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This paper presents a novel compressed sensing (CS) approach to high dimensional wireless channel estimation by optimizing the input to a deep generative network. Channel estimation using generative networks relies on the assumption that…

信号处理 · 电气工程与系统科学 2020-06-25 Eren Balevi , Akash Doshi , Ajil Jalal , Alexandros Dimakis , Jeffrey G. Andrews

Change-point detection in dynamic networks has received much attention due to its broad applications in social networks and biological systems. Kernel-based methods have shown strong potential for this problem. However, their performance…

统计方法学 · 统计学 2026-05-15 Mingxuan Sun , Hao Chen

Accurate communication performance prediction is crucial for wireless applications such as network deployment and resource management. Unlike conventional systems with a single transmit and receive antenna, throughput (Tput) estimation in…

信息论 · 计算机科学 2025-04-02 Fan-Hao Lin , Tzu-Hao Huang , Chao-Kai Wen , Trung Q. Duong

In cognitive radio network the primary channel information is beneficial. But it can not be obtained by direct channel estimation in cognitive system as pervious methods. And only one possible way is the primary receiver broadcasts the…

信息论 · 计算机科学 2011-07-11 Yipeng Liu , Qun Wan

With the widespread deployment of fifth-generation (5G) wireless networks, research on sixth-generation (6G) technology is gaining momentum. Artificial Intelligence (AI) is anticipated to play a significant role in 6G, particularly through…

Recent advances in vision-language models have made zero-shot navigation feasible, enabling robots to follow natural language instructions without requiring labeling. However, existing methods that explicitly store language vectors in grid…

机器人学 · 计算机科学 2026-02-13 Sibaek Lee , Hyeonwoo Yu , Giseop Kim , Sunwook Choi

Knowledge distillation (KD) has been proven to be a simple and effective tool for training compact models. Almost all KD variants for dense prediction tasks align the student and teacher networks' feature maps in the spatial domain,…

计算机视觉与模式识别 · 计算机科学 2021-08-30 Changyong Shu , Yifan Liu , Jianfei Gao , Zheng Yan , Chunhua Shen

We introduce an approach to integrate segmentation information within a convolutional neural network (CNN). This counter-acts the tendency of CNNs to smooth information across regions and increases their spatial precision. To obtain…

计算机视觉与模式识别 · 计算机科学 2017-08-16 Adam W. Harley , Konstantinos G. Derpanis , Iasonas Kokkinos

Image-generating machine learning models are typically trained with loss functions based on distance in the image space. This often leads to over-smoothed results. We propose a class of loss functions, which we call deep perceptual…

机器学习 · 计算机科学 2016-02-10 Alexey Dosovitskiy , Thomas Brox

This paper presents a novel channel estimation technique for the multi-user massive multiple-input multiple-output (MU-mMIMO) systems using angular-based hybrid precoding (AB-HP). The proposed channel estimation technique generates…

信息论 · 计算机科学 2022-02-01 Xiaoyi Zhu , Asil Koc , Robert Morawski , Tho Le-Ngoc

Context plays a crucial role in visual recognition as it provides complementary clues for different learning tasks including image classification and annotation. As the performances of these tasks are currently reaching a plateau, any extra…

计算机视觉与模式识别 · 计算机科学 2020-01-01 Mingyuan Jiu , Hichem Sahbi

Deep Neural Networks (DNNs) are widely used for visual classification tasks, but their complex computation process and black-box nature hinder decision transparency and interpretability. Class activation maps (CAMs) and recent variants…

Although deep learning models have been successfully applied to a variety of tasks, due to the millions of parameters, they are becoming increasingly opaque and complex. In order to establish trust for their widespread commercial use, it is…

机器学习 · 计算机科学 2018-11-13 Tanmayee Narendra , Anush Sankaran , Deepak Vijaykeerthy , Senthil Mani

Statistical analysis of network data has attracted considerable attention in recent years, due to the rapid advancement of well-trained network models and the accessibility of large public network datasets. In this article, we propose a…

统计方法学 · 统计学 2026-04-22 Yong He , Kangxiang Qin , Haoran Tang

We propose channel charting (CC), a novel framework in which a multi-antenna network element learns a chart of the radio geometry in its surrounding area. The channel chart captures the local spatial geometry of the area so that points that…

信息论 · 计算机科学 2018-08-23 Christoph Studer , Saïd Medjkouh , Emre Gönültaş , Tom Goldstein , Olav Tirkkonen

Kernel methods have been successfully applied to the areas of pattern recognition and data mining. In this paper, we mainly discuss the issue of propagating labels in kernel space. A Kernel-Induced Label Propagation (Kernel-LP) framework by…

计算机视觉与模式识别 · 计算机科学 2019-06-03 Zhao Zhang , Lei Jia , Mingbo Zhao , Guangcan Liu , Meng Wang , Shuicheng Yan

Knowledge graphs (KGs) consist of links that describe relationships between entities. Due to the difficulty of manually enumerating all relationships between entities, automatically completing them is essential for KGs. Knowledge Graph…

计算与语言 · 计算机科学 2024-06-07 Yusuke Sakai , Hidetaka Kamigaito , Katsuhiko Hayashi , Taro Watanabe

Vehicles require timely channel conditions to determine the base station (BS) to communicate with, but it is costly to estimate the fast-fading mmWave channels frequently. Without additional channel estimations, the proposed Distributed…

机器学习 · 计算机科学 2025-04-16 Xiaoyang He , Xiaoxia Huang

In image-based camera localization systems, information about the environment is usually stored in some representation, which can be referred to as a map. Conventionally, most maps are built upon hand-crafted features. Recently, neural…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Mingpan Guo , Stefan Matthes , Jiaojiao Ye , Hao Shen

Cognitive maps are a proposed concept on how the brain efficiently organizes memories and retrieves context out of them. The entorhinal-hippocampal complex is heavily involved in episodic and relational memory processing, as well as spatial…

神经元与认知 · 定量生物学 2024-01-04 Paul Stoewer , Achim Schilling , Andreas Maier , Patrick Krauss