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Traditional supervised denoising networks learn network weights through "black box" (pixel-oriented) training, which requires clean training labels. The uninterpretability nature of such denoising networks in addition to the requirement for…

Geophysics · Physics 2023-08-08 Sixiu Liu , Shijun Cheng , Tariq Alkhalifah

This paper studies the problem of receiver modeling in molecular communication systems. We consider the diffusive molecular communication channel between a transmitter nano-machine and a receiver nano-machine in a fluid environment. The…

Emerging Technologies · Computer Science 2016-10-04 Arman Ahmadzadeh , Hamidreza Arjmandi , Andreas Burkovski , Robert Schober

The separation of single-channel underwater acoustic signals is a challenging problem with practical significance. Few existing studies focus on the source separation problem with unknown numbers of signals, and how to evaluate the…

Sound · Computer Science 2024-05-29 Qinggang Sun , Kejun Wang

We develop an end-to-end deep learning framework for downlink beamforming in large-scale sparse MIMO channels. The core is a deep EDN architecture with three modules: (i) an encoder NN, deployed at each user end, that compresses estimated…

Systems and Control · Electrical Eng. & Systems 2025-10-06 Yubo Zhang , Jeremy Johnston , Xiaodong Wang

This paper proposes to use a deep neural network (DNN)-based symbol detector for mmWave systems such that CSI acquisition can be bypassed. In particular, we consider a sliding bidirectional recurrent neural network (BRNN) architecture that…

Signal Processing · Electrical Eng. & Systems 2019-07-29 Yun Liao , Nariman Farsad , Nir Shlezinger , Yonina C. Eldar , Andrea J. Goldsmith

An adaptive structural learning method of Restricted Boltzmann Machine (RBM) and Deep Belief Network (DBN) has been developed as one of prominent deep learning models. The neuron generation-annihilation algorithm in RBM and layer generation…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Shin Kamada , Takumi Ichimura

Marine snow, the floating particles in underwater images, severely degrades the visibility and performance of human and machine vision systems. This paper proposes a novel method to reduce the marine snow interference using deep learning…

Image and Video Processing · Electrical Eng. & Systems 2023-11-28 Fernando Galetto , Guang Deng

In real acoustic environment, speech enhancement is an arduous task to improve the quality and intelligibility of speech interfered by background noise and reverberation. Over the past years, deep learning has shown great potential on…

Sound · Computer Science 2021-05-07 Kanghao Zhang , Shulin He , Hao Li , Xueliang Zhang

We propose a technique to authenticate received packets in underwater acoustic networks based on the physical layer features of the underwater acoustic channel (UWAC). Several sensors a) locally estimate features (e.g., the number of taps…

Signal Processing · Electrical Eng. & Systems 2024-05-24 Francesco Ardizzon , Roee Diamant , Paolo Casari , Stefano Tomasin

Hybrid beamformer design plays very crucial role in the next generation millimeter-wave (mm-Wave) massive MIMO (multiple-input multiple-output) systems. Previous works assume the perfect channel state information (CSI) which results heavy…

Signal Processing · Electrical Eng. & Systems 2020-08-18 Ahmet M. Elbir

We propose a learning-based method for the joint design of a transmit and receive filter, the constellation geometry and associated bit labeling, as well as a neural network (NN)-based detector. The method maximizes an achievable…

Information Theory · Computer Science 2022-03-25 Fayçal Ait Aoudia , Jakob Hoydis

Deep learning has solved many problems that are out of reach of heuristic algorithms. It has also been successfully applied in wireless communications, even though the current radio systems are well-understood and optimal algorithms exist…

Signal Processing · Electrical Eng. & Systems 2021-01-13 Mikko Honkala , Dani Korpi , Janne M. J. Huttunen

We propose a new end-to-end single image dehazing method, called Densely Connected Pyramid Dehazing Network (DCPDN), which can jointly learn the transmission map, atmospheric light and dehazing all together. The end-to-end learning is…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 He Zhang , Vishal M. Patel

A low-energy hardware implementation of deep belief network (DBN) architecture is developed using near-zero energy barrier probabilistic spin logic devices (p-bits), which are modeled to realize an intrinsic sigmoidal activation function. A…

Emerging Technologies · Computer Science 2018-06-13 Ramtin Zand , Kerem Yunus Camsari , Steven D. Pyle , Ibrahim Ahmed , Chris H. Kim , Ronald F. DeMara

The stringent performance requirements of future wireless networks, such as ultra-high data rates, extremely high reliability and low latency, are spurring worldwide studies on defining the next-generation multiple-input multiple-output…

Signal Processing · Electrical Eng. & Systems 2023-05-16 Qiyu Hu , Yunlong Cai , Guangyi Zhang , Guanding Yu , Geoffrey Ye Li

In this paper, we propose a deep learning model for Demodulation Reference Signal (DMRS) based channel estimation task. Specifically, a novel Denoise, Linear interpolation and Refine (DLR) pipeline is proposed to mitigate the noise…

Signal Processing · Electrical Eng. & Systems 2021-09-23 Yu Tian , Chengguang Li , Sen Yang

We propose a concept system termed distributed base station (DBS), which enables distributed transmit beamforming at large carrier wavelengths to achieve significant range extension and/or increased downlink data rate, providing a low-cost…

Information Theory · Computer Science 2018-03-09 Muhammed Faruk Gencel , Maryam Eslami Rasekh , Upamanyu Madhow

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…

Information Theory · Computer Science 2023-07-10 Abdul Karim Gizzini , Marwa Chafii

Autonomous navigation in underwater environments presents challenges due to factors such as light absorption and water turbidity, limiting the effectiveness of optical sensors. Sonar systems are commonly used for perception in underwater…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Ivano Donadi , Emilio Olivastri , Daniel Fusaro , Wanmeng Li , Daniele Evangelista , Alberto Pretto

The audio denoising technique has captured widespread attention in the deep neural network field. Recently, the audio denoising problem has been converted into an image generation task, and deep learning-based approaches have been applied…

Sound · Computer Science 2024-06-14 Junhui Li , Pu Wang , Jialu Li , Youshan Zhang
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