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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…

Information Theory · Computer Science 2021-03-01 Qianqian Zhang , Aidin Ferdowsi , Walid Saad

Ray tracing has become a standard for accurate radio propagation modeling, but suffers from exponential computational complexity, as the number of candidate paths scales with the number of objects raised to the interaction order. This…

Spectral images captured by satellites and radio-telescopes are analyzed to obtain information about geological compositions distributions, distant asters as well as undersea terrain. Spectral images usually contain tens to hundreds of…

Computer Vision and Pattern Recognition · Computer Science 2018-02-08 Siyu Chen , Danping Liao , Yuntao Qian

This paper considers learning robot locomotion and manipulation tasks from expert demonstrations. Generative adversarial imitation learning (GAIL) trains a discriminator that distinguishes expert from agent transitions, and in turn use a…

Machine Learning · Computer Science 2022-06-24 Tianyu Wang , Nikhil Karnwal , Nikolay Atanasov

Interpreting RNA-sequencing data requires identifying coordinated gene expression patterns that correspond to biological pathways. Standard factor models provide useful dimension reduction but typically ignore existing pathway knowledge or…

Methodology · Statistics 2026-03-25 Lorenzo Mauri , Federica Stolf , Amy H. Herring , Cameron Miller , David B. Dunson

Generative adversarial imitation learning (GAIL) is a popular inverse reinforcement learning approach for jointly optimizing policy and reward from expert trajectories. A primary question about GAIL is whether applying a certain policy…

Machine Learning · Computer Science 2020-06-26 Ziwei Guan , Tengyu Xu , Yingbin Liang

Radio maps are essential for efficient radio resource management in future 6G and low-altitude networks. While deep learning (DL) techniques have emerged as an efficient alternative to conventional ray-tracing for radio map estimation…

Machine Learning · Computer Science 2026-02-24 Junshen Chen , Angzi Xu , Zezhong Zhang , Shiyao Zhang , Junting Chen , Shuguang Cui

I present IGAN (Inferent Generative Adversarial Networks), a neural architecture that learns both a generative and an inference model on a complex high dimensional data distribution, i.e. a bidirectional mapping between data samples and a…

Machine Learning · Computer Science 2024-09-04 Luc Vignaud

Deep learning based single image super resolution (SISR) algorithms has revolutionized the overall diagnosis framework by continually improving the architectural components and training strategies associated with convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2022-03-15 Fayaz Ali Dharejo , Muhammad Zawish , Farah Deeba Yuanchun Zhou , Kapal Dev , Sunder Ali Khowaja , Nawab Muhammad Faseeh Qureshi

Generating and manipulating human facial images using high-level attributal controls are important and interesting problems. The models proposed in previous work can solve one of these two problems (generation or manipulation), but not both…

Computer Vision and Pattern Recognition · Computer Science 2017-04-10 Weidong Yin , Yanwei Fu , Leonid Sigal , Xiangyang Xue

In this paper, we propose a method to add constraints that are un-formulatable in generative adversarial networks (GAN)-based arbitrary size RAW Bayer image generation. It is shown theoretically that by using the transformed data in GAN…

Image and Video Processing · Electrical Eng. & Systems 2021-12-16 Wei Zhou , Xiangyu Zhang , Hongyu Wang , Shenghua Gao , Xin Lou

Reconfigurable intelligent surfaces (RIS) are passive controllable arrays of small reflectors that direct electromagnetic energy towards or away from the target nodes, thereby allowing better management of signals and interference in a…

Information Theory · Computer Science 2023-01-13 Bharath Shamasundar , Negar Daryanavardan , Aria Nosratinia

Vision Transformer (ViT) has been widely used in computer vision tasks with excellent results by providing representations for a whole image or image patches. However, ViT lacks detailed localized image representations at arbitrary…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Zeping Liu , Ni Lao , Zhangyu Wang , Junfeng Jiao , Gengchen Mai

Recovering a source signal from indirect measurements often requires estimating latent parameters, such as wireless channel states or MRI coil sensitivities, that cannot be directly observed. Here, we introduce Physics-Embedded Inverse…

Signal Processing · Electrical Eng. & Systems 2026-04-20 Le Cheng , Xiaoran Liu , Lingjin Kong , Haitao Zhao , Jun Xiong , Fanglin Gu , Xiaoying Zhang , Baoquan Ren , Jibo Wei , Hao Yin

The emerging immersive and autonomous services have posed stringent requirements on both communications and localization. By considering the great potential of reconfigurable intelligent surface (RIS), this paper focuses on the joint…

Signal Processing · Electrical Eng. & Systems 2024-03-05 Yunfei Li , Yiting Luo , Xianda Wu , Zheng Shi , Shaodan Ma , Guanghua Yang

Despite the advantages of multi-agent reinforcement learning (MARL) for wireless use case such as medium access control (MAC), their real-world deployment in Internet of Things (IoT) is hindered by their sample inefficiency. To alleviate…

Information Theory · Computer Science 2025-11-14 Aswin Arun , Christo Kurisummoottil Thomas , Rimalpudi Sarvendranath , Walid Saad

Machine learning for remote sensing imaging relies on up-to-date and accurate labels for model training and testing. Labelling remote sensing imagery is time and cost intensive, requiring expert analysis. Previous labelling tools rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-01-28 Tulsi Patel , Mark W. Jones , Thomas Redfern

Generative Adversarial Imitation Learning (GAIL) can learn policies without explicitly defining the reward function from demonstrations. GAIL has the potential to learn policies with high-dimensional observations as input, e.g., images. By…

Robotics · Computer Science 2022-09-22 Yoshihisa Tsurumine , Takamitsu Matsubara

Imitation learning aims to learn a policy from observing expert demonstrations without access to reward signals from environments. Generative adversarial imitation learning (GAIL) formulates imitation learning as adversarial learning,…

Machine Learning · Computer Science 2024-11-27 Chun-Mao Lai , Hsiang-Chun Wang , Ping-Chun Hsieh , Yu-Chiang Frank Wang , Min-Hung Chen , Shao-Hua Sun

The near-infrared (NIR) spectral range (from 780 to 2500 nm) of the multispectral remote sensing imagery provides vital information for the landcover classification, especially concerning the vegetation assessment. Despite the usefulness of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Svetlana Illarionova , Dmitrii Shadrin , Alexey Trekin , Vladimir Ignatiev , Ivan Oseledets