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In recent years, self-supervised denoising methods have gained significant success and become critically important in the field of image restoration. Among them, the blind spot network based methods are the most typical type and have…

图像与视频处理 · 电气工程与系统科学 2024-07-16 Xiangyu Liao , Tianheng Zheng , Jiayu Zhong , Pingping Zhang , Chao Ren

In this article, deep learning is applied to estimate the uplink channels for mixed analog-to-digital converters (ADCs) massive multiple-input multiple-output (MIMO) systems, where a portion of antennas are equipped with high-resolution…

信息论 · 计算机科学 2019-08-20 Shen Gao , Peihao Dong , Zhiwen Pan , Geoffrey Ye Li

Accurate and efficient estimation of the high dimensional channels is one of the critical challenges for practical applications of massive multiple-input multiple-output (MIMO). In the context of hybrid analog-digital (HAD) transceivers,…

信息论 · 计算机科学 2022-02-08 Jiabao Gao , Caijun Zhong , Geoffrey Ye Li , Zhaoyang Zhang

This paper develops novel deep learning-based architectures and design methodologies for an orthogonal frequency division multiplexing (OFDM) receiver under the constraint of one-bit complex quantization. Single bit quantization greatly…

信息论 · 计算机科学 2019-05-29 Eren Balevi , Jeffrey G. Andrews

One-shot image classification aims to train image classifiers over the dataset with only one image per category. It is challenging for modern deep neural networks that typically require hundreds or thousands of images per class. In this…

计算机视觉与模式识别 · 计算机科学 2020-05-05 Wanqi Xue , Wei Wang

Multiple-input multiple-output (MIMO) systems require efficient and accurate channel estimation with low pilot overhead to unlock their full potential for high spectral and energy efficiency. While deep generative models have emerged as a…

信号处理 · 电气工程与系统科学 2026-01-21 Yongqiang Zhang , Qurrat-Ul-Ain Nadeem

Millimeter-wave (mmWave) communications have been one of the promising technologies for future wireless networks that integrate a wide range of data-demanding applications. To compensate for the large channel attenuation in mmWave band and…

信号处理 · 电气工程与系统科学 2021-05-13 Hengtao He , Rui Wang , Weijie Jin , Shi Jin , Chao-Kai Wen , Geoffrey Ye Li

As deep learning methods continue to improve medical image segmentation performance, data annotation is still a big bottleneck due to the labor-intensive and time-consuming burden on medical experts, especially for 3D images. To…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Yixuan Wu , Bo Zheng , Jintai Chen , Danny Z. Chen , Jian Wu

We introduce a novel physical layer scheme for single user Multiple-Input Multiple-Output (MIMO) communications based on unsupervised deep learning using an autoencoder. This method extends prior work on the joint optimization of physical…

信息论 · 计算机科学 2017-07-26 Timothy J. O'Shea , Tugba Erpek , T. Charles Clancy

Self-supervised monocular depth estimation networks are trained to predict scene depth using nearby frames as a supervision signal during training. However, for many applications, sequence information in the form of video frames is also…

计算机视觉与模式识别 · 计算机科学 2021-07-15 Jamie Watson , Oisin Mac Aodha , Victor Prisacariu , Gabriel Brostow , Michael Firman

Massive multiple-input multiple-output (MIMO) is widely recognized as a promising technology for future 5G wireless communication systems. To achieve the theoretical performance gains in massive MIMO systems, accurate channel state…

信息论 · 计算机科学 2017-01-30 Wenqian Shen , Linglong Dai , Yi Shi , Byonghyo Shim , Zhaocheng Wang

The performance of learning-based denoising largely depends on clean supervision. However, it is difficult to obtain clean images in many scenes. On the contrary, the capture of multiple noisy frames for the same field of view is available…

计算机视觉与模式识别 · 计算机科学 2023-02-23 Lujia Jin , Shi Zhao , Lei Zhu , Qian Chen , Yanye Lu

Deep neural networks (DNNs) are known to perform well when deployed to test distributions that shares high similarity with the training distribution. Feeding DNNs with new data sequentially that were unseen in the training distribution has…

机器学习 · 计算机科学 2021-07-30 Eugene Lee , Cheng-Han Huang , Chen-Yi Lee

Optimal symbol detection in multiple-input multiple-output (MIMO) systems is known to be an NP-hard problem. Recently, there has been a growing interest to get reasonably close to the optimal solution using neural networks while keeping the…

信号处理 · 电气工程与系统科学 2021-10-15 Nicolas Zilberstein , Chris Dick , Rahman Doost-Mohammady , Ashutosh Sabharwal , Santiago Segarra

Existing beamforming-based full-duplex solutions for multi-antenna wireless systems often rely on explicit estimation of the self-interference channel. The pilot overhead of such estimation, however, can be prohibitively high in…

信号处理 · 电气工程与系统科学 2026-04-23 Samuel Li , Ian P. Roberts

We propose a learning-based approach for estimating the spectrum of a multisinusoidal signal from a finite number of samples. A neural-network is trained to approximate the spectra of such signals on simulated data. The proposed methodology…

机器学习 · 计算机科学 2019-06-03 Gautier Izacard , Brett Bernstein , Carlos Fernandez-Granda

Massive multiple-input multiple-output (MIMO) system is promising in providing unprecedentedly high data rate. To achieve its full potential, the transceiver needs complete channel state information (CSI) to perform transmit/receive…

信息论 · 计算机科学 2022-02-08 Yu Zhang , Ahmed Alkhateeb , Pranav Madadi , Jeongho Jeon , Joonyoung Cho , Charlie Zhang

Image denoising is of great importance for medical imaging system, since it can improve image quality for disease diagnosis and downstream image analyses. In a variety of applications, dynamic imaging techniques are utilized to capture the…

图像与视频处理 · 电气工程与系统科学 2021-06-24 Junshen Xu , Elfar Adalsteinsson

In TDD massive MIMO systems, channel estimation under sparse frequency-hopping pilots is challenging: each snapshot captures only one narrow pilot block that hops across frequency, with tens of milliseconds between adjacent snapshots.…

信号处理 · 电气工程与系统科学 2026-04-08 Yufei Ma , Xu Zhu , Tiejun Li

Because noise can interfere with downstream analysis, image denoising has come to occupy an important place in the image processing toolbox. The most accurate state-of-the-art denoisers typically train on a representative dataset. But…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Jason Lequyer , Wen-Hsin Hsu , Reuben Philip , Anna Christina Erpf , Laurence Pelletier