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Removing the shape noise from the observed weak lensing field, i.e., denoising, enhances the potential of WL by accessing information at small scales where the shape noise dominates without denoising. We utilise two machine learning (ML)…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-13 Shohei D. Aoyama , Ken Osato , Masato Shirasaki

Leveraging the inherent connection between sensing systems and wireless communications can improve their overall performance and is the core objective of joint communications and sensing. For effective communications, one has to frequently…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Benedikt Böck , Franz Weißer , Michael Baur , Wolfgang Utschick

In this paper, we propose a novel physics-informed generative learning approach, named RadioDiff-$k^2$, for accurate and efficient multipath-aware radio map (RM) construction. As future wireless communication evolves towards…

Machine Learning · Computer Science 2025-10-20 Xiucheng Wang , Qiming Zhang , Nan Cheng , Ruijin Sun , Zan Li , Shuguang Cui , Xuemin Shen

This paper proposes a supervised training algorithm for learning stochastic resource allocation policies with generative diffusion models (GDMs). We formulate the allocation problem as the maximization of an ergodic utility function subject…

Machine Learning · Computer Science 2025-09-23 Yigit Berkay Uslu , Samar Hadou , Shirin Saeedi Bidokhti , Alejandro Ribeiro

In recent years, diffusion models (DMs) have become a popular method for generating synthetic data. By achieving samples of higher quality, they quickly became superior to generative adversarial networks (GANs) and the current…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Denisa Qosja , Simon Wagner , Daniel O'Hagan

Channel estimation for massive multiple-input multiple-output (MIMO) systems is fundamentally constrained by excessive pilot overhead and high estimation latency. To overcome these obstacles, recent studies have leveraged deep generative…

Information Theory · Computer Science 2025-10-28 Ziqi Diao , Xingyu Zhou , Le Liang , Shi Jin

Magnetic Resonance Fingerprinting (MRF) is a time-efficient approach to quantitative MRI, enabling the mapping of multiple tissue properties from a single, accelerated scan. However, achieving accurate reconstructions remains challenging,…

Image and Video Processing · Electrical Eng. & Systems 2024-12-19 Perla Mayo , Carolin M. Pirkl , Alin Achim , Bjoern H. Menze , Mohammad Golbabaee

Generative models, including denoising diffusion models (DM), are gaining attention in wireless applications due to their ability to learn complex data distributions. In this paper, we propose CoDiPhy, a novel framework that leverages…

Signal Processing · Electrical Eng. & Systems 2025-03-14 Peyman Neshaastegaran , Ming Jian

Intelligent access point (AP) deployment remains challenging in next-generation wireless networks due to complex indoor geometries and signal propagation. We firstly benchmark general-purpose large language models (LLMs) as agentic…

Machine Learning · Computer Science 2026-02-03 Chenyang Yuan , Xiaoyuan Cheng

Probabilistic regression models the entire predictive distribution of a response variable, offering richer insights than classical point estimates and directly allowing for uncertainty quantification. While diffusion-based generative models…

Machine Learning · Computer Science 2025-10-07 Carlo Kneissl , Christopher Bülte , Philipp Scholl , Gitta Kutyniok

The radio map represents the spatial distribution of spectrum resources within a region, supporting efficient resource allocation and interference mitigation. However, it is difficult to construct a dense radio map as a limited number of…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Taiqin Chen , Zikun Zhou , Zheng Fang , Wenzhen Zou , Kangjun Liu , Ke Chen , Yongbing Zhang , Yaowei Wang

Despite the proliferation of generative models, achieving fast sampling during inference without compromising sample diversity and quality remains challenging. Existing models such as Denoising Diffusion Probabilistic Models (DDPM) deliver…

Machine Learning · Computer Science 2023-10-12 Yanwu Xu , Mingming Gong , Shaoan Xie , Wei Wei , Matthias Grundmann , Kayhan Batmanghelich , Tingbo Hou

The radio map, serving as a visual representation of electromagnetic spatial characteristics, plays a pivotal role in assessment of wireless communication networks and radio monitoring coverage. Addressing the issue of low accuracy existing…

Machine Learning · Computer Science 2024-01-18 Chen Qi , Yang Jingjing , Huang Ming , Zhou Qiang

Channel knowledge map (CKM) is a promising technology to enable environment-aware wireless communications and sensing with greatly enhanced performance, by offering location-specific channel prior information for future wireless networks.…

Signal Processing · Electrical Eng. & Systems 2025-04-25 Shen Fu , Yong Zeng , Zijian Wu , Di Wu , Shi Jin , Cheng-Xiang Wang , Xiqi Gao

Machine learning (ML) has greatly advanced data-driven channel modeling and resource optimization in wireless communication systems. However, most existing ML-based methods rely on large, accurately labeled datasets with location…

Signal Processing · Electrical Eng. & Systems 2025-11-24 Wangqian Chen , Junting Chen , Shuguang Cui

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

This paper presents the development of a generative adversarial network (GAN) for synthesizing dental panoramic radiographs. Although exploratory in nature, the study aims to address the scarcity of data in dental research and education. We…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Soren Pedersen , Sanyam Jain , Mikkel Chavez , Viktor Ladehoff , Bruna Neves de Freitas , Ruben Pauwels

Network optimization is a fundamental challenge in the Internet of Things (IoT) network, often characterized by complex features that make it difficult to solve these problems. Recently, generative diffusion models (GDMs) have emerged as a…

Machine Learning · Computer Science 2025-02-20 Ruihuai Liang , Bo Yang , Pengyu Chen , Xianjin Li , Yifan Xue , Zhiwen Yu , Xuelin Cao , Yan Zhang , Mérouane Debbah , H. Vincent Poor , Chau Yuen

Modeling radio propagation is essential for wireless network design and performance optimization. Traditional methods rely on physics models of radio propagation, which can be inaccurate or inflexible. In this work, we propose using graph…

Machine Learning · Computer Science 2025-01-14 Adrien Bufort , Laurent Lebocq , Stefan Cathabard

There are vast number of configurable parameters in a Radio Access Telecom Network. A significant amount of these parameters is configured by Radio Node or cell based on their deployment setting. Traditional methods rely on domain knowledge…

Machine Learning · Computer Science 2024-06-10 Shirwan Piroti , Ashima Chawla , Tahar Zanouda