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We present a data-driven framework for ground-motion synthesis that generates three-component acceleration time histories conditioned on moment magnitude, rupture distance , time-average shear-wave velocity at the top $30m$ ($V_{S30}$), and…

Unsupervised learning of generative models has seen tremendous progress over recent years, in particular due to generative adversarial networks (GANs), variational autoencoders, and flow-based models. GANs have dramatically improved sample…

计算机视觉与模式识别 · 计算机科学 2020-01-06 Thomas Lucas , Konstantin Shmelkov , Karteek Alahari , Cordelia Schmid , Jakob Verbeek

In this paper, a novel framework is proposed to enable air-to-ground channel modeling over millimeter wave (mmWave) frequencies in an unmanned aerial vehicle (UAV) wireless network. First, an effective channel estimation approach is…

信息论 · 计算机科学 2021-03-01 Qianqian Zhang , Aidin Ferdowsi , Walid Saad

In medical imaging, image synthesis is the estimation process of one image (sequence, modality) from another image (sequence, modality). Since images with different modalities provide diverse biomarkers and capture various features,…

图像与视频处理 · 电气工程与系统科学 2023-05-26 Firoozeh Shomal Zadeh , Sevda Molani , Maysam Orouskhani , Marziyeh Rezaei , Mehrzad Shafiei , Hossein Abbasi

We propose and demonstrate a generative deep learning approach for the shape recognition of an arbitrary object from its acoustic scattering properties. The strategy exploits deep neural networks to learn the mapping between the latent…

声音 · 计算机科学 2022-07-13 W. W. Ahmed , M. Farhat , P. -Y. Chen , X. Zhang , Y. Wu

Massive multiple-input multiple-output (MIMO) has been a critical enabling technology in 5th generation (5G) wireless networks. With the advent of 6G, a natural evolution is to employ even more antennas, potentially an order of magnitude…

信号处理 · 电气工程与系统科学 2024-08-13 Wentao Yu , Yifan Ma , Hengtao He , Shenghui Song , Jun Zhang , Khaled B. Letaief

The requirement of high data-rate in the fifth generation wireless systems (5G) calls for the ultimate utilization of the wide bandwidth in the mmWave frequency band. Researchers seeking to compensate for mmWave's high path loss and to…

信号处理 · 电气工程与系统科学 2018-01-30 Yae Jee Cho , Gee-Yong Suk , Byoungnam Kim , Dong Ku Kim , Chan-Byoung Chae

In wireless networks, applying deep learning models to solve matching problems between different entities has become a mainstream and effective approach. However, the complex network topology in 6G multiple access presents significant…

网络与互联网体系结构 · 计算机科学 2024-11-08 Xudong Wang , Hongyang Du , Dusit Niyato , Lijie Zhou , Lei Feng , Zhixiang Yang , Fanqin Zhou , Wenjing Li

Millimeter wave (mmWave) communication, utilizing beamforming techniques to address the inherent path loss limitation, is considered as one of the key technologies to support ever increasing high throughput and low latency demands of…

网络与互联网体系结构 · 计算机科学 2026-02-17 Muhammad Baqer Mollah , Honggang Wang , Mohammad Ataul Karim , Hua Fang

The scarcity of high-quality residential load data can pose obstacles for decarbonizing the residential sector as well as effective grid planning and operation. The above challenges have motivated research into generating synthetic load…

机器学习 · 计算机科学 2025-04-28 Xinyu Liang , Hao Wang

In conventional colocated multiple-input multiple-output (MIMO) radars, practical waveform constraints including peak-to-average power ratio, constant or bounded modulus lead to a significant performance reduction of transmit beampattern,…

信号处理 · 电气工程与系统科学 2024-10-08 Shengyao Chen , Minghui He , Longyao Ran , Hongtao Li , Feng Xi , Sirui Tian , Zhong Liu

The stringent performance requirements of future wireless networks, such as ultra-high data rates, extremely high reliability and low latency, are spurring worldwide studies on defining the next-generation multiple-input multiple-output…

信号处理 · 电气工程与系统科学 2023-05-16 Qiyu Hu , Yunlong Cai , Guangyi Zhang , Guanding Yu , Geoffrey Ye Li

We present a new weakly supervised learning-based method for generating novel category-specific 3D shapes from unoccluded image collections. Our method is weakly supervised and only requires silhouette annotations from unoccluded,…

计算机视觉与模式识别 · 计算机科学 2019-06-11 Xiao Li , Yue Dong , Pieter Peers , Xin Tong

Future wireless systems are trending towards higher carrier frequencies that offer larger communication bandwidth but necessitate the use of large antenna arrays. Existing signal processing techniques for channel estimation do not scale…

信号处理 · 电气工程与系统科学 2022-05-26 Akash Doshi , Manan Gupta , Jeffrey G. Andrews

This paper introduces a machine learning-based approach to synthetically creating realistic phasor measurement unit (PMU) data streams of multiple transient types. In contrast to the existing literature of transient simulation-based data…

信号处理 · 电气工程与系统科学 2020-04-08 Xiangtian Zheng , Bin Wang , Dileep Kalathil , Le Xie

Use a parametric representation of audio to train a generative model in the interest of obtaining more flexible control over the generated sound.

音频与语音处理 · 电气工程与系统科学 2019-11-20 Krishna Subramani , Alexandre D'Hooge , Preeti Rao

In this paper, we propose a new adversarial training framework to address high-dimensional instantaneous channel estimation in wireless communications. Specifically, we train a generative adversarial network to predict a channel realization…

信号处理 · 电气工程与系统科学 2025-04-16 Nghia Thinh Nguyen , Tri Nhu Do

Future wireless communication systems are expected to explore spectral bands typically used by radar systems, in order to overcome spectrum congestion of traditional communication bands. Since in many applications radar and communication…

信号处理 · 电气工程与系统科学 2020-08-26 Xiang Liu , Tianyao Huang , Nir Shlezinger , Yimin Liu , Jie Zhou , Yonina C. Eldar

Stochastic generators are essential to produce synthetic realizations that preserve target statistical properties. We propose GenFormer, a stochastic generator for spatio-temporal multivariate stochastic processes. It is constructed using a…

机器学习 · 计算机科学 2024-02-06 Haoran Zhao , Wayne Isaac Tan Uy

Deep generative models are increasingly used to gain insights in the geospatial data domain, e.g., for climate data. However, most existing approaches work with temporal snapshots or assume 1D time-series; few are able to capture…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Konstantin Klemmer , Sudipan Saha , Matthias Kahl , Tianlin Xu , Xiao Xiang Zhu