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This paper proposes an efficient unsupervised method for detecting relevant changes between two temporally different images of the same scene. A convolutional neural network (CNN) for semantic segmentation is implemented to extract…

神经与进化计算 · 计算机科学 2019-03-22 Kevin Louis de Jong , Anna Sergeevna Bosman

Unscented Kalman Filters (UKFs) have become popular in the research community. Most UKFs work only with Euclidean systems, but in many scenarios it is advantageous to consider systems with state-variables taking values on Riemannian…

最优化与控制 · 数学 2018-06-29 Henrique M. T. Menegaz , João Y. Ishihara , Hugo T. M. Kussaba

Energy efficiency and reliability have long been crucial factors for ensuring cost-effective and safe missions in autonomous systems computers. With the rapid evolution of industries such as space robotics and advanced air mobility, the…

机器学习 · 计算机科学 2023-07-18 Reza Ahmadvand , Sarah Safura Sharif , Yaser Mike Banad

Accurate estimation of power system dynamics is very important for the enhancement of power system reliability, resilience, security, and stability of power system. With the increasing integration of inverter-based distributed energy…

系统与控制 · 电气工程与系统科学 2020-12-14 Narayan Bhusal , Mukesh Gautam

Convolutional Neural Networks (CNN) have been successfully applied to autonomous driving tasks, many in an end-to-end manner. Previous end-to-end steering control methods take an image or an image sequence as the input and directly predict…

计算机视觉与模式识别 · 计算机科学 2018-02-06 Zhengyuan Yang , Yixuan Zhang , Jerry Yu , Junjie Cai , Jiebo Luo

The input-parameter-state estimation capabilities of a novel unscented Kalman filter is examined herein on both linear and nonlinear systems. The unknown input is estimated in two stages within each time step. Firstly, the predicted dynamic…

信号处理 · 电气工程与系统科学 2025-11-05 Marios Impraimakis , Andrew W. Smyth

In machine learning for fluid mechanics, fully-connected neural network (FNN) only uses the local features for modelling, while the convolutional neural network (CNN) cannot be applied to data on structured/unstructured mesh. In order to…

流体动力学 · 物理学 2021-01-14 Mengfei Xu , Shufang Song , Xuxiang Sun , Weiwei Zhang

Kalman filtering can provide an optimal estimation of the system state from noisy observation data. This algorithm's performance depends on the accuracy of system modeling and noise statistical characteristics, which are usually challenging…

系统与控制 · 电气工程与系统科学 2025-04-18 Xun Xiao , Junbo Tie , Jinyue Zhao , Ziqi Wang , Yuan Li , Qiang Dou , Lei Wang

We demonstrate sequential mass inference of a suspended bag of milk powder from simulated measurements of the vertical force component at the pivot while the bag is being filled. We compare the predictions of various sequential inference…

数据分析、统计与概率 · 物理学 2015-04-24 A. D. Martin , T. C. A. Molteno

Segmenting a moving needle in ultrasound images is challenging due to the presence of artifacts, noise, and needle occlusion. This task becomes even more demanding in scenarios where data availability is limited. In this paper, we present a…

图像与视频处理 · 电气工程与系统科学 2025-09-30 Raghavv Goel , Cecilia Morales , Manpreet Singh , Artur Dubrawski , John Galeotti , Howie Choset

The Gaussian process state-space models (GPSSMs) represent a versatile class of data-driven nonlinear dynamical system models. However, the presence of numerous latent variables in GPSSM incurs unresolved issues for existing variational…

机器学习 · 计算机科学 2024-07-23 Zhidi Lin , Yiyong Sun , Feng Yin , Alexandre Hoang Thiéry

Attitude estimation for small, low-cost unmanned aerial vehicles is often achieved using a relatively simple complementary filter that combines onboard accelerometers, gyroscopes, and magnetometer sensing. This paper explores the limits of…

最优化与控制 · 数学 2016-02-26 Harris Teague

With the rapid development of deep learning, a variety of change detection methods based on deep learning have emerged in recent years. However, these methods usually require a large number of training samples to train the network model, so…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Weidong Yan , Pei Yan , Li Cao

This paper investigates the state estimation problem for unknown linear systems subject to both process and measurement noise. Based on a prior input-output trajectory sampled at a higher frequency and a prior state trajectory sampled at a…

系统与控制 · 电气工程与系统科学 2025-01-23 Peihu Duan , Tao Liu , Yu Xing , Karl Henrik Johansson

Most of current Convolution Neural Network (CNN) based methods for optical flow estimation focus on learning optical flow on synthetic datasets with groundtruth, which is not practical. In this paper, we propose an unsupervised optical flow…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Shuosen Guan , Haoxin Li , Wei-Shi Zheng

Statistical signal processing based speech enhancement methods adopt expert knowledge to design the statistical models and linear filters, which is complementary to the deep neural network (DNN) based methods which are data-driven. In this…

音频与语音处理 · 电气工程与系统科学 2021-04-19 Wei Xue , Gang Quan , Chao Zhang , Guohong Ding , Xiaodong He , Bowen Zhou

Supervised learning of convolutional neural networks (CNNs) can require very large amounts of labeled data. Labeling thousands or millions of training examples can be extremely time consuming and costly. One direction towards addressing…

计算机视觉与模式识别 · 计算机科学 2017-07-27 Amir Ghaderi , Vassilis Athitsos

Convolutional neural networks (CNNs) have recently been applied to predict or model fluid dynamics. However, mechanisms of CNNs for learning fluid dynamics are still not well understood, while such understanding is highly necessary to…

流体动力学 · 物理学 2021-04-06 Sangseung Lee , Donghyun You

This study proposes a fully automated approach for the left atrial segmentation from routine cine long-axis cardiac magnetic resonance image sequences using deep convolutional neural networks and Bayesian filtering. The proposed approach…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Xiaoran Zhang , Michelle Noga , David Glynn Martin , Kumaradevan Punithakumar

Nonlinear Kalman Filters are powerful and widely-used techniques when trying to estimate the hidden state of a stochastic nonlinear dynamic system. In this paper, we extend the Smart Sampling Kalman Filter (S2KF) with a new point symmetric…

系统与控制 · 计算机科学 2015-06-11 Jannik Steinbring , Martin Pander , Uwe D. Hanebeck