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Radio map is an efficient demonstration for visually displaying the wireless signal coverage within a certain region. It has been considered to be increasingly helpful for the future sixth generation (6G) of wireless networks, as wireless…

Signal Processing · Electrical Eng. & Systems 2024-08-29 Shuhang Zhang , Shuai Jiang , Wanjie Lin , Zheng Fang , Kangjun Liu , Hongliang Zhang , Ke Chen

The generation of high-quality, long-sequenced time-series data is essential due to its wide range of applications. In the past, standalone Recurrent and Convolutional Neural Network-based Generative Adversarial Networks (GAN) were used to…

Machine Learning · Computer Science 2024-04-25 Md Fahim Sikder , Resmi Ramachandranpillai , Fredrik Heintz

AI technologies are moving rapidly from research to production. With the popularity of Foundation Models (FMs) that generate text, images, and video, AI-based systems are increasing their complexity. Compared to traditional AI-based…

Software Engineering · Computer Science 2024-12-03 Orlando Marquez Ayala , Patrice Béchard

Life and physical sciences have always been quick to adopt the latest advances in machine learning to accelerate scientific discovery. Examples of this are cell segmentation or cancer detection. Nevertheless, these exceptional results are…

Machine Learning · Computer Science 2022-04-26 Juan Manuel Parrilla-Gutierrez

Seismic wave generation creates labeled waveform datasets for source parameter inversion, subsurface analysis, and, notably, training artificial intelligence seismology models. Traditionally, seismic wave generation has been time-consuming,…

Geophysics · Physics 2025-09-23 Longfei Duan , Zicheng Zhang , Lianqing Zhou , Congying Han , Lei Bai , Tiande Guo , Cuiping Zhao

AI-enhanced interference rejection in radio frequency (RF) transmissions has recently attracted interest because deep learning approaches trained on both the signal of interest (SOI) and the signal mixture (SOI plus interference) can…

Signal Processing · Electrical Eng. & Systems 2026-05-04 Rahul Jain , Pierre Trepagnier , Rick Gentile , Joey Botero , Alexia Schulz

High-quality recordings of radio frequency (RF) emissions from commercial communication hardware in realistic environments are often needed to develop and assess spectrum-sharing technologies and practices, e.g., for training and testing…

Signal Processing · Electrical Eng. & Systems 2022-02-21 Jack Sklar , Adam Wunderlich

Machine learning models have demonstrated remarkable efficacy and efficiency in a wide range of stock forecasting tasks. However, the inherent challenges of data scarcity, including low signal-to-noise ratio (SNR) and data homogeneity, pose…

Statistical Finance · Quantitative Finance 2024-02-13 Yuan Gao , Haokun Chen , Xiang Wang , Zhicai Wang , Xue Wang , Jinyang Gao , Bolin Ding

Rectified Flow (RF) has been widely used as an effective generative model. Although RF is primarily based on probability flow Ordinary Differential Equations (ODE), recent studies have shown that injecting noise through reverse-time…

Machine Learning · Computer Science 2025-11-13 Zhenyu Gu , Yanchen Xu , Sida Huang , Yubin Guo , Hongyuan Zhang

Along with AIGC shines in CV and NLP, its potential in the wireless domain has also emerged in recent years. Yet, existing RF-oriented generative solutions are ill-suited for generating high-quality, time-series RF data due to limited…

Machine Learning · Computer Science 2024-04-16 Guoxuan Chi , Zheng Yang , Chenshu Wu , Jingao Xu , Yuchong Gao , Yunhao Liu , Tony Xiao Han

With the development of gene sequencing technology, an explosive growth of gene data has been witnessed. And the storage of gene data has become an important issue. Traditional gene data compression methods rely on general software like…

Machine Learning · Computer Science 2023-02-01 Zhanbei Cui , Yu Liao , Tongda Xu , Yan Wang

Transformers have achieved great success in effectively processing sequential data such as text. Their architecture consisting of several attention and feedforward blocks can model relations between elements of a sequence in parallel…

Machine Learning · Computer Science 2025-02-20 Jaemu Heo , Eldor Fozilov , Hyunmin Song , Taehwan Kim

The existing Text-to-SQL models suffer from a shortage of training data, inhibiting their ability to fully facilitate the applications of SQL queries in new domains. To address this challenge, various data synthesis techniques have been…

Machine Learning · Computer Science 2025-04-08 Shenyang Liu , Saleh Almohaimeed , Liqiang Wang

Blind face restoration is a challenging task due to the unknown and complex degradation. Although face prior-based methods and reference-based methods have recently demonstrated high-quality results, the restored images tend to contain…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Guojing Ge , Qi Song , Guibo Zhu , Yuting Zhang , Jinglu Chen , Miao Xin , Ming Tang , Jinqiao Wang

Along with the prosperity of generative artificial intelligence (AI), its potential for solving conventional challenges in wireless communications has also surfaced. Inspired by this trend, we investigate the application of the advanced…

Information Theory · Computer Science 2026-03-10 Xingyu Zhou , Le Liang , Jing Zhang , Peiwen Jiang , Yong Li , Shi Jin

Radio interferometry invariably suffers from an incomplete coverage of the spatial Fourier space, which leads to imaging artifacts. The current state-of-the-art technique is to create an image by Fourier-transforming the incomplete…

Instrumentation and Methods for Astrophysics · Physics 2024-12-19 F. Geyer , K. Schmidt , J. Kummer , M. Brüggen , H. W. Edler , D. Elsässer , F. Griese , A. Poggenpohl , L. Rustige , W. Rhode

Deepfakes, created using advanced AI techniques such as Variational Autoencoder and Generative Adversarial Networks, have evolved from research and entertainment applications into tools for malicious activities, posing significant threats…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Yamini Sri Krubha , Aryana Hou , Braden Vester , Web Walker , Xin Wang , Li Lin , Shu Hu

Generative convolutional deep neural networks, e.g. popular GAN architectures, are relying on convolution based up-sampling methods to produce non-scalar outputs like images or video sequences. In this paper, we show that common up-sampling…

Computer Vision and Pattern Recognition · Computer Science 2020-03-05 Ricard Durall , Margret Keuper , Janis Keuper

Training GANs under limited data often leads to discriminator overfitting and memorization issues, causing divergent training. Existing approaches mitigate the overfitting by employing data augmentations, model regularization, or attention…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Mengping Yang , Zhe Wang , Ziqiu Chi , Yanbing Zhang

As a revolutionary generative paradigm of deep learning, generative adversarial networks (GANs) have been widely applied in various fields to synthesize realistic data. However, it is challenging for conventional GANs to synthesize raw…

Signal Processing · Electrical Eng. & Systems 2023-06-27 Weidong Wang , Jiancheng An , Hongshu Liao , Lu Gan , Chau Yuen