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Weakly supervised semantic segmentation offers a label-efficient solution to train segmentation models for volumetric medical imaging. However, existing approaches often rely on 2D encoders that neglect the inherent volumetric nature of the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Yiheng Lyu , Lian Xu , Mohammed Bennamoun , Farid Boussaid , Coen Arrow , Girish Dwivedi

Convolutional neural networks have primarily led 3D medical image segmentation but may be limited by small receptive fields. Transformer models excel in capturing global relationships through self-attention but are challenged by high…

Computer Vision and Pattern Recognition · Computer Science 2024-09-27 Ao Chang , Jiajun Zeng , Ruobing Huang , Dong Ni

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

Hyperspectral Imaging (HSI) has proven to be a powerful tool for capturing detailed spectral and spatial information across diverse applications. Despite the advancements in Deep Learning (DL) and Transformer architectures for HSI…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Muhammad Ahmad , Muhammad Usama , Manuel Mazzara , Salvatore Distefano

Space-time modulated metasurfaces (STMMs) are a newly investigated technology for next 6G generation wireless communication networks. An STMM augments the spatial phase function with a time-varying one across the elements, allowing for the…

Signal Processing · Electrical Eng. & Systems 2023-12-08 Marouan Mizmizi , Dario Tagliaferri , Umberto Spagnolini

Accurate segmentation of 3D vascular structures is essential for various medical imaging applications. The dispersed nature of vascular structures leads to inherent spatial uncertainty and necessitates location awareness, yet most current…

Image and Video Processing · Electrical Eng. & Systems 2026-04-30 Gen Shi , Hui Zhang , Jie Tian

Simulation-based inference (SBI) enables cosmological parameter estimation when closed-form likelihoods or models are unavailable. However, SBI relies on machine learning for neural compression and density estimation. This requires large…

Cosmology and Nongalactic Astrophysics · Physics 2025-09-29 Alex A. Saoulis , Davide Piras , Niall Jeffrey , Alessio Spurio Mancini , Ana M. G. Ferreira , Benjamin Joachimi

Deep unfolding methods have made impressive progress in restoring 3D hyperspectral images (HSIs) from 2D measurements through convolution neural networks or Transformers in spectral compressive imaging. However, they cannot efficiently…

Image and Video Processing · Electrical Eng. & Systems 2024-06-04 Jiahua Dong , Hui Yin , Hongliu Li , Wenbo Li , Yulun Zhang , Salman Khan , Fahad Shahbaz Khan

Acquiring accurate channel state information (CSI) is critical for reliable and efficient wireless communication, but challenges such as high pilot overhead and channel aging hinder timely and accurate CSI acquisition. CSI prediction, which…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Mehdi Sattari , Javad Aliakbari , Alexandre Graell i Amat , Tommy Svensson

Millimeter Waves (mmWave) systems have the potential of enabling multi-gigabit-per-second communications in future Intelligent Transportation Systems (ITSs). Unfortunately, because of the increased vehicular mobility, they require frequent…

Networking and Internet Architecture · Computer Science 2022-09-05 Ioannis Mavromatis , Andrea Tassi , Robert J. Piechocki , Andrew Nix

In broadband millimeter-wave (mm-Wave) systems, it is desirable to design hybrid beamformers with common analog beamformer for the entire band while employing different baseband beamformers in different frequency sub-bands. Furthermore, the…

Signal Processing · Electrical Eng. & Systems 2019-11-01 Ahmet M. Elbir , Kumar Vijay Mishra

Integrating domain knowledge into deep learning has emerged as a promising direction for improving model interpretability, generalization, and data efficiency. In this work, we present a novel knowledge-guided ViT-based Masked Autoencoder…

Machine Learning · Computer Science 2026-02-11 Abdul Matin , Rupasree Dey , Tanjim Bin Faruk , Shrideep Pallickara , Sangmi Lee Pallickara

Large AI models have been widely adopted in wireless communications for channel modeling, beamforming, and resource optimization. However, most existing efforts remain limited to single-modality inputs and channel-specific objec- tives,…

Machine Learning · Computer Science 2025-11-18 Zhizhen Li , Xuanhao Luo , Xueren Ge , Longyu Zhou , Xingqin Lin , Yuchen Liu

Recently, state space models (SSM), particularly Mamba, have attracted significant attention from scholars due to their ability to effectively balance computational efficiency and performance. However, most existing visual Mamba methods…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Leiye Liu , Miao Zhang , Jihao Yin , Tingwei Liu , Wei Ji , Yongri Piao , Huchuan Lu

Achieving both high accuracy and topological continuity in road segmentation from satellite imagery is a critical goal for applications ranging from urban planning to disaster response. State-of-the-art methods often rely on Vision…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Jules Decaestecker , Nicolas Vigne

This study presents a parameter-light, low-complexity artificial intelligence/machine learning (AI/ML) model that enhances channel state information (CSI) feedback in wireless systems by jointly exploiting temporal, spatial, and frequency…

Signal Processing · Electrical Eng. & Systems 2025-05-08 Aakash Saini , Yunchou Xing , Jee Hyun Kim , Amir Ahmadian Tehrani , Wolfgang Gerstacker

With the ever-increasing demand for high-speed wireless data transmission, beamforming techniques have been proven to be crucial in improving the data rate and the signal-to-noise ratio (SNR) at the receiver. However, they require feedback…

Signal Processing · Electrical Eng. & Systems 2023-12-08 Mrugen Deshmukh , Zinan Lin , Hanqing Lou , Mahmoud Kamel , Rui Yang , Ismail Guvenc

SiFo, a wireless foundation model-based framework, is proposed for low-overhead site-specific channel state information (CSI) feedback. In 3GPP NR, Type-II feedback provides an expressive codebook-based CSI representation, but it requires…

Signal Processing · Electrical Eng. & Systems 2026-05-18 Cheng-Jie Zhao , Zhaolin Wang , Zongyao Zhao , Yuanwei Liu

Wireless jamming identification, which detects and classifies electromagnetic jamming from non-cooperative devices, is crucial for emerging low-altitude wireless networks consisting of many drone terminals that are highly susceptible to…

Signal Processing · Electrical Eng. & Systems 2025-08-19 Pengyu Wang , Zhaocheng Wang , Tianqi Mao , Weijie Yuan , Haijun Zhang , George K. Karagiannidis

The multi-user Holographic Multiple-Input and Multiple-Output Surface (MU-HMIMOS) paradigm, which is capable of realizing large continuous apertures with minimal power consumption and of shaping radio wave propagation at will, has been…

Information Theory · Computer Science 2022-04-12 Li Wei , Chongwen Huang , George C. Alexandropoulos , Wei E. I. Sha , Zhaoyang Zhang , Merouane Debbah , Chau Yuen
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