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Images captured in challenging environments often experience various forms of degradation, including noise, color cast, blur, and light scattering. These effects significantly reduce image quality, hindering their applicability in…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Abbas Anwar , Mohammad Shullar , Ali Arshad Nasir , Mudassir Masood , Saeed Anwar

We propose a novel deep learning-based channel estimation technique for high-dimensional communication signals that does not require any training. Our method is broadly applicable to channel estimation for multicarrier signals with any…

信号处理 · 电气工程与系统科学 2019-04-23 Eren Balevi , Jeffrey G. Andrews

Sound processing in the human auditory system is complex and highly non-linear, whereas hearing aids (HAs) still rely on simplified descriptions of auditory processing or hearing loss to restore hearing. Even though standard HA…

音频与语音处理 · 电气工程与系统科学 2023-06-21 Fotios Drakopoulos , Sarah Verhulst

Doubly selective (DS) channel estimation in largescale multiple-input multiple-output (MIMO) systems is a challenging problem due to the requirement of unaffordable pilot overheads and prohibitive complexity. In this paper, we propose a…

信息论 · 计算机科学 2015-11-10 Bo Gong , Qibo Qin , Xiang Ren , Lin Gui , Hanwen Luo , Wen Chen

Deep learning has been a successful model which can effectively represent several features of input space and remarkably improve image recognition performance on the deep architectures. In our research, an adaptive structural learning…

神经与进化计算 · 计算机科学 2021-10-27 Shin Kamada , Takumi Ichimura

The application of machine learning in wireless communications has been extensively explored, with deep unfolding emerging as a powerful model-based technique. Deep unfolding enhances interpretability by transforming complex iterative…

信号处理 · 电气工程与系统科学 2026-01-15 Sukanya Deka , Kuntal Deka , Nhan Thanh Nguyen , Sanjeev Sharma , Vimal Bhatia , Nandana Rajatheva

This paper aims to handle the joint transmitter and noncoherent receiver design for multiuser multiple-input multiple-output (MU-MIMO) systems through deep learning. Given the deep neural network (DNN) based noncoherent receiver, the…

信号处理 · 电气工程与系统科学 2020-04-15 Songyan Xue , Yi Ma , Na Yi , Rahim Tafazolli

Facing the complex marine environment, it is extremely challenging to conduct underwater acoustic target recognition (UATR) using ship-radiated noise. Inspired by neural mechanism of auditory perception, this paper provides a new deep…

声音 · 计算机科学 2020-12-01 Gang Hu , Kejun Wang , Liangliang Liu

Deep neural network (DNN)-based joint source and channel coding is proposed for privacy-aware end-to-end image transmission against multiple eavesdroppers. Both scenarios of colluding and non-colluding eavesdroppers are considered. Unlike…

This letter mainly studies the transmit antenna selection(TAS) based on deep learning (DL) scheme in untrusted relay networks. In previous work, we discover that machine learning (ML)-based antenna selection schemes have small performance…

信号处理 · 电气工程与系统科学 2019-01-11 Rugui Yao , Yuxin Zhang , Shengyao Wang , Nan Qi , Theodoros A. Tsiftsis , Nikos I. Miridakis

We propose a method for channel training and precoding in FDD massive MIMO based on deep neural networks (DNNs), exploiting Downlink (DL) channel covariance knowledge. The DNN is optimized to maximize the DL multi-user sum-rate, by…

信息论 · 计算机科学 2023-03-21 Yi Song , Tianyu Yang , Mahdi Barzegar Khalilsarai , Giuseppe Caire

Learning to interact with the environment not only empowers the agent with manipulation capability but also generates information to facilitate building of action understanding and imitation capabilities. This seems to be a strategy adopted…

机器人学 · 计算机科学 2022-12-06 M. Y. Seker , A. Ahmetoglu , Y. Nagai , M. Asada , E. Oztop , E. Ugur

When sailing at sea, the smart ship will inevitably produce swaying motion due to the action of wind, wave and current, which makes the image collected by the visual sensor appear motion blur. This will have an adverse effect on the object…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Hui Feng , Jundong Guo , Sam Shuzhi Ge

In this paper we propose a method for defending against an eavesdropper that uses a Deep Neural Network (DNN) for learning the modulation of wireless communication signals. Our method is based on manipulating the emitted waveform with the…

密码学与安全 · 计算机科学 2023-10-04 Dimitrios Varkatzas , Antonios Argyriou

Recently, the deep-belief-networks (DBN) based voice activity detection (VAD) has been proposed. It is powerful in fusing the advantages of multiple features, and achieves the state-of-the-art performance. However, the deep layers of the…

机器学习 · 计算机科学 2013-11-05 Xiao-Lei Zhang , Ji Wu

Acoustic beamformers have been widely used to enhance audio signals. Currently, the best methods are the deep neural network (DNN)-powered variants of the generalized eigenvalue and minimum-variance distortionless response beamformers and…

音频与语音处理 · 电气工程与系统科学 2020-08-12 Yuichiro Koyama , Bhiksha Raj

Restricted Boltzmann Machines (RBMs) are one of the fundamental building blocks of deep learning. Approximate maximum likelihood training of RBMs typically necessitates sampling from these models. In many training scenarios, computationally…

机器学习 · 计算机科学 2014-10-02 Guillaume Desjardins , Heng Luo , Aaron Courville , Yoshua Bengio

Noise reduction techniques based on deep learning have demonstrated impressive performance in enhancing the overall quality of recorded speech. While these approaches are highly performant, their application in audio engineering can be…

声音 · 计算机科学 2023-10-18 Christian J. Steinmetz , Thomas Walther , Joshua D. Reiss

In this paper, we consider the diffusive molecular communication channel between a transmitter nano-machine and a receiver nano-machine in a fluid environment. The information molecules released by the transmitter nano-machine into the…

新兴技术 · 计算机科学 2016-11-17 Arman Ahmadzadeh , Hamidreza Arjmanidi , Andreas Burkovski , Robert Schober

This paper introduces an explainable DNN-based beamformer with a postfilter (ExNet-BF+PF) for multichannel signal processing. Our approach combines the U-Net network with a beamformer structure to address this problem. The method involves a…

音频与语音处理 · 电气工程与系统科学 2024-11-19 Adi Cohen , Daniel Wong , Jung-Suk Lee , Sharon Gannot