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This paper proposes a convolutional neural network (CNN)-based method that learns traffic as images and predicts large-scale, network-wide traffic speed with a high accuracy. Spatiotemporal traffic dynamics are converted to images…

机器学习 · 计算机科学 2017-04-11 Xiaolei Ma , Zhuang Dai , Zhengbing He , Jihui Na , Yong Wang , Yunpeng Wang

Convolutional neural networks (CNNs) have been employed along with Variational Monte Carlo methods for finding the ground state of quantum many-body spin systems with great success. In order to do so, however, a CNN with only linearly many…

量子物理 · 物理学 2022-10-04 Yilong Ju , Shah Saad Alam , Jonathan Minoff , Fabio Anselmi , Han Pu , Ankit Patel

We present Mobile Video Networks (MoViNets), a family of computation and memory efficient video networks that can operate on streaming video for online inference. 3D convolutional neural networks (CNNs) are accurate at video recognition but…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Dan Kondratyuk , Liangzhe Yuan , Yandong Li , Li Zhang , Mingxing Tan , Matthew Brown , Boqing Gong

Particle image velocimetry (PIV) is an effective tool in experimental fluid mechanics to extract flow fields from images. Recently, convolutional neural networks (CNNs) have been used to perform PIV analysis with accuracy on par with…

流体动力学 · 物理学 2021-07-07 Mia Morrell , Kyle Hickmann , Brandon Wilson

Recently, convolutional neural networks (CNNs) have shown great success on the task of monocular depth estimation. A fundamental yet unanswered question is: how CNNs can infer depth from a single image. Toward answering this question, we…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Junjie Hu , Yan Zhang , Takayuki Okatani

Convolutional Neural Networks (CNNs) have been successfully applied for relative camera pose estimation from labeled image-pair data, without requiring any hand-engineered features, camera intrinsic parameters or depth information. The…

机器人学 · 计算机科学 2021-03-29 Prem Raj , Vinay P. Namboodiri , L. Behera

This work presents a novel Convolutional Neural Network (CNN) architecture and a training procedure to enable robust and accurate pose estimation of a noncooperative spacecraft. First, a new CNN architecture is introduced that has scored a…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Tae Ha Park , Sumant Sharma , Simone D'Amico

An approximation model based on convolutional neural networks (CNNs) is proposed for flow field predictions. The CNN is used to predict the velocity and pressure field in unseen flow conditions and geometries given the pixelated shape of…

流体动力学 · 物理学 2019-06-14 Yaser Afshar , Saakaar Bhatnagar , Shaowu Pan , Karthik Duraisamy , Shailendra Kaushik

While many visual ego-motion algorithm variants have been proposed in the past decade, learning based ego-motion estimation methods have seen an increasing attention because of its desirable properties of robustness to image noise and…

计算机视觉与模式识别 · 计算机科学 2019-06-20 Guangyao Zhai , Liang Liu , Linjian Zhang , Yong Liu

Convolution neural network (CNN), as one of the most powerful and popular technologies, has achieved remarkable progress for image and video classification since its invention in 1989. However, with the high definition video-data explosion,…

新兴技术 · 计算机科学 2021-08-04 Yue Jiang , Wenjia Zhang , Fan Yang , Zuyuan He

There is an inherent need for autonomous cars, drones, and other robots to have a notion of how their environment behaves and to anticipate changes in the near future. In this work, we focus on anticipating future appearance given the…

计算机视觉与模式识别 · 计算机科学 2017-07-25 Vedran Vukotić , Silvia-Laura Pintea , Christian Raymond , Guillaume Gravier , Jan Van Gemert

Traditional methods for motion estimation estimate the motion field F between a pair of images as the one that minimizes a predesigned cost function. In this paper, we propose a direct method and train a Convolutional Neural Network (CNN)…

计算机视觉与模式识别 · 计算机科学 2016-01-25 Aria Ahmadi , Ioannis Patras

Moving object Detection (MOD) is a critical task in autonomous driving as moving agents around the ego-vehicle need to be accurately detected for safe trajectory planning. It also enables appearance agnostic detection of objects based on…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Hazem Rashed , Ahmad El Sallab , Senthil Yogamani

We conduct an in-depth exploration of different strategies for doing event detection in videos using convolutional neural networks (CNNs) trained for image classification. We study different ways of performing spatial and temporal pooling,…

计算机视觉与模式识别 · 计算机科学 2015-05-11 Shengxin Zha , Florian Luisier , Walter Andrews , Nitish Srivastava , Ruslan Salakhutdinov

Accurate real-time pose estimation of spacecraft or object in space is a key capability necessary for on-orbit spacecraft servicing and assembly tasks. Pose estimation of objects in space is more challenging than for objects on Earth due to…

计算机视觉与模式识别 · 计算机科学 2020-02-20 Shubham Sonawani , Ryan Alimo , Renaud Detry , Daniel Jeong , Andrew Hess , Heni Ben Amor

We introduce a convolutional neural network model for unsupervised learning of depth and ego-motion from cylindrical panoramic video. Panoramic depth estimation is an important technology for applications such as virtual reality, 3D…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Alisha Sharma , Jonathan Ventura

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

Achieving robust multi-person 2D body landmark localization and pose estimation is essential for human behavior and interaction understanding as encountered for instance in HRI settings. Accurate methods have been proposed recently, but…

计算机视觉与模式识别 · 计算机科学 2019-12-03 Angel Martínez-González , Michael Villamizar , Olivier Canévet , Jean-Marc Odobez

Nano-sized unmanned aerial vehicles (UAVs) are ideal candidates for flying Internet-of-Things smart sensors to collect information in narrow spaces. This requires ultra-fast navigation under very tight memory/computation constraints. The…

图像与视频处理 · 电气工程与系统科学 2024-07-18 Lorenzo Lamberti , Lorenzo Bellone , Luka Macan , Enrico Natalizio , Francesco Conti , Daniele Palossi , Luca Benini

Unmanned Aerial Vehicles (drones) are emerging as a promising technology for both environmental and infrastructure monitoring, with broad use in a plethora of applications. Many such applications require the use of computer vision…

计算机视觉与模式识别 · 计算机科学 2018-07-19 Christos Kyrkou , George Plastiras , Stylianos Venieris , Theocharis Theocharides , Christos-Savvas Bouganis