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Deep Convolutional Neural Networks (DCNN) have been proven to be effective for various computer vision problems. In this work, we demonstrate its effectiveness on a continuous object orientation estimation task, which requires prediction of…

计算机视觉与模式识别 · 计算机科学 2017-02-07 Kota Hara , Raviteja Vemulapalli , Rama Chellappa

Place recognition is one of the most challenging problems in computer vision, and has become a key part in mobile robotics and autonomous driving applications for performing loop closure in visual SLAM systems. Moreover, the difficulty of…

计算机视觉与模式识别 · 计算机科学 2015-05-28 Ruben Gomez-Ojeda , Manuel Lopez-Antequera , Nicolai Petkov , Javier Gonzalez-Jimenez

Different neural network (NN) architectures have different advantages. Convolutional neural networks (CNNs) achieved enormous success in computer vision, while recurrent neural networks (RNNs) gained popularity in speech recognition. It is…

信号处理 · 电气工程与系统科学 2019-07-18 Ziyu Ye , Andrew Gilman , Qihang Peng , Kelly Levick , Pamela Cosman , Larry Milstein

In this work, we investigate the value of employing deep learning for the task of wireless signal modulation recognition. Recently in [1], a framework has been introduced by generating a dataset using GNU radio that mimics the imperfections…

机器学习 · 计算机科学 2018-01-08 Xiaoyu Liu , Diyu Yang , Aly El Gamal

Learning to reason about relations and dynamics over multiple interacting objects is a challenging topic in machine learning. The challenges mainly stem from that the interacting systems are exponentially-compositional, symmetrical, and…

机器学习 · 计算机科学 2022-03-15 Wenbing Huang , Jiaqi Han , Yu Rong , Tingyang Xu , Fuchun Sun , Junzhou Huang

Equivariant neural networks (ENNs) are graph neural networks embedded in $\mathbb{R}^3$ and are well suited for predicting molecular properties. The ENN library e3nn has customizable convolutions, which can be designed to depend only on…

机器学习 · 计算机科学 2020-11-25 Benjamin Kurt Miller , Mario Geiger , Tess E. Smidt , Frank Noé

The millimeter-wave (mm-wave) radio-over-fiber (RoF) systems have been widely studied as promising solutions to deliver high-speed wireless signals to end users, and neural networks have been studied to solve various linear and nonlinear…

信号处理 · 电气工程与系统科学 2020-01-08 Jeonghun Lee , Jiayuan He , Yitong Wang , Chengwei Fang , Ke Wang

Automatic learning algorithms for improving the image quality of diagnostic B-mode ultrasound (US) images have been gaining popularity in the recent past. In this work, a novel convolutional neural network (CNN) is trained using time of…

信号处理 · 电气工程与系统科学 2021-08-18 Roshan P Mathews , Mahesh Raveendranatha Panicker

Convolutional neural networks (CNNs) have become widely adopted in gravitational wave (GW) detection pipelines due to their ability to automatically learn hierarchical features from raw strain data. However, the physical meaning of these…

机器学习 · 计算机科学 2025-10-28 Jun Tian , He Wang , Jibo He , Yu Pan , Shuo Cao , Qingquan Jiang

With the development of autonomous driving technology, automotive radar has received unprecedented attention due to its day-and-night and all-weather working capability. It is worthwhile to note that more and more vehicles are equipped with…

信号处理 · 电气工程与系统科学 2023-07-11 Yanbing Li , Weichuan Zhang , Lianying Ji

One of the most important parts of environment perception is the detection of obstacles in the surrounding of the vehicle. To achieve that, several sensors like radars, LiDARs and cameras are installed in autonomous vehicles. The produced…

计算机视觉与模式识别 · 计算机科学 2017-09-12 Florian Piewak

In this paper, we propose a novel method for frequency modulated continuous wave (FMCW) radar mutual interference mitigation (IM) based on the discrete fractional Fourier transform (DFrFT). Interference chirps are detected and mitigated by…

信号处理 · 电气工程与系统科学 2026-04-30 Christian Oswald , Franz Pernkopf

Most existing neural networks for learning graphs address permutation invariance by conceiving of the network as a message passing scheme, where each node sums the feature vectors coming from its neighbors. We argue that this imposes a…

机器学习 · 计算机科学 2018-01-09 Risi Kondor , Hy Truong Son , Horace Pan , Brandon Anderson , Shubhendu Trivedi

Recent studies have shown that Convolutional Neural Networks (CNNs) are vulnerable to a small perturbation of input called "adversarial examples". In this work, we propose a new feedforward CNN that improves robustness in the presence of…

机器学习 · 计算机科学 2016-02-26 Jonghoon Jin , Aysegul Dundar , Eugenio Culurciello

CoVariance Neural Networks (VNNs) perform convolutions on the graph determined by the covariance matrix of the data, which enables expressive and stable covariance-based learning. However, covariance matrices are typically dense, fail to…

机器学习 · 计算机科学 2026-01-21 Andrea Cavallo , Samuel Rey , Antonio G. Marques , Elvin Isufi

Convolutional neural network (CNN) delivers impressive achievements in computer vision and machine learning field. However, CNN incurs high computational complexity, especially for vision quality applications because of large image…

图像与视频处理 · 电气工程与系统科学 2019-08-07 Wei-Ting Wang , Han-Lin Li , Wei-Shiang Lin , Cheng-Ming Chiang , Yi-Min Tsai

Next-generation wireless networks must support ultra-reliable, low-latency communication and intelligently manage a massive number of Internet of Things (IoT) devices in real-time, within a highly dynamic environment. This need for…

信息论 · 计算机科学 2019-07-02 Mingzhe Chen , Ursula Challita , Walid Saad , Changchuan Yin , Mérouane Debbah

Non-invasive subsurface imaging using full waveform inversion (FWI) has the potential to fundamentally change engineering site characterization by enabling the recovery of high resolution 2D/3D maps of subsurface stiffness. Yet, the…

地球物理 · 物理学 2022-06-01 Joseph P. Vantassel , Krishna Kumar , Brady R. Cox

This paper investigates the problem of classification of unmanned aerial vehicles (UAVs) from radio frequency (RF) fingerprints at the low signal-to-noise ratio (SNR) regime. We use convolutional neural networks (CNNs) trained with both RF…

信号处理 · 电气工程与系统科学 2020-09-22 Ender Ozturk , Fatih Erden , Ismail Guvenc

The adaptability of the convolutional neural network (CNN) technique for aerodynamic meta-modeling tasks is probed in this work. The primary objective is to develop suitable CNN architecture for variable flow conditions and object geometry,…

机器学习 · 统计学 2018-01-18 Yao Zhang , Woong-Je Sung , Dimitri Mavris