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Time-Frequency Distributions (TFDs) support the heart sound characterisation and classification in early cardiac screening. However, despite the frequent use of TFDs in signal analysis, no study comprehensively compared their performances…

信号处理 · 电气工程与系统科学 2022-08-08 Xinqi Bao , Yujia Xu , Hak-Keung Lam , Mohamed Trabelsi , Ines Chihi , Lilia Sidhom , Ernest N. Kamavuako

This paper describes a novel text-to-speech (TTS) technique based on deep convolutional neural networks (CNN), without use of any recurrent units. Recurrent neural networks (RNN) have become a standard technique to model sequential data…

声音 · 计算机科学 2020-10-01 Hideyuki Tachibana , Katsuya Uenoyama , Shunsuke Aihara

Orthogonal Time Frequency Space (OTFS) is a novel framework that processes modulation symbols via a time-independent channel characterized by the delay-Doppler domain. The conventional waveform, orthogonal frequency division multiplexing…

信号处理 · 电气工程与系统科学 2021-07-20 Zhou Zhou , Lingjia Liu , Jiarui Xu , Robert Calderbank

Traffic speed prediction is a critically important component of intelligent transportation systems (ITS). Recently, with the rapid development of deep learning and transportation data science, a growing body of new traffic speed prediction…

机器学习 · 计算机科学 2019-03-06 Ruimin Ke , Wan Li , Zhiyong Cui , Yinhai Wang

We propose a novel deep convolutional neural network (CNN) based multi-task learning approach for open-set visual recognition. We combine a classifier network and a decoder network with a shared feature extractor network within a multi-task…

计算机视觉与模式识别 · 计算机科学 2019-03-11 Poojan Oza , Vishal M. Patel

Convolutional neural network (CNN) models have been widely used for fault diagnosis of complex systems. However, traditional CNN models rely on small kernel filters to obtain local features from images. Thus, an excessively deep CNN is…

系统与控制 · 电气工程与系统科学 2022-10-05 Qiugang Lu , Saif S. S. Al-Wahaibi

OFDM (Orthogonal Frequency Division Multiplexing)provides the promising physical layer for 4G and 3GPP LTE Systems in terms of efficient use of bandwidth and data rates. This paper highlights the implementation of OFDM in Digital Video…

信息论 · 计算机科学 2014-05-01 Farhan Farhan

In order to support diverse scenarios and deployments, the numerology of orthogonal frequency division multiplexing (OFDM) is defined for the parametrization of subcarrier spacing and cyclic prefix (CP). The time-frequency dispersion of…

信号处理 · 电气工程与系统科学 2020-11-10 Xiaoran Liu , Jiao Zhang , Jibo Wei

Convolutional Neural Network (CNN) have been widely used in image classification. Over the years, they have also benefited from various enhancements and they are now considered as state of the art techniques for image like data. However,…

计算机视觉与模式识别 · 计算机科学 2022-06-06 Thomas Gonzalez , Antoine Blais , Nicolas Couëllan , Christian Ruiz

The paper presents a Traffic Sign Recognition (TSR) system, which can fast and accurately recognize traffic signs of different sizes in images. The system consists of two well-designed Convolutional Neural Networks (CNNs), one for region…

计算机视觉与模式识别 · 计算机科学 2018-06-01 Yuchen Yang , Shuo Liu , Wei Ma , Qiuyuan Wang , Zheng Liu

In this paper, we propose a deep-learning-based channel estimation scheme in an orthogonal frequency division multiplexing (OFDM) system. Our proposed method, named Single Slot Recurrence Along Frequency Network (SisRafNet), is based on a…

信号处理 · 电气工程与系统科学 2024-01-12 Abu Shafin Mohammad Mahdee Jameel , Akshay Malhotra , Aly El Gamal , Shahab Hamidi-Rad

Surgical workflow analysis is of importance for understanding onset and persistence of surgical phases and individual tool usage across surgery and in each phase. It is beneficial for clinical quality control and to hospital administrators…

图像与视频处理 · 电气工程与系统科学 2019-05-28 Shanka Subhra Mondal , Rachana Sathish , Debdoot Sheet

This paper studies inference acceleration using distributed convolutional neural networks (CNNs) in collaborative edge computing network. To avoid inference accuracy loss in inference task partitioning, we propose receptive field-based…

分布式、并行与集群计算 · 计算机科学 2022-07-26 Nan Li , Alexandros Iosifidis , Qi Zhang

Deep convolutional neural networks (CNNs) have dominated many computer vision domains because of their great power to extract good features automatically. However, many deep CNNs-based computer vison tasks suffer from lack of training data…

计算机视觉与模式识别 · 计算机科学 2018-08-21 Jie Guo , Tingfa Xu , Shenwang Jiang , Ziyi Shen

Digital predistortion (DPD) is a method commonly used to compensate for the nonlinear effects of power amplifiers (PAs). However, the computational complexity of most DPD algorithms becomes an issue in the downlink of massive multi-user…

信号处理 · 电气工程与系统科学 2022-05-12 Yibo Wu , Ulf Gustavsson , Mikko Valkama , Alexandre Graell i Amat , Henk Wymeersch

Correlation filters (CF) have received considerable attention in visual tracking because of their computational efficiency. Leveraging deep features via off-the-shelf CNN models (e.g., VGG), CF trackers achieve state-of-the-art performance…

计算机视觉与模式识别 · 计算机科学 2020-06-24 Ning Wang , Wengang Zhou , Yibing Song , Chao Ma , Houqiang Li

In this work, we propose a novel Convolutional Neural Network (CNN) architecture for the joint detection and matching of feature points in images acquired by different sensors using a single forward pass. The resulting feature detector is…

计算机视觉与模式识别 · 计算机科学 2021-06-17 Elad Ben Baruch , Yosi Keller

Intrusion detection system (IDS) plays an essential role in computer networks protecting computing resources and data from outside attacks. Recent IDS faces challenges improving flexibility and efficiency of the IDS for unexpected and…

密码学与安全 · 计算机科学 2020-03-05 Azizjon Meliboev , Jumabek Alikhanov , Wooseong Kim

There is an increasing interest in applying deep learning to 3D mesh segmentation. We observe that 1) existing feature-based techniques are often slow or sensitive to feature resizing, 2) there are minimal comparative studies and 3)…

图形学 · 计算机科学 2018-02-09 David George , Xianghua Xie , Gary KL Tam

The systems monitoring the location of public transport vehicles rely on wireless transmission. The location readings from GPS-based devices are received with some latency caused by periodical data transmission and temporal problems…

网络与互联网体系结构 · 计算机科学 2018-02-28 Maciej Grzenda , Karolina Kwasiborska , Tomasz Zaremba