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相关论文: Model-Driven Based Deep Unfolding Equalizer for Un…

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Deep Unfolding Network-based methods have emerged as effective solutions for multi-source image fusion by combining model-driven iterative optimization with data-driven deep learning. However, most existing deep unfolding image fusion…

图像与视频处理 · 电气工程与系统科学 2026-05-04 Ge Luo , Jun-Jie Huang , Qi Yu , Tianrui Liu , Ke Liang , Yuming Xiang , Wentao Zhao , Xinwang Liu , Meng Wang

This paper proposes a novel method to establish the wellposedness and convergence theory of the uniaxial-perfectly-matched-layer (UPML) method in solving a two-dimensional acoustic scattering problem due to a compactly supported source,…

数值分析 · 数学 2019-10-31 Wangtao Lu , Jun Lai , Haijun Wu

In this paper, we study the equalization design for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems with insufficient cyclic prefix (CP). In particular, the signal detection performance is…

信息论 · 计算机科学 2020-07-24 Yan Sun , Chao Wang , Huan Cai , Chunming Zhao , Yiqun Wu , Yan Chen

Orthogonal Time Frequency Space (OTFS) modulation is a recently proposed scheme for time-varying narrowband channels in terrestrial radio-frequency communications. Underwater acoustic (UWA) and ultra-wideband (UWB) communication systems, on…

信号处理 · 电气工程与系统科学 2022-05-10 Arunkumar K. P. , Chandra R. Murthy

Marine seismic interference noise occurs when energy from nearby marine seismic source vessels is recorded during a seismic survey. Such noise tends to be well preserved over large distances and cause coherent artifacts in the recorded…

Proper segmentation of organs-at-risk is important for radiation therapy, surgical planning, and diagnostic decision-making in medical image analysis. While deep learning-based segmentation architectures have made significant progress, they…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Riad Hassan , M. Rubaiyat Hossain Mondal , Sheikh Iqbal Ahamed , Fahad Mostafa , Md Mostafijur Rahman

Over the past few decades, underwater image enhancement has attracted increasing amount of research effort due to its significance in underwater robotics and ocean engineering. Research has evolved from implementing physics-based solutions…

计算机视觉与模式识别 · 计算机科学 2021-01-07 Ankita Naik , Apurva Swarnakar , Kartik Mittal

In recent years, deep learning has surpassed traditional approaches to the problem of singing voice separation. The Wave-U-Net is a recent deep network architecture that operates directly on the time domain. The standard Wave-U-Net is…

机器学习 · 计算机科学 2019-10-23 Joaquin Perez-Lapillo , Oleksandr Galkin , Tillman Weyde

We study the problem of optimal power allocation in a single-hop ad hoc wireless network. In solving this problem, we propose a hybrid neural architecture inspired by the algorithmic unfolding of the iterative weighted minimum mean squared…

信号处理 · 电气工程与系统科学 2021-02-02 Arindam Chowdhury , Gunjan Verma , Chirag Rao , Ananthram Swami , Santiago Segarra

In this work, we propose to leverage a deep-learning (DL) based reconstruction framework for high quality Swept-Source Optical Coherence Tomography (SS-OCT) images, by incorporating wavelength ({\lambda}) space interferometric fringes.…

图像与视频处理 · 电气工程与系统科学 2024-10-08 Maryam Viqar , Erdem Sahin , Violeta Madjarova , Elena Stoykova , Keehoon Hong

In this paper, we model the multi-layer vertical underwater link as a cascaded channel and unify the performance analysis for the underwater optical communication (UWOC) system using generalized Gamma (GG), exponential GG (EGG),…

信息论 · 计算机科学 2022-03-30 Ziyaur Rahman , Neel Vipulbhai Tailor , S. M. Zafaruddin , V. K. Chaubey

Key challenges in developing underwater acoustic localization methods are related to the combined effects of high reverberation in intricate environments. To address such challenges, recent studies have shown that with a properly designed…

信号处理 · 电气工程与系统科学 2023-05-30 Amir Weiss , Andrew C. Singer , Gregory W. Wornell

We consider channel estimation specific to turbo equalization for multiple-input multiple-output (MIMO) wireless communication. We develop a soft-decision-driven sequential algorithm geared to the pipelined turbo equalizer architecture…

信息论 · 计算机科学 2015-03-19 Daejung Yoon , Jaekyun Moon

This article presents our initial results in deep learning for channel estimation and signal detection in orthogonal frequency-division multiplexing (OFDM). OFDM has been widely adopted in wireless broadband communications to combat…

信息论 · 计算机科学 2017-08-30 Hao Ye , Geoffrey Ye Li , Biing-Hwang Fred Juang

Massive multiple-input multiple-output (MIMO) communication systems have a huge potential both in terms of data rate and energy efficiency, although channel estimation becomes challenging for a large number of antennas. Using a physical…

信号处理 · 电气工程与系统科学 2021-12-10 Taha Yassine , Luc Le Magoarou

In this paper, we present a downlink pilot design scheme for Deep Learning (DL) based channel estimation (ChannelNet) in orthogonal frequency-division multiplexing (OFDM) systems. Specifically, in the proposed scheme, a feature selection…

信号处理 · 电气工程与系统科学 2020-03-23 Mehran Soltani , Vahid Pourahmadi , Hamid Sheikhzadeh

In dynamically varying optical wireless communication (OWC) links, conventional quadrature amplitude modulation (QAM) in optical orthogonal frequency-division multiplexing (OFDM) requires frequent channel estimation and equalization,…

光学 · 物理学 2026-03-19 Tian Cao , Ping Wang , Tianfeng Wu , Kaile Wang , Jian Song

Recently, deep learning (DL) has been emerging as a promising approach for channel estimation and signal detection in wireless communications. The majority of the existing studies investigating the use of DL techniques in this domain focus…

网络与互联网体系结构 · 计算机科学 2024-04-04 Khalid Albagami , Nguyen Van Huynh , Geoffrey Ye Li

In this paper, we propose the use of a deterministic sequence, known as unique word (UW), instead of the cyclic prefix (CP) in generalized frequency division multiplexing (GFDM) systems. The UW consists of known sequences that, if not null,…

信息论 · 计算机科学 2018-05-29 J. Dias , R. C. de Lamare

In order to support diverse scenarios and deployments, the numerology of orthogonal frequency division multiplexing (OFDM) is defined for the parametrization of subcarrier spacing and cyclic prefix (CP). The time-frequency dispersion of…

信号处理 · 电气工程与系统科学 2020-11-10 Xiaoran Liu , Jiao Zhang , Jibo Wei