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To assist researchers to identify Environmental Microorganisms (EMs) effectively, a Multiscale CNN-CRF (MSCC) framework for the EM image segmentation is proposed in this paper. There are two parts in this framework: The first is a novel…

计算机视觉与模式识别 · 计算机科学 2021-02-25 Jinghua Zhang , Chen Li , Frank Kulwa , Xin Zhao , Changhao Sun , Zihan Li , Tao Jiang , Hong Li , Shouliang Qi

This paper studies the performance of a user positioning system using Channel State Information (CSI) of a Massive MIMO (MaMIMO) system. To infer the position of the user from the CSI, a Convolutional Neural Network is designed and…

信号处理 · 电气工程与系统科学 2019-11-27 Sibren De Bast , Adrea P. Guevara , Sofie Pollin

Camera fingerprints are precious tools for a number of image forensics tasks. A well-known example is the photo response non-uniformity (PRNU) noise pattern, a powerful device fingerprint. Here, to address the image forgery localization…

计算机视觉与模式识别 · 计算机科学 2018-08-30 Davide Cozzolino , Luisa Verdoliva

Place recognition is a cornerstone of vehicle navigation and mapping, which is pivotal in enabling systems to determine whether a location has been previously visited. This capability is critical for tasks such as loop closure in…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Zhenyu Li , Tianyi Shang , Pengjie Xu , Zhaojun Deng

Convolutional Neural Networks (CNN) possess many positive qualities when it comes to spatial raster data. Translation invariance enables CNNs to detect features regardless of their position in the scene. However, in some domains, like…

机器学习 · 计算机科学 2020-07-13 Arnas Uselis , Mantas Lukoševičius , Lukas Stasytis

Channel covariance matrix (CCM) is one critical parameter for designing the communications systems. In this paper, a novel framework of the deep learning (DL) based CCM estimation is proposed that exploits the perception of the transmission…

信号处理 · 电气工程与系统科学 2023-04-19 Weihua Xu , Feifei Gao , Jianhua Zhang , Xiaoming Tao , Ahmed Alkhateeb

The development of highly accurate deep learning methods for indoor localization is often hindered by the unavailability of sufficient data measurements in the desired environment to perform model training. To overcome the challenge of…

信号处理 · 电气工程与系统科学 2021-08-06 Mohamed I. AlHajri , Raed M. Shubair , Marwa Chafii

The world is moving towards faster data transformation with more efficient localization of a user being the preliminary requirement. This work investigates the use of a deep learning technique for wireless localization, considering both…

信号处理 · 电气工程与系统科学 2020-03-02 Udita Bhattacherjee , Chethan Kumar Anjinappa , LoyCurtis Smith , Ender Ozturk , Ismail Guvenc

Convolutional Neural Networks (CNNs) have recently been shown to excel at performing visual place recognition under changing appearance and viewpoint. Previously, place recognition has been improved by intelligently selecting relevant…

机器人学 · 计算机科学 2018-10-31 Stephen Hausler , Adam Jacobson , Michael Milford

This paper investigates the joint localization, detection, and tracking of sound events using a convolutional recurrent neural network (CRNN). We use a CRNN previously proposed for the localization and detection of stationary sources, and…

声音 · 计算机科学 2019-04-30 Sharath Adavanne , Archontis Politis , Tuomas Virtanen

Recently Convolutional Neural Networks (CNNs) have been shown to achieve state-of-the-art performance on various classification tasks. In this paper, we present for the first time a place recognition technique based on CNN models, by…

计算机视觉与模式识别 · 计算机科学 2014-11-07 Zetao Chen , Obadiah Lam , Adam Jacobson , Michael Milford

With the rapid development of intelligent transportation and smart city applications, urban canyon has become a critical scenario for the design and evaluation of wireless communication systems. Due to its unique environmental layout, the…

信号处理 · 电气工程与系统科学 2026-04-21 Junzhe Song , Ruisi He , Mi Yang , Zhengyu Zhang , Xinwen Chen , Xiaoying Zhang , Bo Ai

Pervasive localization is essential for continuous tracking applications, yet existing solutions face challenges in balancing power consumption and accuracy. GPS, while precise, is impractical for continuous tracking of micro-assets due to…

系统与控制 · 电气工程与系统科学 2025-05-12 Aritrik Ghosh , Nakul Garg , Nirupam Roy

Structure from Motion (SfM) using imagery that involves extreme appearance changes is yet a challenging task due to a loss of feature repeatability. Using feature correspondences obtained by matching densely extracted convolutional neural…

计算机视觉与模式识别 · 计算机科学 2018-05-14 Aji Resindra Widya , Akihiko Torii , Masatoshi Okutomi

We consider the use of deep neural networks (DNNs) in the context of channel state information (CSI)-based localization for Massive MIMO cellular systems. We discuss the practical impairments that are likely to be present in practical CSI…

网络与互联网体系结构 · 计算机科学 2020-05-26 Paul Ferrand , Alexis Decurninge , Maxime Guillaud

With more devices competing for limited spectrum, dynamic spectrum sharing is increasingly vulnerable to interference from unauthorized emitters. This motivates fast detection and localization of these emitters using low-cost, distributed…

信号处理 · 电气工程与系统科学 2025-12-02 H. Nazim Bicer

Camera localization aims to estimate 6 DoF camera poses from RGB images. Traditional methods detect and match interest points between a query image and a pre-built 3D model. Recent learning-based approaches encode scene structures into a…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Shitao Tang , Chengzhou Tang , Rui Huang , Siyu Zhu , Ping Tan

5G mmWave communication is useful for positioning due to the geometric connection between the propagation channel and the propagation environment. Channel estimation methods can exploit the resulting sparsity to estimate parameters(delay…

信息论 · 计算机科学 2020-05-25 Fuxi Wen , Josef Kulmer , Klaus Witrisal , Henk Wymeersch

Pedestrian detection has achieved great improvements with the help of Convolutional Neural Networks (CNNs). CNN can learn high-level features from input images, but the insufficient spatial resolution of CNN feature channels (feature maps)…

计算机视觉与模式识别 · 计算机科学 2020-04-30 Fiseha B. Tesema , Hong Wu , Mingjian Chen , Junpeng Lin , William Zhu , Kaizhu Huang

Deep learning methods are powerful tools but often suffer from expensive computation and limited flexibility. An alternative is to combine light-weight models with deep representations. As successful cases exist in several visual problems,…

计算机视觉与模式识别 · 计算机科学 2015-09-25 Bin Yang , Junjie Yan , Zhen Lei , Stan Z. Li