1 code implementation • ICCV 2023 • Guan Gui, Zhen Zhao, Lei Qi, Luping Zhou, Lei Wang, Yinghuan Shi
Sample adaptive augmentation (SAA) is proposed for this stated purpose and consists of two modules: 1) sample selection module; 2) sample augmentation module.
1 code implementation • 1 Dec 2022 • Zeyang Yang, Xue Fu, Guan Gui, Yun Lin, Haris Gacanin, Hikmet Sari, Fumiyuki Adachi
Rogue emitter detection (RED) is a crucial technique to maintain secure internet of things applications.
1 code implementation • 1 Dec 2022 • Cheng Wang, Xue Fu, Yu Wang, Guan Gui, Haris Gacanin, Hikmet Sari, Fumiyuki Adachi
Specific emitter identification (SEI) is a potential physical layer authentication technology, which is one of the most critical complements of upper layer authentication.
1 code implementation • 28 Nov 2022 • Xue Fu, Yang Peng, Yuchao Liu, Yun Lin, Guan Gui, Haris Gacanin, Fumiyuki Adachi
Specifically, pseudo labels are innovatively introduced into metric learning to enable semi-supervised metric learning (SSML), and an objective function alternatively regularized by SSML and virtual adversarial training (VAT) is designed to extract discriminative and generalized semantic features of radio signals.
1 code implementation • 9 Aug 2022 • Lantu Guo, Yu Wang, Yun Lin, Haitao Zhao, Guan Gui
Automatic modulation classification (AMC) is a key technique for designing non-cooperative communication systems, and deep learning (DL) is applied effectively to AMC for improving classification accuracy.
2 code implementations • 14 Jul 2022 • Yu Wang, Guan Gui, Yun Lin, Hsiao-Chun Wu, Chau Yuen, Fumiyuki Adachi
Thus, we focus on few-shot SEI (FS-SEI) for aircraft identification via automatic dependent surveillance-broadcast (ADS-B) signals, and a novel FS-SEI method is proposed, based on deep metric ensemble learning (DMEL).
1 code implementation • 25 May 2022 • Shupeng Zhang, Yibin Zhang, Xixi Zhang, Jinlong Sun, Yun Lin, Haris Gacanin, Fumiyuki Adachi, Guan Gui
However, most of these datasets are collected from 2. 4G WiFi devices and through similar channel environments.
no code implementations • 15 May 2022 • Yunyi Li, Yiqiu Jiang, Hengmin Zhang, Jianxun Liu, Xiangling Ding, Guan Gui
In this paper, we develop a ${{L_ {{1/2}}}} $-regularized nonlocal self-similarity (NSS) denoiser for CT reconstruction problem, which integrates low-rank approximation with group sparse coding (GSC) framework.
no code implementations • 11 Apr 2022 • Yibin Zhang, Jinlong Sun, Guan Gui, Haris Gacanin, Fumiyuki Adachi
Hence, the ideal communication environment for mmWave is line of sight (LOS) channel.
no code implementations • 18 Jan 2021 • Yue Xiu, Wei Sun, Jiao Wu, Guan Gui, Ning Wei, Zhongpei Zhang
The solution to transmit beamforming at the BS and the phase shifts at the IRS are derived by using the successive convex approximation (SCA)-based algorithm, and a greedy algorithm is proposed to design the IRS switch vector.
no code implementations • 27 Nov 2020 • Yue Xiu, Jun Zhao, Ertugrul Basar, Marco Di Renzo, Wei Sun, Guan Gui, Ning Wei
In this letter, we investigate the uplink of a reconfigurable intelligent surface (RIS)-aided millimeter-wave (mmWave) multi-user system.
no code implementations • 11 Jul 2020 • Yue Xiu, Jun Zhao, Wei Sun, Marco Di Renzo, Guan Gui, Zhongpei Zhang, Ning Wei
Then, we solve the power allocation problem under fixed phase shifts of the RIS and hybrid beamforming.
no code implementations • 26 Jun 2020 • Yue Xiu, Jun Zhao, Chau Yuen, Zhongpei Zhang, Guan Gui
In this system, the secrecy rate is maximized by controlling the on-off status of each IRS as well as optimizing the phase shift matrix of the IRSs.
no code implementations • 18 Nov 2019 • Yunyi Li, Li Liu, Yu Zhao, Xiefeng Cheng, Guan Gui
The popular L_2-norm and M-estimator are employed for standard image CS and robust CS problem to fit the data respectively.
no code implementations • 10 Jul 2019 • Yunyi Li, Guan Gui, Xiefeng Cheng
Recently, low-rank matrix recovery theory has been emerging as a significant progress for various image processing problems.
no code implementations • 21 Apr 2019 • Hongji Huang, Song Guo, Guan Gui, Zhen Yang, Jianhua Zhang, Hikmet Sari, Fumiyuki Adachi
The new demands for high-reliability and ultra-high capacity wireless communication have led to extensive research into 5G communications.
no code implementations • 23 Mar 2019 • Yunyi Li, Fei Dai, Yu Zhao, Xiefeng Cheng, Guan Gui
Group-prior based regularization method has led to great successes in various image processing tasks, which can usually be considered as a low-rank matrix minimization problem.
Image and Video Processing