中文
相关论文

相关论文: A Ray-tracing and Deep Learning Fusion Super-resol…

200 篇论文

Massive multiple-input multiple-output (MIMO) enjoys great advantage in 5G wireless communication systems owing to its spectrum and energy efficiency. However, hundreds of antennas require large volumes of pilot overhead to guarantee…

信号处理 · 电气工程与系统科学 2023-09-26 An Chen , Wenbo Xu , Liyang Lu , Yue Wang

Channel pruning is widely accepted to accelerate modern convolutional neural networks (CNNs). The resulting pruned model benefits from its immediate deployment on general-purpose software and hardware resources. However, its large pruning…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Mincheol Park , Dongjin Kim , Cheonjun Park , Yuna Park , Gyeong Eun Gong , Won Woo Ro , Suhyun Kim

Improving the image resolution and acquisition speed of magnetic resonance imaging (MRI) is a challenging problem. There are mainly two strategies dealing with the speed-resolution trade-off: (1) $k$-space undersampling with high-resolution…

计算机视觉与模式识别 · 计算机科学 2021-04-14 Wenqi Huang , Sen Jia , Ziwen Ke , Zhuo-Xu Cui , Jing Cheng , Yanjie Zhu , Dong Liang

Magnetic resonance imaging (MRI) is extensively used for diagnosis and image-guided therapeutics. Due to hardware, physical and physiological limitations, acquisition of high-resolution MRI data takes long scan time at high system cost, and…

医学物理 · 物理学 2018-10-17 Qing Lyu , Chenyu You , Hongming Shan , Ge Wang

Beamforming design for intelligent reflecting surface (IRS)-assisted multi-user communication (IRS-MUC) systems critically depends on the acquisition of accurate channel state information (CSI). However, channel estimation (CE) in IRS-MUC…

信号处理 · 电气工程与系统科学 2022-11-24 Chang Liu , Xuemeng Liu , Zhiqiang Wei , Derrick Wing Kwan Ng , Robert Schober

While deep learning-based super-resolution (SR) methods have shown impressive outcomes with synthetic degradation scenarios such as bicubic downsampling, they frequently struggle to perform well on real-world images that feature complex,…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Hyeonjae Kim , Dongjin Kim , Eugene Jin , Tae Hyun Kim

Deep learning (DL) finds rich applications in the wireless domain to improve spectrum awareness. Typically, DL models are either randomly initialized following a statistical distribution or pretrained on tasks from other domains in the form…

网络与互联网体系结构 · 计算机科学 2022-11-02 Kemal Davaslioglu , Serdar Boztas , Mehmet Can Ertem , Yalin E. Sagduyu , Ender Ayanoglu

This paper deals with the problem of clustering data returned by a radar sensor network that monitors a region where multiple moving targets are present. The network is formed by nodes with limited functionalities that transmit the…

信号处理 · 电气工程与系统科学 2024-05-07 Linjie Yan , Pia Addabbo , Nicomino Fiscante , Carmine Clemente , Chengpeng Hao , Gaetano Giunta , Danilo Orlando

This study investigates the application of deep-learning diffusion models for the super-resolution of weather data, a novel approach aimed at enhancing the spatial resolution and detail of meteorological variables. Leveraging the…

机器学习 · 计算机科学 2024-09-02 Jan Martinů , Petr Šimánek

Inspired by the recently remarkable successes of Sparse Representation (SR), Collaborative Representation (CR) and sparse graph, we present a novel hypergraph model named Regression-based Hypergraph (RH) which utilizes the regression models…

计算机视觉与模式识别 · 计算机科学 2016-03-15 Sheng Huang , Dan Yang , Bo Liu , Xiaohong Zhang

Nowadays, high-quality images are pursued by both humans for better viewing experience and by machines for more accurate visual analysis. However, images are usually compressed before being consumed, decreasing their quality. It is…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Qi Zhang , Shanshe Wang , Xinfeng Zhang , Siwei Ma , Jingshan Pan , Wen Gao

Channel estimation is of great importance in realizing practical intelligent reflecting surface-assisted multi-user communication (IRS-MC) systems. However, different from traditional communication systems, an IRS-MC system generally…

信号处理 · 电气工程与系统科学 2020-12-02 Chang Liu , Xuemeng Liu , Derrick Wing Kwan Ng , Jinhong Yuan

A churn prediction system guides telecom service providers to reduce revenue loss. However, the development of a churn prediction system for a telecom industry is a challenging task, mainly due to the large size of the data, high…

机器学习 · 计算机科学 2019-03-06 Uzair Ahmed , Asifullah Khan , Saddam Hussain Khan , Abdul Basit , Irfan Ul Haq , Yeon Soo Lee

Though recent years have witnessed remarkable progress in single image super-resolution (SISR) tasks with the prosperous development of deep neural networks (DNNs), the deep learning methods are confronted with the computation and memory…

图像与视频处理 · 电气工程与系统科学 2023-02-15 Zheng Zhan , Yifan Gong , Pu Zhao , Geng Yuan , Wei Niu , Yushu Wu , Tianyun Zhang , Malith Jayaweera , David Kaeli , Bin Ren , Xue Lin , Yanzhi Wang

Super-resolution (SR) has traditionally been based on pairs of high-resolution images (HR) and their low-resolution (LR) counterparts obtained artificially with bicubic downsampling. However, in real-world SR, there is a large variety of…

图像与视频处理 · 电气工程与系统科学 2020-11-06 Mohammad Saeed Rad , Thomas Yu , Claudiu Musat , Hazim Kemal Ekenel , Behzad Bozorgtabar , Jean-Philippe Thiran

Doubly-selective channel estimation represents a key element in ensuring communication reliability in wireless systems. Due to the impact of multi-path propagation and Doppler interference in dynamic environments, doubly-selective channel…

信息论 · 计算机科学 2023-05-02 Abdul Karim Gizzini , Marwa Chafii

We propose an image super-resolution method (SR) using a deeply-recursive convolutional network (DRCN). Our network has a very deep recursive layer (up to 16 recursions). Increasing recursion depth can improve performance without…

计算机视觉与模式识别 · 计算机科学 2016-11-14 Jiwon Kim , Jung Kwon Lee , Kyoung Mu Lee

Deep convolution-based single image super-resolution (SISR) networks embrace the benefits of learning from large-scale external image resources for local recovery, yet most existing works have ignored the long-range feature-wise…

计算机视觉与模式识别 · 计算机科学 2020-06-03 Yiqun Mei , Yuchen Fan , Yuqian Zhou , Lichao Huang , Thomas S. Huang , Humphrey Shi

Super-resolution plays an essential role in medical imaging because it provides an alternative way to achieve high spatial resolutions and image quality with no extra acquisition costs. In the past few decades, the rapid development of deep…

图像与视频处理 · 电气工程与系统科学 2023-03-06 Jin Zhu , Guang Yang , Pietro Lio

Perfect channel estimation is very hard, time/ power consuming, and expensive; so it is not preferred (e.g. in mobile) communication systems. This paper seeks for new, cheap, low complexity, deep learning based solution. Several new…

信号处理 · 电气工程与系统科学 2020-01-29 M. A. Amirabadi