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相关论文: Second-Order Time to Collision With Non-Static Acc…

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Time-to-collision (TTC) is a widely used measure for predicting rear-end collisions, assuming constant speed and heading for both vehicles in the prediction horizon. However, this conventional formulation cannot detect sideswipe collisions.…

机器人学 · 计算机科学 2025-08-11 Abhijeet Behera , Sogol Kharrazi , Erik Frisk , Maytheewat Aramrattana

Time-to-contact (TTC), the time for an object to collide with the observer's plane, is a powerful tool for path planning: it is potentially more informative than the depth, velocity, and acceleration of objects in the scene -- even for…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Abhishek Badki , Orazio Gallo , Jan Kautz , Pradeep Sen

Time-to-Contact (TTC) estimation is a critical task for assessing collision risk and is widely used in various driver assistance and autonomous driving systems. The past few decades have witnessed development of related theories and…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Yuheng Shi , Zehao Huang , Yan Yan , Naiyan Wang , Xiaojie Guo

In this paper, we investigate the fixed-time behavioral control problem for a team of second-order nonlinear agents, aiming to achieve a desired formation with collision/obstacle~avoidance. In the proposed approach, the two behaviors(tasks)…

最优化与控制 · 数学 2021-03-12 Ning Zhou , Xiaodong Cheng , Zhongqi Sun , Yuanqing Xia

This paper proposes a new strategy for collision avoidance system leveraging Time-to-Collision (TTC) metrics for handling cut-in scenarios, which are particularly challenging for autonomous vehicles (AVs). By integrating a deep learning…

机器人学 · 计算机科学 2025-11-27 Jamal Raiyn

Motivated by TRACE algorithm [Curtis et al. 2017], we propose a trust region algorithm for finding second order stationary points of a linearly constrained non-convex optimization problem. We show the convergence of the proposed algorithm…

最优化与控制 · 数学 2019-04-16 Maher Nouiehed , Meisam Razaviyayn

This paper presents a new predictive second order sliding controller (PSSC) formulation for setpoint tracking of constrained linear systems. The PSSC scheme is developed by combining the concepts of model predictive control (MPC) and second…

系统与控制 · 计算机科学 2018-02-07 Mohammad Reza Amini , Mahdi Shahbakhti , Jing Sun

Many large-scale machine learning problems involve estimating an unknown parameter $\theta_{i}$ for each of many items. For example, a key problem in sponsored search is to estimate the click through rate (CTR) of each of billions of…

应用统计 · 统计学 2015-11-27 Omkar Muralidharan , Amir Najmi

Gradient-based temporal difference (GTD) algorithms are widely used in off-policy learning scenarios. Among them, the two time-scale TD with gradient correction (TDC) algorithm has been shown to have superior performance. In contrast to…

机器学习 · 计算机科学 2019-09-27 Tengyu Xu , Shaofeng Zou , Yingbin Liang

This article emphasizes on inconsistencies in the dynamical estimates obtained by first-order transverse discontinuity mapping (TDM) and direct numerical observations for hybrid dynamical systems. Pitfalls of locally linearizing hybrid…

混沌动力学 · 物理学 2025-10-21 Rohit Chawla , Aasifa Rounak , Vikram Pakrashi

Predicting a potential collision with leading vehicles is an essential functionality of any autonomous/assisted driving system. One bottleneck of existing vision-based solutions is that their updating rate is limited to the frame rate of…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Jinghang Li , Bangyan Liao , Xiuyuan LU , Peidong Liu , Shaojie Shen , Yi Zhou

Our main objective in this paper is to develop a second-order stochastic numerical method which generalizes the well-known deterministic TR-BDF2 scheme. Since most stochastic techniques used for approximating the solution of a stochastic…

数值分析 · 数学 2026-02-12 Tomás Caraballo , Macarena Gómez-Mármol , Ignacio Roldán

This study presents an efficient, accurate, effective and unconditionally stable time stepping scheme for the Darcy-Brinkman equations in double-diffusive convection. The stabilization within the proposed method uses the idea of stabilizing…

数值分析 · 数学 2018-04-10 Aytekin Çıbık , Medine Demir , Songul Kaya

The out-of-time-order correlator (OTOC) of simple harmonic oscillator with extra anharmonic (quartic) interaction are calculated by the second quantization method. We obtain the analytic formulas of spectrum, Fock space states and matrix…

高能物理 - 理论 · 物理学 2023-12-29 Wung-Hong Huang

A gradual takeover strategy is proposed, in which the dynamic driving privilege assignment in real-time and the driving privilege gradual handover are realized. Firstly, the driving privilege assignment based on the risk level is achieved.…

系统与控制 · 电气工程与系统科学 2020-11-13 Rui Liu , Xichan Zhu , Xuan Zhao , Jian Ma

Trust-region (TR) and adaptive regularization using cubics (ARC) have proven to have some very appealing theoretical properties for non-convex optimization by concurrently computing function value, gradient, and Hessian matrix to obtain the…

机器学习 · 计算机科学 2023-10-19 Liu Liu , Xuanqing Liu , Cho-Jui Hsieh , Dacheng Tao

This paper introduces Test-time Correction (TTC), an online 3D detection system designed to rectify test-time errors using various auxiliary feedback, aiming to enhance the safety of deployed autonomous driving systems. Unlike conventional…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Hanxue Zhang , Zetong Yang , Yanan Sun , Li Chen , Fei Xia , Fatma Güney , Hongyang Li

The contribution of this paper is the application of compound state-triggered constraints (STCs) to real-time quad-rotor path planning. Originally developed for rocket landing applications, STCs are made up of a trigger condition and a…

最优化与控制 · 数学 2019-02-26 Michael Szmuk , Danylo Malyuta , Taylor P. Reynolds , Margaret Skye Mceowen , Behcet Acikmese

This article concerns second-order time discretization of subdiffusion equations with time-dependent diffusion coefficients. High-order differentiability and regularity estimates are established for subdiffusion equations with…

数值分析 · 数学 2020-06-05 Bangti Jin , Buyang Li , Zhi Zhou

This paper considers a two-dimensional persistent monitoring problem by controlling movements of second-order agents to minimize some uncertainty metric associated with targets in a dynamic environment. In contrast to common sensing models…

最优化与控制 · 数学 2019-11-12 Yan-Wu Wang , Ming-Jie Zhao , Wu Yang , Nan Zhou , Christos G. Cassandras
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