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Driver assistance systems as well as autonomous cars have to rely on sensors to perceive their environment. A heterogeneous set of sensors is used to perform this task robustly. Among them, radar sensors are indispensable because of their…

信号处理 · 电气工程与系统科学 2019-06-26 Johanna Rock , Mate Toth , Elmar Messner , Paul Meissner , Franz Pernkopf

Modulation recognition is a challenging task while performing spectrum sensing in a cognitive radio setup. Recently, the use of deep convolutional neural networks (CNNs) has shown to achieve state-of-the-art accuracy for modulation…

信号处理 · 电气工程与系统科学 2018-03-06 Kumar Yashashwi , Amit Sethi , Prasanna Chaporkar

A common problem in time series analysis is to predict dynamics with only scalar or partial observations of the underlying dynamical system. For data on a smooth compact manifold, Takens theorem proves a time delayed embedding of the…

机器学习 · 计算机科学 2023-04-12 Charles D. Young , Michael D. Graham

In this work, we present some applications of random matrix theory for the training of deep neural networks. Recently, random matrix theory (RMT) has been applied to the overfitting problem in deep learning. Specifically, it has been shown…

机器学习 · 计算机科学 2023-03-17 Yitzchak Shmalo , Jonathan Jenkins , Oleksii Krupchytskyi

The rapid development of autonomous driving in recent years presents lots of challenges for scene understanding. As an essential step towards scene understanding, semantic segmentation thus received lots of attention in past few years.…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Zhengeng Yang , Hongshan Yu , Qiang Fu , Wei Sun , Wenyan Jia , Mingui Sun , Zhi-Hong Mao

This paper presents a simple but effective method that uses multi-resolution feature maps with convolutional neural networks (CNNs) for anti-spoofing in automatic speaker verification (ASV). The central idea is to alleviate the problem that…

音频与语音处理 · 电气工程与系统科学 2020-08-21 Qiongqiong Wang , Kong Aik Lee , Takafumi Koshinaka

For an autonomous corridor following task where the environment is continuously changing, several forms of environmental noise prevent an automated feature extraction procedure from performing reliably. Moreover, in cases where pre-defined…

机器人学 · 计算机科学 2019-11-20 Vishnu Sashank Dorbala , A. H. Abdul Hafez , C. V. Jawahar

A deep learning approach has been widely applied in sequence modeling problems. In terms of automatic speech recognition (ASR), its performance has significantly been improved by increasing large speech corpus and deeper neural network.…

计算与语言 · 计算机科学 2016-12-28 Zewang Zhang , Zheng Sun , Jiaqi Liu , Jingwen Chen , Zhao Huo , Xiao Zhang

We propose a kinematic wave-based Deep Convolutional Neural Network (Deep CNN) to estimate high-resolution traffic speed fields from sparse probe vehicle trajectories. We introduce two key approaches that allow us to incorporate kinematic…

机器学习 · 计算机科学 2022-04-12 Bilal Thonnam Thodi , Zaid Saeed Khan , Saif Eddin Jabari , Monica Menendez

Surface anomaly detection plays an important quality control role in many manufacturing industries to reduce scrap production. Machine-based visual inspections have been utilized in recent years to conduct this task instead of human…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Tareq Tayeh , Sulaiman Aburakhia , Ryan Myers , Abdallah Shami

This paper explores the use of artificial neural networks for the stable and data-driven selection of the frequency parameter in hyperbolic polynomial penalized splines (HP-splines). This parameter defines the underlying spline space and is…

Deep learning has achieved many breakthroughs in modern classification tasks. Numerous architectures have been proposed for different data structures but when it comes to the loss function, the cross-entropy loss is the predominant choice.…

机器学习 · 统计学 2021-12-08 Tianyang Hu , Jun Wang , Wenjia Wang , Zhenguo Li

Time series anomaly detection plays a critical role in automated monitoring systems. Most previous deep learning efforts related to time series anomaly detection were based on recurrent neural networks (RNN). In this paper, we propose a…

机器学习 · 计算机科学 2019-06-03 Tailai Wen , Roy Keyes

Deep convolutional neural networks are known to be unstable during training at high learning rate unless normalization techniques are employed. Normalizing weights or activations allows the use of higher learning rates, resulting in faster…

机器学习 · 计算机科学 2019-12-02 Brendan Ruff , Taylor Beck , Joscha Bach

Convolutional neural networks are sensitive to unknown noisy condition in the test phase and so their performance degrades for the noisy data classification task including noisy speech recognition. In this research, a new convolutional…

音频与语音处理 · 电气工程与系统科学 2020-01-01 Elyas Rashno , Ahmad Akbari , Babak Nasersharif

The solution of nonlinear electromagnetic (EM) inverse scattering problems is typically hindered by several challenges such as ill-posedness, strong nonlinearity, and high computational costs. Recently, deep learning has been demonstrated…

计算物理 · 物理学 2020-01-08 Lianlin Li , Long Gang Wang , Fernando L. Teixeira

Large-scale deep neural networks (DNNs) such as convolutional neural networks (CNNs) have achieved impressive performance in audio classification for their powerful capacity and strong generalization ability. However, when training a DNN…

This paper presents a novel pre-processing scheme to improve the prediction of sand fraction from multiple seismic attributes such as seismic impedance, amplitude and frequency using machine learning and information filtering. The available…

计算工程、金融与科学 · 计算机科学 2015-10-06 Soumi Chaki , Aurobinda Routray , William K. Mohanty

In this paper, we compress convolutional neural network (CNN) weights post-training via transform quantization. Previous CNN quantization techniques tend to ignore the joint statistics of weights and activations, producing sub-optimal CNN…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Sean I. Young , Wang Zhe , David Taubman , Bernd Girod

For the purpose of effective suppression of the cycle-skipping phenomenon in full waveform inversion (FWI), we developed a Deep Neural Network (DNN) approach to predict the absent low-frequency components by exploiting the implicit relation…

地球物理 · 物理学 2019-12-23 Wenyi Hu , Yuchen Jin , Xuqing Wu , Jiefu Chen