中文
相关论文

相关论文: Grassmannian Constellation Design for Noncoherent …

200 篇论文

Deep generative models have demonstrated successful applications in learning non-linear data distributions through a number of latent variables and these models use a nonlinear function (generator) to map latent samples into the data space.…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Pourya Shamsolmoali , Masoumeh Zareapoor , Huiyu Zhou , Dacheng Tao , Xuelong Li

Drill string communications are important for drilling efficiency and safety. The design of a low latency drill string communication system with high throughput and reliability remains an open challenge. In this paper a deep learning…

机器学习 · 计算机科学 2024-05-08 Iurii Lezhenin , Aleksandr Sidnev , Vladimir Tsygan , Igor Malyshev

The stringent requirements of ultra-reliable low-latency communications (URLLC) require rethinking of the physical layer transmission techniques. Massive antenna arrays are seen as an enabler of the emerging $5^\text{th}$ generation…

信息论 · 计算机科学 2018-03-22 Alexandru-Sabin Bana , Marko Angjelichinoski , Elisabeth de Carvalho , Petar Popovski

Missing input sequences are common in medical imaging data, posing a challenge for deep learning models reliant on complete input data. In this work, inspired by MultiMAE [2], we develop a masked autoencoder (MAE) paradigm for multi-modal,…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Ayhan Can Erdur , Christian Beischl , Daniel Scholz , Jiazhen Pan , Benedikt Wiestler , Daniel Rueckert , Jan C Peeken

Masked autoencoder (MAE) is a promising self-supervised pre-training technique that can improve the representation learning of a neural network without human intervention. However, applying MAE directly to volumetric medical images poses…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Jia-Xin Zhuang , Luyang Luo , Hao Chen

In this paper a robust algorithm for DOA estimation of coherent sources in presence of antenna array imperfections is presented. We exploit the current advances of deep learning to overcome two of the most common problems facing the state…

信号处理 · 电气工程与系统科学 2020-05-07 Aya Mostafa Ahmed , Omar Eissa , Aydin Sezgin

In this paper, we investigate the problem of string-based molecular generation via variational autoencoders (VAEs) that have served a popular generative approach for various tasks in artificial intelligence. We propose a simple, yet…

机器学习 · 计算机科学 2022-08-24 Kisoo Kwon , Kuhwan Jung , Junghyun Park , Hwidong Na , Jinwoo Shin

A new approach for blind channel equalization and decoding, variational inference, and variational autoencoders (VAEs) in particular, is introduced. We first consider the reconstruction of uncoded data symbols transmitted over a noisy…

机器学习 · 计算机科学 2020-04-14 Avi Caciularu , David Burshtein

Mixture-of-Experts models rely on learned routers to assign tokens to experts, yet standard softmax gating provides no principled mechanism to control the tradeoff between sparsity and utilization. We propose Grassmannian MoE (GrMoE), a…

机器学习 · 计算机科学 2026-02-23 Ibne Farabi Shihab , Sanjeda Akter , Anuj Sharma

The aim of this paper is to investigate the recently developed mixed-ADC architecture for frequency-selective channels. Multi-carrier techniques such as orthogonal frequency division multiplexing (OFDM) are employed to handle inter-symbol…

信息论 · 计算机科学 2016-11-17 Ning Liang , Wenyi Zhang

Attributed graph embedding, which learns vector representations from graph topology and node features, is a challenging task for graph analysis. Recently, methods based on graph convolutional networks (GCNs) have made great progress on this…

机器学习 · 计算机科学 2020-07-06 Ganqu Cui , Jie Zhou , Cheng Yang , Zhiyuan Liu

Unequal error protection (UEP) coding that enables differentiated reliability levels within a transmitted message is essential for modern communication systems. Autoencoder (AE)-based code designs have shown promise in the context of…

信息论 · 计算机科学 2025-08-12 Vukan Ninkovic , Dejan Vukobratovic

A multi-cell cluster-free NOMA framework is proposed, where both intra-cell and inter-cell interference are jointly mitigated via flexible cluster-free successive interference cancellation (SIC) and coordinated beamforming design. The joint…

信号处理 · 电气工程与系统科学 2022-12-26 Xiaoxia Xu , Yuanwei Liu , Qimei Chen , Xidong Mu , Zhiguo Ding

This paper focuses on the signal design in a Gaussian amplify-and-forward (AF) relay system with superposition coding (SC) being applied at the relay, which allows the source and relay to transmit their own information within two time…

信号处理 · 电气工程与系统科学 2019-12-18 Bohai Li , He Chen , Zheng Dong , Yonghui Li , Branka Vucetic

We propose an approach for capturing the signal variability in hyperspectral imagery using the framework of the Grassmann manifold. Labeled points from each class are sampled and used to form abstract points on the Grassmannian. The…

计算机视觉与模式识别 · 计算机科学 2015-02-04 Sofya Chepushtanova , Michael Kirby

Many of the existing machine learning algorithms, both supervised and unsupervised, depend on the quality of the input characteristics to generate a good model. The amount of these variables is also important, since performance tends to…

机器学习 · 计算机科学 2018-01-08 David Charte , Francisco Charte , Salvador García , María J. del Jesus , Francisco Herrera

We consider the design of multiple-input multiple-output communication systems with a linear precoder at the transmitter, zero-forcing decision feedback equalization (ZF-DFE) at the receiver, and a low-rate feedback channel that enables…

信息论 · 计算机科学 2008-04-16 Michael Botros Shenouda , Timothy Davidson

There has been a growing interest in recent years in modelling multiple modalities (or views) of data to for example, understand the relationship between modalities or to generate missing data. Multi-view autoencoders have gained…

机器学习 · 计算机科学 2024-03-13 Ana Lawry Aguila , Andre Altmann

We propose a variational autoencoder (VAE) approach for parameter estimation in nonlinear mixed-effects models based on ordinary differential equations (NLME-ODEs) using longitudinal data from multiple subjects. In moderate dimensions,…

统计方法学 · 统计学 2026-02-11 Zhe Li , Mélanie Prague , Rodolphe Thiébaut , Quentin Clairon

We introduce a stable, well tested Python implementation of the affine-invariant ensemble sampler for Markov chain Monte Carlo (MCMC) proposed by Goodman & Weare (2010). The code is open source and has already been used in several published…

天体物理仪器与方法 · 物理学 2013-11-26 Daniel Foreman-Mackey , David W. Hogg , Dustin Lang , Jonathan Goodman