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Multi-task dense scene understanding, which learns a model for multiple dense prediction tasks, has a wide range of application scenarios. Modeling long-range dependency and enhancing cross-task interactions are crucial to multi-task dense…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Baijiong Lin , Weisen Jiang , Pengguang Chen , Yu Zhang , Shu Liu , Ying-Cong Chen

In this work, two machine learning (ML)-based structures for joint detection-channel estimation in OFDM systems are proposed and extensively characterized. Both ML architectures, namely Deep Neural Network (DNN) and Extreme Learning Machine…

Information Theory · Computer Science 2023-04-25 Wilson de Souza Junior , Taufik Abrao

Although Mamba models significantly improve hyperspectral image (HSI) classification, one critical challenge is the difficulty in building the sequence of Mamba tokens efficiently. This paper presents a Sparse Deformable Mamba (SDMamba)…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Lincoln Linlin Xu , Yimin Zhu , Zack Dewis , Zhengsen Xu , Motasem Alkayid , Mabel Heffring , Saeid Taleghanidoozdoozan

General networks for 3D medical image segmentation have recently undergone extensive exploration. Behind the exceptional performance of these networks lies a significant demand for a large volume of pixel-level annotated data, which is…

Image and Video Processing · Electrical Eng. & Systems 2024-09-16 Hualiang Wang , Yiqun Lin , Xinpeng Ding , Xiaomeng Li

Accurate 3D medical image segmentation demands architectures capable of reconciling global context modeling with spatial topology preservation. While State Space Models (SSMs) like Mamba show potential for sequence modeling, existing…

Image and Video Processing · Electrical Eng. & Systems 2025-06-06 Hangyu Ji

In this paper, channel estimation problem for extremely large-scale multi-input multi-output (XL-MIMO) systems is investigated with the considerations of the spherical wavefront effect and the spatially non-stationary (SnS) property. Due to…

Information Theory · Computer Science 2024-12-05 Anzheng Tang , Jun-Bo Wang , Yijin Pan , Wence Zhang , Yijian Chen , Hongkang Yu , Rodrigo C. de Lamare

We consider channel estimation within pulse-shaping multicarrier multiple-input multiple-output (MIMO) systems transmitting over doubly selective MIMO channels. This setup includes MIMO orthogonal frequency-division multiplexing (MIMO-OFDM)…

Information Theory · Computer Science 2016-08-03 Daniel Eiwen , Georg Tauboeck , Franz Hlawatsch , Hans Georg Feichtinger

Topological deep learning has emerged as a powerful paradigm for modeling higher-order relational structures beyond pairwise interactions that standard graph neural networks fail to capture. While combinatorial complexes (CCs) offer a…

Machine Learning · Computer Science 2026-03-16 Jiawen Chen , Qi Shao , Mingtong Zhou , Duxin Chen , Wenwu Yu

Accurate detection of cardiac abnormalities from electrocardiogram recordings is regarded as essential for clinical diagnostics and decision support. Traditional deep learning models such as residual networks and transformer architectures…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Huawei Jiang , Husna Mutahira , Gan Huang , Mannan Saeed Muhammad

High-performance semantic segmentation has achieved significant progress in recent years, often driven by increasingly large backbones and higher computational budgets. While effective, such approaches introduce substantial computational…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Sheng-Wei Chan , Hsin-Jui Pan , Chun-Po Shen , Chia-Min Lin , Yung-Che Wang , Jen-Shiun Chiang

Compressed sensing has been employed to reduce the pilot overhead for channel estimation in wireless communication systems. Particularly, structured turbo compressed sensing (STCS) provides a generic framework for structured sparse signal…

Information Theory · Computer Science 2018-11-09 Xiaoyan Kuai , Lei Chen , Xiaojun Yuan , An Liu

The extremely large-scale massive multiple-input multiple-output (XL-MIMO) has the potential to achieve boosted spectral efficiency and refined spatial resolution for future wireless networks. However, channel estimation for XL-MIMO is…

Information Theory · Computer Science 2023-12-11 Chun Huang , Jindan Xu , Wei Xu , Xiaohu You , Chau Yuen , Yijian Chen

As remote sensing imaging technology continues to advance and evolve, processing high-resolution and diversified satellite imagery to improve segmentation accuracy and enhance interpretation efficiency emerg as a pivotal area of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Yice Cao , Chenchen Liu , Zhenhua Wu , Wenxin Yao , Liu Xiong , Jie Chen , Zhixiang Huang

Extremely large-scale multiple-input-multiple-output (XL-MIMO) with hybrid precoding is a promising technique to meet the high data rate requirements for future 6G communications. To realize efficient hybrid precoding, it is essential to…

Information Theory · Computer Science 2022-01-20 Mingyao Cui , Linglong Dai

Recently, polarimetric synthetic aperture radar (PolSAR) image classification has been greatly promoted by deep neural networks. However,current deep learning-based PolSAR classification methods encounter difficulties due to its dependence…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Zuzheng Kuang , Haixia Bi , Chen Xu , Jian Sun

Accurate building segmentation and height estimation from single-view RGB satellite imagery are fundamental for urban analytics, yet remain ill-posed due to structural variability and the high computational cost of global context modeling.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Sinan U. Ulu , A. Enes Doruk , I. Can Yagmur , Bahadir K. Gunturk , Oguz Hanoglu , Hasan F. Ates

Scribble annotations significantly reduce the cost and labor required for dense labeling in large medical datasets with complex anatomical structures. However, current scribble-supervised learning methods are limited in their ability to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Luyi Qiu , Tristan Till , Xiaobao Guo , Adams Wai-Kin Kong

Mamba-based models have drawn much attention in offline RL. However, their selective mechanism often detrimental when key steps in RL sequences are omitted. To address these issues, we propose a simple yet effective structure, called…

Machine Learning · Computer Science 2026-02-27 Wall Kim , Chaeyoung Song , Hanul Kim

Convolutional neural networks (CNNs) and transformers are widely employed in constructing UNet architectures for medical image segmentation tasks. However, CNNs struggle to model long-range dependencies, while transformers suffer from…

Image and Video Processing · Electrical Eng. & Systems 2025-03-26 Shaolei Zhang , Jinyan Liu , Tianyi Qian , Xuesong Li

Accurate risk stratification of precancerous polyps during routine colonoscopy screening is a key strategy to reduce the incidence of colorectal cancer (CRC). However, assessment of low-grade dysplasia remains limited by subjective…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Aqsa Sultana , Rayan Afsar , Ahmed Rahu , Surendra P. Singh , Brian Shula , Brandon Combs , Derrick Forchetti , Vijayan K. Asari
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