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Related papers: MambaNet: Mamba-assisted Channel Estimation Neural…

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This paper investigates joint channel estimation and positioning in near-field sparse extra-large multiple-input multiple-output (XL-MIMO) orthogonal frequency division multiplexing (OFDM) systems. To achieve cooperative gains between…

Signal Processing · Electrical Eng. & Systems 2025-07-29 Zhongnian Li , Chao Zheng , Jian Xiao , Ji Wang , Gongpu Wang , Ming Zeng , Octavia A. Dobre

U-shaped architectures have long dominated the field of medical image segmentation, while Transformers are widely employed for modeling long-range dependencies. The former typically handles scale variations implicitly by aggregating…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yanhua Zhang , Ke Zhang , Jingyu Wang , Gabriella Balestra , Samanta Rosati , Yulin Wu , Wuwei Wang , Valentina Giannini

In the field of self-supervised depth estimation, Convolutional Neural Networks (CNNs) and Transformers have traditionally been dominant. However, both architectures struggle with efficiently handling long-range dependencies due to their…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Ionuţ Grigore , Călin-Adrian Popa

In the past decade, Convolutional Neural Networks (CNNs) and Transformers have achieved wide applicaiton in semantic segmentation tasks. Although CNNs with Transformer models greatly improve performance, the global context modeling remains…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Feixiang Du , Shengkun Wu

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

The use of machine learning methods to tackle challenging physical layer signal processing tasks has attracted significant attention. In this work, we focus on the use of neural networks (NNs) to perform pilot-assisted channel estimation in…

Signal Processing · Electrical Eng. & Systems 2020-02-26 Michel van Lier , Alexios Balatsoukas-Stimming , Henk Corporaaal , Zoran Zivkovic

Transformers have widely adopted attention networks for sequence mixing and MLPs for channel mixing, playing a pivotal role in achieving breakthroughs across domains. However, recent literature highlights issues with attention networks,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Badri N. Patro , Vijay S. Agneeswaran

Mamba has recently garnered attention as an effective backbone for vision tasks. However, its underlying mechanism in visual domains remains poorly understood. In this work, we systematically investigate Mamba's representational properties…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Timing Yang , Guoyizhe Wei , Alan Yuille , Feng Wang

Recent advancements in medical imaging have resulted in more complex and diverse images, with challenges such as high anatomical variability, blurred tissue boundaries, low organ contrast, and noise. Traditional segmentation methods…

Image and Video Processing · Electrical Eng. & Systems 2024-11-01 Yufeng Jiang , Zongxi Li , Xiangyan Chen , Haoran Xie , Jing Cai

Convolutional Neural Networks (CNNs) and Transformer-based self-attention models have become the standard for medical image segmentation. This paper demonstrates that convolution and self-attention, while widely used, are not the only…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Abbas Khan , Muhammad Asad , Martin Benning , Caroline Roney , Gregory Slabaugh

Recent advancements in multivariate time series forecasting have been propelled by Linear-based, Transformer-based, and Convolution-based models, with Transformer-based architectures gaining prominence for their efficacy in temporal and…

Machine Learning · Computer Science 2024-09-27 Chaolv Zeng , Zhanyu Liu , Guanjie Zheng , Linghe Kong

Recent efforts on image restoration have focused on developing "all-in-one" models that can handle different degradation types and levels within single model. However, most of mainstream Transformer-based ones confronted with dilemma…

Computer Vision and Pattern Recognition · Computer Science 2024-12-23 Aiwen Jiang , Hourong Chen , Zhiwen Chen , Jihua Ye , Mingwen Wang

Mamba is a newly proposed architecture which behaves like a recurrent neural network (RNN) with attention-like capabilities. These properties are promising for speaker diarization, as attention-based models have unsuitable memory…

Sound · Computer Science 2024-10-11 Alexis Plaquet , Naohiro Tawara , Marc Delcroix , Shota Horiguchi , Atsushi Ando , Shoko Araki

Channel estimation is one of the key issues in practical massive multiple-input multiple-output (MIMO) systems. Compared with conventional estimation algorithms, deep learning (DL) based ones have exhibited great potential in terms of…

Information Theory · Computer Science 2021-08-24 Jiabao Gao , Mu Hu , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang

Brain tumors exhibit high heterogeneity in morphology and multimodal contrast, making manual slice-by-slice de lineation time-consuming and experience-dependent, thus necessitating efficient and stable automated segmentation methods. To…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Hanjun Tao , Hua Wang , Fan Zhang

Widely used traditional pipelines for subcortical brain segmentation are often inefficient and slow, particularly when processing large datasets. Furthermore, deep learning models face challenges due to the high resolution of MRI images and…

Image and Video Processing · Electrical Eng. & Systems 2024-10-15 Aaron Cao , Zongyu Li , Jordan Jomsky , Andrew F. Laine , Jia Guo

Research on machine learning for channel estimation, especially neural network solutions for wireless communications, is attracting significant current interest. This is because conventional methods cannot meet the present demands of the…

Signal Processing · Electrical Eng. & Systems 2022-01-26 Dianxin Luan , John Thompson

Existing deraining Transformers employ self-attention mechanisms with fixed-range windows or along channel dimensions, limiting the exploitation of non-local receptive fields. In response to this issue, we introduce a novel dual-branch…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Shangquan Sun , Wenqi Ren , Juxiang Zhou , Jianhou Gan , Rui Wang , Xiaochun Cao

Recently Mamba-based methods have shown promise in abdominal organ segmentation. However, existing approaches neglect cross-channel anatomical semantic collaboration and lack explicit boundary-aware feature fusion mechanisms. To address…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Yuyang Zheng , Mingda Zhang , Jianglong Qin , Qi Mo , Jingdan Pan , Haozhe Hu , Hongyi Huang

Channel prediction is a key technology for improving the performance of various functions such as precoding, adaptive modulation, and resource allocation in MIMO-OFDM systems. Especially in high-mobility scenarios with fast time-varying…

Signal Processing · Electrical Eng. & Systems 2025-12-19 Sheng Luo , Jiashu Xie , Yueling Che , Junmei Yao , Jian Tian , Daquan Feng , Kaishun Wu
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