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Dual mode orthogonal frequency division multiplexing with index modulation (DM-OFDM-IM) is recently proposed, which modulates all subcarriers to eliminate the limits of spectrum efficiency in OFDM with index modulation (OFDM-IM). In…

信息论 · 计算机科学 2019-02-05 Kee-Hoon Kim

Deep learning based image segmentation has achieved the state-of-the-art performance in many medical applications such as lesion quantification, organ detection, etc. However, most of the methods rely on supervised learning, which require a…

计算机视觉与模式识别 · 计算机科学 2020-04-20 Ruizhe Li , Dorothee Auer , Christian Wagner , Xin Chen

Deep Learning has a wide application in the area of natural language processing and image processing due to its strong ability of generalization. In this paper, we propose a novel neural network structure for jointly optimizing the…

信号处理 · 电气工程与系统科学 2018-08-10 Banghua Zhu , Jintao Wang , Longzhuang He , Jian Song

In this study, the modulation of symbols on OFDM subcarriers is classified for transmissions following Wi-Fi~6 and 5G downlink specifications. First, our approach estimates the OFDM symbol duration and cyclic prefix length based on the…

网络与互联网体系结构 · 计算机科学 2024-03-29 Byungjun Kim , Christoph Mecklenbräuker , Peter Gerstoft

A prior-guided deep learning (DL) based interference mitigation approach is proposed for frequency modulated continuous wave (FMCW) radars. In this paper, the interference mitigation problem is tackled as a regression problem. Considering…

信号处理 · 电气工程与系统科学 2022-12-07 Jianping Wang , Runlong Li , Yuan He , Yang Yang

In this work, a pattern recognition system is investigated for blind automatic classification of digitally modulated communication signals. The proposed technique is able to discriminate the type of modulation scheme which is eventually…

计算机视觉与模式识别 · 计算机科学 2016-06-01 Harishchandra Dubey , Nandita , Ashutosh Kumar Tiwari

Transmission of complex-valued symbols using filter bank multicarrier systems has been an issue due to the self-interference between the transmitted symbols both in the time and frequency domain (so-called intrinsic interference). In this…

信号处理 · 电气工程与系统科学 2017-11-27 Adnan Zafar , Mahmoud Abdullahi , Lei Zhang , Sohail Taheri , Pei Xiao , Muhammad Ali Imran

Hybrid-distorted image restoration (HD-IR) is dedicated to restore real distorted image that is degraded by multiple distortions. Existing HD-IR approaches usually ignore the inherent interference among hybrid distortions which compromises…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Xin Li , Xin Jin , Jianxin Lin , Tao Yu , Sen Liu , Yaojun Wu , Wei Zhou , Zhibo Chen

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

Affine frequency division multiplexing (AFDM), an emerging multi-carrier modulation scheme, has garnered significant attention due to its resilience to Doppler shifts and capability to achieve full diversity in doubly dispersive channels.…

信号处理 · 电气工程与系统科学 2026-04-17 Taohe Chen , Yin Xu , Tianyao Ma , Aimin Tang , Qu Luo , Dazhi He , Wenjun Zhang

As a green and secure wireless transmission way, secure spatial modulation (SM) is becoming a hot research area. Its basic idea is to exploit both the index of activated transmit antenna and amplitude phase modulation (APM) signal to carry…

信号处理 · 电气工程与系统科学 2019-07-05 Feng Shu , Lin Liu , Yumeng Zhang , Guiyang Xia , Xiaoyu Liu , Jun Li , Shi Jin , Jiangzhou Wang

In this paper, we explore neural network-based strategies for performing symbol detection in a MIMO-OFDM system. Building on a reservoir computing (RC)-based approach towards symbol detection, we introduce a symmetric and decomposed binary…

信号处理 · 电气工程与系统科学 2020-12-04 Zhou Zhou , Shashank Jere , Lizhong Zheng , Lingjia Liu

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

Since the signal with strong power should be demodulated first for successive interference cancellation (SIC) demodulation in non-orthogonal multiple access (NOMA) systems, the base station (BS) should inform the near user terminal (UT),…

信号处理 · 电气工程与系统科学 2020-10-19 Wenwu Xie , Jian Xiao , Jinxia Yang , Xin Peng , Chao Yu , Peng Zhu

Existing region-based object detectors are limited to regions with fixed box geometry to represent objects, even if those are highly non-rectangular. In this paper we introduce DP-FCN, a deep model for object detection which explicitly…

计算机视觉与模式识别 · 计算机科学 2017-07-20 Taylor Mordan , Nicolas Thome , Matthieu Cord , Gilles Henaff

This paper proposes a novel image segmentation approachthat integrates fully convolutional networks (FCNs) with a level setmodel. Compared with a FCN, the integrated method can incorporatesmoothing and prior information to achieve an…

计算机视觉与模式识别 · 计算机科学 2017-10-25 Min Tang , Sepehr Valipour , Zichen Vincent Zhang , Dana Cobzas , MartinJagersand

Recent advances in the industrial inspection of textured surfaces-in the form of visual inspection-have made such inspections possible for efficient, flexible manufacturing systems. We propose an unsupervised feature memory rearrangement…

计算机视觉与模式识别 · 计算机科学 2022-06-23 Haiming Yao , Wenyong Yu , Xue Wang

Scientific machine learning often involves representing complex solution fields that exhibit high-frequency features such as sharp transitions, fine-scale oscillations, and localized structures. While implicit neural representations (INRs)…

机器学习 · 计算机科学 2025-06-17 Minju Jo , Woojin Cho , Uvini Balasuriya Mudiyanselage , Seungjun Lee , Noseong Park , Kookjin Lee

Convolutional neural networks (CNN) have recently achieved remarkable successes in various image classification and understanding tasks. The deep features obtained at the top fully-connected layer of the CNN (FC-features) exhibit rich…

计算机视觉与模式识别 · 计算机科学 2017-04-05 Sheng Guo , Weilin Huang , Limin Wang , Yu Qiao

Future wireless networks are expected to be AI-empowered, making their performance highly dependent on the quality of training datasets. However, physical-layer entities often observe only partial wireless environments characterized by…

信号处理 · 电气工程与系统科学 2025-06-25 Kaidi Xu , Shenglong Zhou , Geoffrey Ye Li