in cognitive radio networks (CRN). Nonetheless, the highly nonlinear nature of spectrum data across…

Signal Processing · Electrical Eng. & Systems 2024-12-16 Guangliang Pan , David K. Y. Yau , Bo Zhou , Qihui Wu

As the electromagnetic environment becomes increasingly complex, Global Navigation Satellite Systems (GNSS) face growing threats from sophisticated jamming interference. Although Deep Learning (DL) effectively identifies basic interference,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Zhihan Zeng , Yang Zhao , Kaihe Wang , Dusit Niyato , Hongyuan Shu , Junchu Zhao , Yanjun Huang , Yue Xiu , Zhongpei Zhang , Ning Wei

Robust estimation of the essential matrix, which encodes the relative position and orientation of two cameras, is a fundamental step in structure from motion pipelines. Recent deep-based methods achieved accurate estimation by using complex…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Dror Moran , Yuval Margalit , Guy Trostianetsky , Fadi Khatib , Meirav Galun , Ronen Basri

In a real-world infrared imaging system, effectively learning a consistent stripe noise removal model is essential. Most existing destriping methods cannot precisely reconstruct images due to cross-level semantic gaps and insufficient…

Computer Vision and Pattern Recognition · Computer Science 2025-01-27 Shuai Yuan , Hanlin Qin , Xiang Yan , Shiqi Yang , Shuowen Yang , Naveed Akhtar , Huixin Zhou

The challenge in WiFi-based cross-domain Behavior Recognition lies in the significant interference of domain-specific signals on gesture variation. However, previous methods alleviate this interference by mapping the phase from multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Ruobei Zhang , Shengeng Tang , Huan Yan , Xiang Zhang , Jiabao Guo

Compressed domain image classification performs classification directly on compressive measurements acquired from the single-pixel camera, bypassing the image reconstruction step. It is of great importance for extending high-speed object…

Computer Vision and Pattern Recognition · Computer Science 2020-12-15 Yibo Xu , Weidi Liu , Kevin F. Kelly