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Convolutional Neural Networks (CNNs) model long-range dependencies by deeply stacking convolution operations with small window sizes, which makes the optimizations difficult. This paper presents region-based non-local (RNL) operations as a…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Guoxi Huang , Adrian G. Bors

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

Wireless localization has become a promising technology for offering intelligent location-based services. Although its localization accuracy is improved under specific scenarios, the short of environmental dynamic vulnerability still…

信号处理 · 电气工程与系统科学 2025-08-06 Lingyan Zhang , Yuanfeng Qiu , Dachuan Li , Shaohua Wu , Tingting Zhang , Qinyu Zhang

In this letter, we propose a point cloud structural similarity-based loop detection method for underwater Simultaneous Localization and Mapping using sonar sensors. Existing sonar-based loop detection approaches often rely on 2D projection…

机器人学 · 计算机科学 2025-03-19 Donghwi Jung , Andres Pulido , Jane Shin , Seong-Woo Kim

Recent advances in Artificial Intelligence (AI) technology have promoted their use in almost every field. The growing complexity of deep neural networks (DNNs) makes it increasingly difficult and important to explain the inner workings and…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Van Binh Truong , Truong Thanh Hung Nguyen , Vo Thanh Khang Nguyen , Quoc Khanh Nguyen , Quoc Hung Cao

This paper describes the architecture and performance of ORACLE, an approach for detecting a unique radio from a large pool of bit-similar devices (same hardware, protocol, physical address, MAC ID) using only IQ samples at the physical…

信号处理 · 电气工程与系统科学 2018-12-05 Kunal Sankhe , Mauro Belgiovine , Fan Zhou , Shamnaz Riyaz , Stratis Ioannidis , Kaushik Chowdhury

The increasing demands for high-throughput and energy-efficient wireless communications are driving the adoption of extremely large antennas operating at high-frequency bands. In these regimes, multiple users will reside in the radiative…

信号处理 · 电气工程与系统科学 2025-06-30 Arad Gast , Luc Le Magoarou , Nir Shlezinger

The problem of multi-speaker localization is formulated as a multi-class multi-label classification problem, which is solved using a convolutional neural network (CNN) based source localization method. Utilizing the common assumption of…

声音 · 计算机科学 2017-12-13 Soumitro Chakrabarty , Emanuël A. P. Habets

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

While deep-learning-based speaker localization has shown advantages in challenging acoustic environments, it often yields only direction-of-arrival (DOA) cues rather than precise two-dimensional (2D) coordinates. To address this, we propose…

音频与语音处理 · 电气工程与系统科学 2024-04-02 Shupei Liu , Linfeng Feng , Yijun Gong , Chengdong Liang , Chen Zhang , Xiao-Lei Zhang , Xuelong Li

Due to object detection's close relationship with video analysis and image understanding, it has attracted much research attention in recent years. Traditional object detection methods are built on handcrafted features and shallow trainable…

计算机视觉与模式识别 · 计算机科学 2019-04-17 Zhong-Qiu Zhao , Peng Zheng , Shou-tao Xu , Xindong Wu

Convolutional neural networks (CNNs) have constantly achieved better performance over years by introducing more complex topology, and enlarging the capacity towards deeper and wider CNNs. This makes the manual design of CNNs extremely…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Bin Wang , Bing Xue , Mengjie Zhang

In this paper, we study the underwater acoustic localization in the presence of environmental mismatch. Especially, we exploit a pre-trained neural network for the acoustic wave propagation in a gradient-based optimization framework to…

声音 · 计算机科学 2025-04-01 Dariush Kari , Yongjie Zhuang , Andrew C. Singer

High percentage penetrations of renewable energy generations introduce significant uncertainty into power systems. It requires grid operators to solve alternative current optimal power flow (AC-OPF) problems more frequently for economical…

系统与控制 · 电气工程与系统科学 2022-07-04 Xiang Pan , Minghua Chen , Tianyu Zhao , Steven H. Low

Simulation of fluid flow in porous media has many applications, from the micro-scale (cell membranes, filters, rocks) to macro-scale (groundwater, hydrocarbon reservoirs, and geothermal) and beyond. Direct simulation of flow in porous media…

流体动力学 · 物理学 2020-04-27 Ying Da Wang , Traiwit Chung , Ryan T. Armstrong , Peyman Mostaghimi

Data-based and learning-based sound source localization (SSL) has shown promising results in challenging conditions, and is commonly set as a classification or a regression problem. Regression-based approaches have certain advantages over…

音频与语音处理 · 电气工程与系统科学 2021-11-02 Sharath Adavanne , Archontis Politis , Tuomas Virtanen

Visual place recognition is challenging because there are so many factors that can cause the appearance of a place to change, from day-night cycles to seasonal change to atmospheric conditions. In recent years a large range of approaches…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Sourav Garg , Ben Harwood , Gaurangi Anand , Michael Milford

Classical approaches for one-class problems such as one-class SVM and isolation forest require careful feature engineering when applied to structured domains like images. State-of-the-art methods aim to leverage deep learning to learn…

机器学习 · 计算机科学 2020-08-18 Sachin Goyal , Aditi Raghunathan , Moksh Jain , Harsha Vardhan Simhadri , Prateek Jain

With the rapid advancement of technology, the recognition of underwater acoustic signals in complex environments has become increasingly crucial. Currently, mainstream underwater acoustic signal recognition relies primarily on…

声音 · 计算机科学 2024-01-08 Minghao Chen

$ $Visual place recognition is challenging, especially when only a few place exemplars are given. To mitigate the challenge, we consider place recognition method using omnidirectional cameras and propose a novel Omnidirectional…

计算机视觉与模式识别 · 计算机科学 2018-03-13 Tsun-Hsuan Wang , Hung-Jui Huang , Juan-Ting Lin , Chan-Wei Hu , Kuo-Hao Zeng , Min Sun